 目录摘要
1.16种挥发性有害有机物混合标准气体研制
谭和平， 孙登峰， 方 正， 马 天
（中国测试技术研究院，四川 成都 610021）
摘 要：采用称量法配制了异丁烷、二氯甲烷、苯等16种室内挥发性有害有机物的混合标准气体，各物质浓度为1ppm，平衡气为氮气。标准气体采用天平称量定值，通过实验室内和实验室间气相色谱法比对分析考察其配制准确性，并通过各物质浓度随时间及瓶内压力的变化考察了其浓度的均匀性和稳定性。结果表明我们研制生产的室内挥发性有害有机物混合标准气体量值准确，均匀性、稳定性好，各项技术指标满足国家对二级标准物质的要求。
关键词：重量法；混合标准气体；定值；均匀性；稳定性
中图分类号：TB99 文献标识码：A 文章编号：1672-4984（2007）01-0001-04
Preparation of 16 hazardous VOCs standard mixture
TAN He-ping， SUN Deng-feng， FANG Zheng， MA Tian
（National Institute of Measurement and Testing Technology，Chengdu 610021，China）
Abstract:1ppm Hazardous VOCs standard mixture containing 16 compounds such as i-butane，dichloromethane，benzene，etc.in UHP nitrogen was prepared by gravimetric method. The results of GC analysis and the compare among these results of few laboratories were used to confirm the accuracy of the gravimetric preparation.Relationships between time or pressure and uniformity or stability were also investigated. Thess results indicated that concentrations of those mixture compounds in cylinder are accuracy，uniform and stable，which can fulfill requirements of Warrant Reference Materials（WRM） absolutely.
Key words：Gravimetric method；Standard mixture；Concentration analysis；Uniformity；Stability
2.全球定位系统及其应用综述（三）——GPS的应用
刘美生
（中国测试技术研究院，四川 成都 610021）
摘 要：着重研讨了GPS在军事、地球物理和大地测量、航空航天及空间技术、工程测试、交通运输及工农业生产中广泛的创新的应用情况，客观地总结了GPS是具有重要战略意义和较高实用价值的系统工程，是继移动通讯和互联网后的第三大高新应用技术，它将在国防建设、国民经济及现代社会中发挥极其重要的作用。
关键词：GPS；全球定位系统；高新技术；应用；定位；导航；授时；发展
中图分类号：P228.4 文献标识码：A 文章编号：1672-4984（2007）01-0005-07
Global positioning system and discussion on its use（3）
——application of GPS
LIU Mei-sheng
（National Institute of Measurement and Testing Technology， Chengdu 610021，China）
Abstract: This paper discussed emphatically the extensive innovatory applications of GPS in military affairs，geophysics and geodesy，aviation aerospace， space technique， engineering-testing， traffic-transportation， industry and agriculture， summarized objectively in conclusion that GPS is a system-engineering with important strategic-significance and great useful-worth. It is third grand new applied-technology after the mobile communication and the internet. GPS will play ever more important function in national defence，national economy development and society of today field.
Key words: GPS；Global positioning system；New technology；Application；Positioning；Navigation；Give-time；Development
3.基于虚拟仪器的圆度仪的研究
王 勇， 秦树人， 王 见， 程丽君
（重庆大学测试中心，重庆 400044）
摘 要：在总结国内外圆度检测技术的发展及研究现状的基础上，提出了基于虚拟仪器采用CCD摄像方式来获取机械零件圆度检测信息的方法。对采集到的零件图片进行图像处理，得到零件的圆度特征信息，从而精确快速的检测出零件圆度误差和相关几何尺寸和形位公差，通过与标准件或设计要求的比较，判断出被测零件的圆度是否合格。实验表明本虚拟圆度仪，非接触测量，速度快，准确度高。
关键词：虚拟仪器；圆度；CCD；边缘检测；亚像素
中图分类号：TH821 文献标识码：A 文章编号：1672-4984（2007）01-0012-03
Inspection on roundness instrument based on virtual instrument
WANG Yong， QIN Shu-ren， WANG Jian， CHENG Li-jun
（Test Center，Chongqing University，Chongqing 400044，China）
Abstract:Following a brief review on the advance of national and international roundness inspection technique，the inspection technique of obtaining roundness of mechanical parts is proposed，which is based on virtual instrument and Charge-Coupled Devices（CCD）.By roundness image processing，the characteristic information of round parts can be got.Thus we can precisely and swiftly test the roundness error and correlative geometry dimension and shape error of the parts.Through the comparison to the standard objects or design demands，we can estimate whether the part is qualified. Experiments show that the virtual instrument of roundness measurement is non-contact measurement instrument and is of fast speed and high precision.
Key words: Virtual instrument；Roundness；CCD；Edge detect；Sub-pixel
4.折光率法测定四氢呋喃溶液的组成
周锡堂1，2，3, 樊栓狮1, 梁德青1
（1.中国科学院广州能源研究所，广东 广州 510640；2.中国科学院研究生院，北京 100049；
3.茂名学院化工学院，广东 茂名 525000）
摘 要：应用阿贝折射仪测量THF（四氢呋喃）溶液的折光率，以此确定THF溶液的组成。实验研究表明，测试数据与文献值吻合良好；THF与水、乙醇及甲醇的两组分溶液折光率与组成之间有很好的规律性，前者可以用抛物线关系式描述，后两者可以用线性关系式描述，其相关系数R在0.99以上，标准偏差SD在0.0015以下，完全适合用于相关溶液组成的测定。
关键词：阿贝折射仪；折光率；THF溶液；组成
中图分类号：TQ014 文献标识码：A 文章编号：1672-4984（2007）01-0015-03
Determination of composition of THF solutions by using refractive index
ZHOU Xi-tang1，2，3， FAN Shuan-shi1， LIANG De-qing1
（1.Guangzhou Institute of Energy Conversion，Chinese Academy of Science，Guangzhou 510641，China；
2.Graduate School of Chinese Academy of Sciences，Beijing 100049，China；
3.School of Chemical Engineering，Maoming University，Maoming 525000，China）
Abstract: This paper introduced a method with which the compositions of THF solutions can be determined by measuring their refractive indexes. It has been showed by experiment that there are excellent principles between the refractive indexes of THF solutions and their compositions. The relation between refractive indexes of THF aqueous solution and its compositions can be expressed as a parabola line，and those of THF-C2H5OH，THF-CH3OH solutions and their compositions can expressed as straight lines，with R not smaller than 0.99 and SD not bigger than 0.015，which can be used to determine the compositions of several solutions.
Key words：Abbe refractor；Refractive index；THF Solution；Composition
4.新型动态汽车衡称重系统的设计与实现
马海平， 李晓林
（太原理工大学信息工程学院，山西 太原 030024）
摘 要：针对目前现有动态汽车衡称重误差大等问题，提出了一种新型动态汽车衡称重系统的实现方法，该称重系统在基于Intel x86硬件平台和linux操作系统的基础上设计实现的。同时分析了产生称重误差的根本原因，采用了数字信号处理手段来提高动态汽车衡的称重精度。现场测试数据分析表明，该新型动态汽车衡称重系统技术指标优于国家动态衡标准。
关键词：动态汽车衡；称重；数据处理；嵌入式系统；精度
中图分类号：TP216 文献标识码：A 文章编号：1672-4984（2007）01-0018-02
Design and realization of a new dynamic vehicle weighting system
MA Hai-ping，LI Xiao-lin
（Collage of Information Engineering，Taiyuan University of Technology，Taiyuan 030024，China）
Abstract:This paper discussed the large weighting error of dynamic vehicle weighting system and put forward a realization of a new dynamic vehicle weighting system.It was based on intel x86 hardware platform and linux operating system.The main weighting error sources were also discussed and weighting accuracy was improved by the digital signal processing.Analysis of the testing data indicates that its technical criterion comes up to the national standard of dynamic weighting.
Key words:Dynamic vehicle weighbridge；Weighting；Data processing；Embedded system；Accuracy
5.机械振动台的振级控制系统
施乐平1， 张澎涛2， 韩忠杰1
（1.陕西省计量科学研究院，陕西 西安710048；2.中国船舶重工集团第705所，陕西 西安 710075）
摘 要：机械振动台具有承载能力大、价格便宜等诸多优点，但受到工作原理的束缚，国内外迄今只能在较窄的范围内作恒位移扫频试验。本文给出了一种控制重块离心力的方案，在扫频过程中连续改变重块的偏心距，并通过工业控制计算机的快速采样、数据处理，以及采用智能控制算法等新技术，成功地实现了在较宽频率范围的恒加速度扫频控制，以及恒位移／恒加速度的无扰交越切换，大大扩展了机械振动台的使用领域。
关键词：机械振动台；扫频试验；振级控制；恒位移；恒加速度
中图分类号：TH825 文献标识码：A 文章编号：1672-4984（2007）01-0020-03
Vibration-level Control System of Mechanical Vibrator
SHI Le-ping1， ZHANG Peng-tao2， HAN Zhong-jie1
（1.Shanxi Institute of Metrology，Xi'an 710048，China；2.The 705th Research Institute，CSIC，Xi'an 710075，China）
Abstract: The mechanical vibrator can only perform test under constant displacement and narrow ranges of frequencies until now.This paper introduced a continuous control method of slip block position，which was able to get different centrifugal pull by adjusting the block position during frequency scanning.Tests shown that control of constant acceleration is successful in a wide range of frequencies scanning by use of fast sampling，data processing and intelligent control algorithm.This method has wide applications in mechanical vibrator.
Key words: Mechanical vibrator；Frequency scanning test；Vibration-level control；Constant displacement；Constant acceleration
6.统计过程控制在无人机故障预报系统中的应用
王 飞1, 李保华1，2, 冯 伟2, 章 玮3
（1.中国人民解放军96621部队，北京 100085； 2.北京航空航天大学，北京 100083；
3.江西应用技术职业学院，江西 赣州 341000）
摘 要：无人机故障预报是无人机故障检测的重要组成部分之一，它能有效地减小无人机的故障发生率。利用统计过程控制（SPC）理论，从数理统计的角度对某无人机的测试数据进行分析，并根据常见的五种故障数据，设计了一套无人机故障预报系统，同时给出了系统的工作原理和具体的实现过程。本系统有助于技术人员发现无人机的潜在故障并判断检测设备是否虚警，具有良好的使用性能和价值。
关键词：无人机；测试数据；统计过程控制；数理统计；故障数据；故障预报
中图分类号：TP277 文献标识码：A 文章编号：1672-4984（2007）01-0023-03
Application of the statistical process control in UAV fault prediction system
WANG Fei1， LI Bao-hua1，2， FENG Wei2， ZHANG Wei3
（1.PLA 96621 Unit，Beijing 100085，China；2.Beijing University of Aeronautics and Astronautics，Beijing 100083,China；
3.Jiangxi College of Applied Technology，Ganzhou 341000，China）
Abstract: UAV fault prediction，an important part of unmanned aerial vehicle (UAV) fault detection，is effective in reducing the malfunction occurrence rate of UAV. In this paper，the test data of UAV was analyzed by using math-ematical statistics based on the theory of statistical process control. The fault prediction system was designed and its working principle and working process were described by analyzing the five kinds of fault data commonly oc-curred. This system would be valuable and helpful for technicians to find the potential faults of UAV and to tell the real alarms from the false ones. The system has satisfactory capability and value.
Key words：UAV；Measuring data；Statistical process control；Mathematic statistics；Fault data；Fault prediction
7.某型气体露点自动测试仪应急使用研究
卢洪义， 韩庆田， 史 佩， 于胜春
（海军航空工程学院飞行器工程系，山东 烟台264001）
摘 要：根据气体露点自动测试仪的原理，提出该仪器在发生故障后不能立即修复并且紧急需要的情况下，不经维修继续使用的应急使用措施。提出了气体露点温度的测量方法和气体降露时刻的观测方法，分析了测量方法的科学性，给出了实验分析和实际使用步骤。该措施具有较强的实用性、推广性。
关键词：故障；维修；露点；应急使用；测试
中图分类号：TP277 文献标识码：A 文章编号：1672-4984（2007）01-0026-03
Study of emergency using measures for a type of air dew point auto-test equipment
LU Hong-yi， HAN Qing-tian， SHI Pei， YU Sheng-chun
（Aircraft Department of Naval Aeronautiical Engineering Academy，Yantai 264001，China）
Abstract:Because of limited maintenance conditions of the field，auto-test equipment can not be maintained in time.In this paper，maintenance measures were analyzed and based on the working principles of the air dew point auto-test equipment，the emergency using measures were presented under the situation when the failure equipment in urgency need.The measurements of the air dew point and the observation methods of the dropping air dew point were given.The scientificity of the measure methods was analyzed and the experimental and actual using steps were also presented.
Key words:Failure；Maintenance；Dew point；Emergency use；Test
8.室内空气中VOC现场快速检测方法研究
马 天1， 方 正1， 关 胜2， 但德忠3， 谭和平1
（1.中国测试技术研究院，四川 成都 610021；2.天津经济技术开发区环境保护局，天津300457；
3.四川大学环境科学与工程学院，四川 成都 610065）
摘 要：对基于PID原理的VOC快速检测仪测定室内空气中总挥发性有机物进行了深入的研究，探讨了快检仪测定VOCs的特点和优势。分别采用已知组分的VOC标准气体和现场采样分析，对两种VOC测定方法的测定结果进行了比较研究，得出比值R的范围，提出VOCs表观浓度的概念，对进一步研究两种方法的可比性提供了可靠的依据。
关键词：TVOC；VOC快检仪；PID；国家标准方法；采样；VOC表观浓度；比对
中图分类号：X821 文献标识码：A 文章编号：1672-4984（2007）01-0029-05
Study on method of quick determination of indoor VOC using VOC detector
MA Tian1， FANG Zheng1， GUAN Sheng2， DAN De-zhong3， TAN He-ping1
（1.National Institute of Measurement and Testing Technology，Chengdu 610021，China；
2.Tianjin Economic-Technological Development Area Environmental Protection Bureau，Tianjin 300457，China；
3.Department of Environmental Science and Engineering，Sichuan University，Chengdu 610065，China）
Abstract:The authors studied the method of using VOC detector determining total volatile organic gases in indoor air，discussed the characteristics and strong points of VOC detector.Applying both VOC standard gases and sampling air，they compared and contrasted the VOC results from detector and national standard method，and got the ratio “R”.They also suggest the notion of VOCs ostensible concentration.The study is believed to have excellent value in furthering relative researches.
Key words:TVOC；VOC detector；PID；National standard method；Sampling；VOC ostensible concentration；Comparison
9.电路板TPS验证与评估方法研究
王成刚， 周晓东， 阎松涛， 郭 明
（海军航空工程学院 控制工程系，山东 烟台 264001）
摘 要：用TPS对电路板进行自动测试、对电路板进行故障检测和修理，是提高新装备维修保障能力的关键。首先结合TPS评估与验收的需求，给出了电路板TPS验证的主要内容；然后介绍了基于故障注入的电路板TPS验证评估方法；在物理模拟故障注入样本集的充分性验证中，利用了基于多信号模型的测试模型建模方法，提高了验证准确性和效率。
关键词：测试程序集；故障注入；样本集；评估；验证
中图分类号：TP274+.2 文献标识码：A 文章编号：1672-4984（2007）01-0034-03
Study on the testability evaluation methods for PCB test program sets（TPS）
WANG Cheng-gang， ZHOU Xiao-dong， YAN Song-tao， GUO Ming
（Department of Control Engineering，Naval Aeronautical Engineering Academy，Yantai 264001，China）
Abstract: TPS (Test Program Sets) can be used in fault detection and maintenance of PCB. It is critical to the enhancement of maintainability of new equipment. Firstly the authors presented the main aspects of testability evaluation of TPS. Then，TPS testability evaluation methods based on fault injection were introduced. Finally，in the course of adequacy verification of test cover for the sample set of fault injection in physical simulation，the authors brought forward a testability modeling method based on multi-signal modeling methodology，which can achieve higher accuracy and efficiency.
Key words: TPS；Fault injection；Sample set；Evaluation；Verification
10.转动惯量测量系统的研制
任 培， 袁中凡
（四川大学制造科学与工程学院，四川 成都 610065）
摘 要：介绍了一种新的利用三线摆测量转动惯量的系统及方法，该方法采用传感器和数据采集装置采集计算转动惯量所需的周期信号和力信号；并通过开发出专门的软件，最终计算出待测物体的转动惯量。该方法将机械装置与电子部件和计算机相结合，与原有的传统测量方法相比，避免了手动操作和人工计算，方便实用，能够对大型刚体进行测量；整个过程趋于自动化，提高了测量精度和效率。
关键词：三线摆；转动惯量；传感器；采样；软件
中图分类号：TP271+.4 文献标识码：A 文章编号：1672-4984（2007）01-0037-03
Development moment of inertia measuring system
REN Pei， YUAN Zhong-fan
（College of Manufacturing Science and Engineering，Sichuan University，Chengdu 610065，China）
Abstract:This paper introduced a new three-line pendulum system and method to measure moment of inertia.In this system，sensors and data collecting equipment were used to collect periodic signal and force signal，while special software was developed to calculate the moment of inertia.This method combined mechanical equipment with electronic and computer.Compared with existing method，this one avoids manual operation and calculation and is practical and convenient.It can be used to measure good-sized rigid body.The whole process tends to be automatic with improvement in precision and efficiency.
Key words：Three-line pendulum；Moment of inertia；Sensor；Sample；Software
11.实时频谱分析仪中CCDF测量功能的实现
张 瓅， 秦开宇
（电子科技大学， 四川 成都 610054）
摘 要：实时频谱分析仪可以对通信信号进行实时测试，符合现代通信分析仪的发展趋势。CCDF测量是实时频谱分析仪的关键技术之一，对于测量多载波信号非常有用。它普遍应用在2G和3G无线信号测量上。本文介绍了实时频谱分析仪的总体框架，重点阐述了CCDF测量功能的原理和处理流程。并以OFDM系统(正交频分复用)为应用背景验证了这种算法的有效性。
关键词：CCDF；OFDM；实时频谱分析仪；PAPR；多载波信号
中图分类号：TM935.21 文献标识码：A 文章编号：1672-4984（2007）01-0040-03
The implement of CCDF in real-time spectrum analyzer
ZHANG Li， QIN Kai-yu
（University of Electronic Science and Technology，Chengdu 610054，China）
Abstract:Real-time spectrum analyzer can real-timely measure the communication signals. CCDF, which can measure multi-carrier signals very effectively, is one of the important technologies of real-time spectrum analyzer. What's more, it is widely applied to the wireless signal measurement in 2G and 3G. This paper introduced the main software frame of real-time spectrum analyzer, and it focuses on the principle and processing flow of CCDF. The computer simulation，which bases on the background of OFDM, demonstrates the effectivity of CCDF.
Key words:CCDF；OFDM；Real-time spectrum analyzer；PAPR；Multi-carrier signals
12.一种便携式桥梁挠度检测复用系统的研制
罗文成， 林建辉
（西南交通大学牵引动力国家重点实验室，四川 成都 610031）
摘 要：针对桥梁挠度检测的特点，提出了一种基于嵌入式仪器技术的可以采用两种传感器件采集不同信号实现复用桥梁挠度检测系统的实现方案。介绍了系统传感器的选型原则和所选择信号采集器件的特性，以高速ARM9芯片为核心实现了硬件电路设计。并具体介绍了最小平方卷积反演对挠度信号进行恢复的数据算法原理和其快速嵌入式程序软件的实现。
关键词：挠度检测；嵌入式系统；信号恢复；最小平方卷积反演；惯性基准
中图分类号：TP216 文献标识码：A 文章编号：1672-4984（2007）01-0043-03
A kind of measurement multi-system for deflection of bridge
LUO Wen-cheng， LIN Jian-hui
(National Traction Power Laboratory，Southwest Jiaotong University，Chengdu 610031，China)
Abstract:This paper gave a kind of embedded test multi-system design which can measure the dynamic and static deflection of bridge conveniently.The least square deconvolution algorithm principle and its application in this system software were both introduced.The embedded hardware design which base on the high speed ARM core device and the selection of key system components were also presented.
Key words:Deflection measurement；Embedded system；Signal recovery；Least square deconvolution algorithm；Inertial base
13.多根光纤衰减变化自动监测的实现
张文才
（中国电子科技集团公司第二十三研究所，上海 200400）
摘 要：针对光纤衰减变化常用的后向散射监测法和传输功率监测法存在的不足，提出了一种自动监测多根光纤衰减变化的方法。首先将多根光纤串联焊接，再利用计算机所编制的软件，控制光时域反射仪（OTDR）对所焊接的光纤串上的每根光纤逐段进行测试，从而实现对多根光纤的衰减变化的自动测试。该方法成本低廉，测试精度和工作效率大为提高。
关键词：编程；串联；焊接；程控；自动测试
中图分类号：TP216 文献标识码：A 文章编号：1672-4984（2007）01-0046-03
The way to supervise and measure automatically the change of attenuation of multi-optic fibers
ZHANG Wen-cai
（China Electronics Technology Group Corporation No.23 Research Institute，Shanghai 200400，China）
Abstract: This paper presented a way to supervise and measure automatically the change of the attenuation of multi-optic fibers. The author welded the multi-optic fibers in series，and controlled the OTDR by computer program. So it is possible to supervise and measure automatically the change of the attenuation of the multi-optic fibers. The cost of method is two penny，measurement precision and work efficiancy are too higher.
Key words: Computer program；In series；Weld；Remote control；Automatic measurement
14.多信号流图的测试性建模与分析
刘海明， 易晓山
（国防科技大学机电工程与自动化学院，湖南 长沙 410073）
摘 要：随着测试性设计技术的广泛应用，测试性建模与分析技术日益受到产品设计人员的关注。本文介绍了多信号流图建模方法，并以某飞行器配电器为例，运用多信号流图进行建模分析。在模型分析的基础上，对某飞行器配电器的可测试性进行评价。结果表明，多信号流图测试性建模方法在产品的可测试性设计应用中可行、有效。
关键词：多信号流图；可测试性；配电器；建模；分析
中图分类号：TP273 文献标识码：A 文章编号：1672-4984（2007）01-0049-02
Analyses and modeling of testability based on multi-signal flow graphs
LIU Hai-ming， YI Xiao-shan
（College of Mechatronics Engineering and Automation，National University of Defense Technology，Changsha 410073，China）
Abstract：The testability modeling and analysis technology was more and more emphasized by the product designer with widespread application of design for testability.In this paper，the multi-signal flow graphs method was introduced and used to set up the testability model of an aircraft distribution device.Based on the model，the testability of the device was evaluted.Results show that the multi-signal flow graphs modeling method is feasible and effective in the design for testability of product.
Key words:Multi-signal flow graphs；Testability；Distribution device；Modeling；Analyse
15.基于图像处理技术的天然气表检测
叶从胜， 胡晓兵， 管清贵， 殷国富
（四川大学制造与工程学院，四川 成都 610065）
摘 要：针对传统天然气检测系统存在的检测效率低和准确性不高的问题，提出了基于显著形状特征的天然气表数字图像识别方法，通过对数字外轮廓进行简洁、高效的编码，并辅助数字长宽比、内腔等其他形状特征，从而能同时识别整字和半字出现的情况，即而实现了气表检测过程中读数的自动化。实践证明，新系统的检测效率大为提高。
关键词：气表检测；显著形状特征；数字识别
中图分类号：TP391.4 文献标识码：A 文章编号：1672-4984（2007）01-0051-03
Natural gas meter inspection based on image processing
YE Cong-sheng， HU Xiao-bing， GUAN Qing-gui， YIN Guo-fu
（School of Manufacturing and Engineering，Sichuan University，Chengdu 610065, China）
Abstract:This paper introduced a approach to identify numeric reading of natural gas meter，which was based on the representative shape characters of printed digits.By encoding the outer contour of digit with a compact and highly effective method which was aided by other shape characters，such as the ratio of length-width and the lumens of some digits，both results could be recognized correctly when either the half-digit or whole-digit situation appeared.So the automation of reading the natural gas meter in the process of inspection was implemented.After applying the research introduced in this paper to practice，the new system has greatly improved the efficiency，from the half automation system of inspecting 8 natural gas meters per day to 40 now.
Key words:Natural gas meter inspection；Representative character；Digit recognition
16.BP神经网络求解轮轨力作用点位置的研究
王建维， 陈建政
（西南交通大学牵引动力国家重点实验室，四川 成都 610031）
摘 要：测力轮对（Instrumented wheelset）是测量轮轨力最直接最准确的方法。利用有限元法建立测力轮对的有限元模型，并通过计算机模拟研究载荷作用点位置对测力轮对辐板应力的影响，在此基础上，建立加载位置的BP神经网络模型。实践表明，采用BP网络模型仿真的结果可以得到更理想的输出波形，解决或减少了传统组桥过程中存在的一系列问题，证明了所设计的网络具有足够的精度，所建立的网络也是具有应用价值的。
关键词：测力轮对；有限元法；神经网络；BP算法；横垂向桥
中图分类号：U213.2+12 文献标识码：A 文章编号：1672-4984（2007）01-0054-03
Research on solution of wheel/trail force load position based on BP neural network
WANG Jian-wei， CHEN Jian-zheng
（Traction Power State Key of Laboratory，Southwest Jiaotong University，Chengdu 610031，China）
Abstract：Instrumented wheelset is the most direct and precise method to measure wheel/trail force.A finite element （FE） model of Instrumented wheelset was researched，and the effect of load position to the stress of the Instrumented wheelset was simulated by computer.A BP neural network model was set up based on simulation result.It turned out that a more perfect output wave form can be gotten using the BP neural network.This method solvesd or reduces a series of problems which produced in traditional bridge.The model’s simulation data have proved the high precision and application value of the neural network.
Key words：Instrumented wheelset；Finite element method；Neural network；Back propagation algorithm；Lateral and vertical bridge
17.基于时域反射计测量提取S参数的一种新方法
魏茂坚， 徐红兵
（电子科技大学自动化工程学院，四川 成都 610054）
摘 要：讨论了通过时域反射计的瞬时反射和传输响应的测量来提取宽带S参数的一种新的方法。所讨论的有理函数方法，综合运用了广义束函数法，递归去卷积以及标准结构的方法来获取系统的响应。与传统的算法相比，减少了误差。该模型与SPICE建立的模型兼容，并且能够对模型的频率与瞬时响应进行仿真。仿真结果表明了算法的有效性。
关键词：时域反射计；S参数；有理函数；广义束函数；递归去卷积
中图分类号：TM934.7 文献标识码：A 文章编号：1672-4984（2007）01-0057-03
Extraction of S-parameter from TDR measurement
WEI Mao-jian， XU Hong-bing
（School of Automation Engineering，University of Electronc Science and Technology，Chengdu 610054，China）
Abstract:This paper presented extraction of the brand band S-parameter response from transient reflection and transmission measurement.This method used the Generalized Pencil-of-Function method，recursive deconvolution and calibration structures to obtain the response using rational functions.These models are SPICE compatible and can be used to simulate the frequency or transient response.
Key words:TDR；Scattering parameters；Rational function；GPOF；Recursive deconvolution
18.高效液相色谱分析磷脂研究进展
崔 莹
（华东师范大学河口海岸学国家重点实验室，上海 200062）
摘 要: 天然磷脂是含磷酸的类脂化合物，广泛存在于自然界中，在工业生产、食品科学、医药学、生命科学等研究方面都有重要的作用。磷脂的研究手段多样，高效液相色谱在磷脂的分离、检测方面具有优势。结合近年来国内外对高效液相色谱分离磷脂的研究报道，分析了液相色谱分离磷脂所用固定相、流动相、检测器等关键因素，认为液相色谱与质谱联用是未来液相色谱分析磷脂的技术方向。
关键词：天然磷脂；高效液相色谱法；分离；检测
中图分类号：TQ645.9+7 文献标识码：A 文章编号：1672-4984（2007）01-0060-02
Advance of phospholipids analysis by high performance liquid chromatography
CUI Ying
（State Key Laboratory of Estuarine and Coastal Research，East China Normal University，Shanghai 200062，China）
Abstract: Phospholipids are mixtures of lipids containing phosphorus. They widely distribute in the nature. They have great application in the industry，food science，medical science and life science. There are several methods to separate and detect the phospholipids，one of these is the high performance liquid chromatography. This paper analyzed the system used to separate and detect phospholipids and pointed out the combination of the HPLC with MS is the most promising method for separation and detection of phospholipids in the future.
Key words: Natural phospholipids；High performance liquid chromatography；Separation；Detection
19.基于CMOS图像传感器的微小变形测量系统
赵太新， 韩 峰， 王彦平
（内蒙古工业大学机械学院，内蒙古 呼和浩特 010051）
摘 要：近年来，图像处理在微小变形的测量中应用越来越广泛，它具有方便灵活、对被测对象没有任何伤害等优点，且只需对被测对象进行拍照，然后对图像进行处理分析，利用亚像素法原理即可精密测量出试样的微小变形。因此，利用AT89C51与CMOS图像传感器OV5017组成DMA方式数据采集系统，FT245BM虚拟USB口与PC机通讯，实现了对纵向和横向两个方向微小变形的无接触精密测量，且精度高成本低。
关键词：AT89C51单片机；OV5017CMOS图像传感器；DMA片内直接存储；USB通讯；图像匹配
中图分类号：TP311 文献标识码：A 文章编号：1672-4984（2007）01-0062-03
Small distortion measurement system based on CMOS image sensor
ZHAO Tai-xin， HAN Feng， WANG Yan-ping
（School of Mechanical Engineering，Inner Mongolia University of Technology，Huhehote 010051，China）
Abstract：In recent years，the image processing has widely applied in precise measurement of small distortion. It has merit of being convenient and nimble and having no injury to measured object and so on. It only needs to take photographs to the measured object for processing and analyzing. Using sub-pixel image matching，the authors obtained the precise measurement of small distortion. In this way，by the data gathering system of DMA way compose of AT89C51 and the image sensor OV5017，virtual USB communication mouth of AT89C51and PC using FT245BM，they realized the precise measurement of small distortion in the two directions，longitudinal and the crosswise，with more precision，low cost and no damage to measured object of course.
Key words: AT89C51 single chip microcontroller；OV5017CMOS image sensor；DMA internal direct memory；USB communication；Image matching
20.基于PXI总线的某型突击车综合检测系统研究
张 芳1， 陈贻焕2， 贾海山3， 彭 耿4
（1.第二炮兵青州士官学校，山东 青州 262500；2.海军航空工程学院，山东 烟台 264001；
3.烟建集团第十建安公司，山东 烟台 264001；4.解放军91046部队，广东 湛江 524064）
摘 要： 对某型突击车自动测试系统设计的软硬件方案、智能故障诊断等方面进行了深入的研究和具体的工程设计。工程实践表明，系统实现了对车辆各个分系统的性能检测和故障诊断，其方案合理有效，在实用性、可靠性和稳定性上都有良好的表现，充分体现了虚拟仪器及PXI总线技术在自动测试领域的先进性。
关键词：突击车；检测；智能诊断；ATS；PXI；CPLD
中图分类号：TP336 文献标识码：A 文章编号：1672-4984（2007）01-0065-05
Research on synthetic testing system for assault vehicle based on PXI bus
ZHANG Fang1， CHEN Yi-huan2， JIA Hai-shan3， PENG Geng4
（1.Qingzhou The Second Artillery Sergeant School，Qingzhou 262500，China；
2.Naval Aeronautical Engineering College，Yantai 264001，China；
3.The 10th Construction and Installation Branch of Yantai Construction Group Co.Ltd，Yantai 264001，China；
4.PLA Unit of 91046，Zhanjiang 524064，China）
Abstract：The paper followed the hotspot about research and application of synthetic testing system. Based on discussion of automatic testing system，virtual instruments and PXI bus，this paper took a profound research and design for the program of software and hardware and intelligence fault diagnosis. Experience showed that synthetic testing system for assault vehicle based on PXI bus was a rational and effective scheme，which was better in practicability，reliability and stabilization to implement testing and fault diagnosis. At the same time，the characteristics that operational reliability and anti-jamming of the system embodied the advance of the virtual instruments and PXI bus in the area of the automatic testing.
Key words: Assault vehicle；Testing system；Fault diagnosis；ATE；PXI；CPLD
21.汽车检测设备检定值和测量值差异分析
殷建民1， 马强骏2
（1.深圳巴士集团，广东 深圳 518036；2.深圳泰克交通科技公司，广东 深圳 518049）
摘 要：台架式汽车检测设备，使用前都是经过计量检定的合格产品，但在使用中发现功能相同而结构不同的设备测量结果差异很大，针对这一现象就检测设备计量检定规程中存在的一些问题提出质疑与建议，对检定手段、检定用仪器设备、误差允许值规定提出了看法和建议。
关键词：汽车检测设备；计量检定；动态测量；静态标定；误差
中图分类号：U467.5+2 文献标识码：A 文章编号：1672-4984（2007）01-0070-04
Difference analysis on examining and measuring of automotive inspection equipment
YIN Jian-ming1， MA Qiang-jun2
（1.Shenzhen Bus Group，Shenzhen 518036，China；
2.Shenzhen Team Work Transportation Technology Co.Ltd，Shenzhen 518049，China）
Abstract:Although most pedestal Automotive Inspection Equipments, have got metrological verification before usage, however, measurement result is quite different in examination. Aiming at this phenomenon, this text put forward some queries and suggestions including examination means, instrument equipments and error margin etc.
Key words:Automotive inspection equipment；Measurement and testing；Dynamic measurement；Static calibration；Error value
22.基于人体大脑器官实体切片的定量分析
李彩霞1， 樊庆文2， 王德麾2， 林大全2， 李辛夷3
（1.重庆通信学院，重庆 400035；2.四川大学制造科学与工程学院，四川 成都 610065；
3.重庆大学动力工程学院，重庆 400044）
摘 要:在得到人体实体切片序列图像中大脑器官的边缘轮廓线的基础上，提取图像中的标尺，利用图像中提供的标尺计算像素和实物的比例关系；用积分叠加原理计算大脑切片的面积和体积，建立了大脑器官定量分析的数学模型。用辐照仿真人体模型作为实验对象，根据论文提供的数学模型计算其大脑的体积并与真值比较，验证定量分析原理和数学模型是可行的。
关键词：大脑器官；定量分析；仿真人体模型；实体切片；目标图像
中图分类号：TP751 文献标识码：A 文章编号：1672-4984（2007）01-0074-03
Research on quantitative analysis based on human cerebrum slices
LI Cai-xia1， FAN Qing-wen2， WANG De-hui2， LIN Da-quan2， LI Xin-yi3
（1.Chongqing Communication College，Chongqing 400035，China；
2.School of Manufacturing Science and Engineering，Sichuan University，Chengdu 610065，China；
3.College of Power Engineering，Chongqing University，Chongqing 400044，China）
Abstract：On the base of distilling edges from images of human slices, by calibrating the gauge, the ratio relationship between the pixels of the gauge and the real section areas were obtained. Thus, the mathematical model of the cerebrum can be constructed for the use of quantitatively analyzing. The volume of cerebrum has got by piling up the solid slices according to the integral principle. By comparing with the authentic data of the phantom of the human cerebrum in the experiment, the correctness of the quantitative analysis mathematical model has been verified.
Key words：Cerebrum；Quantitative analysis；Phantom；Solid slice；Aim image
23.纳米压痕仪和激光超声技术检测薄膜弹性模量
陈倩栎1， Konrad Herrmann2， Febo Menelao2
（1.东南大学材料科学与工程学院，江苏 南京 211189；2.德国联邦物理技术研究院，德国 布伦瑞克 381116）
摘 要：在薄膜材料的力学性能测定中，弹性模量是衡量材料软硬程度的重要指标。为了测定弹性模量，本文选取不同种类和厚度的金属薄膜材料，采用纳米压痕技术（nanoindentation）和激光超声技术（laser-acoustics）两种测试方法相互比较，以确保测试的准确性。两种方法在膜厚较大的试样测试中得到了大致相符的试验结果，相对误差最小达到2%。
关键词：薄膜；弹性模量；纳米压痕技术；激光超声
中图分类号：TH873.7+2 文献标识码：A 文章编号：1672-4984（2007）01-0077-05
Comparative study about the determination of the Young's modulus of thin layers
with the instrumented indentation test and the laser-acoustic measuring method
CHEN Qian-li1， Konrad Herrmann2， Febo Menelao2
（1.School of Materials Science and Engineering， Southeast University，Nanjing 211189，China；
2.Physikalisch-Technische Bundesanstalt，Braunschweig 38116，Germany）
Abstract: For the characterization of the mechanical properties of thin films the Young's modulus plays an important role. In order to state the accuracy of the corresponding measurements and further to increase their accuracy, two methods are compared with a set of layer materials: the nanoindentation test and the laser-acoustic measuring method. The results from the laser-acoustic measuring method fits properly with that of nanoindentation test.
Key words: Thin layers； Young’s modulus； Nanoindentation test； laser-acoustic method
24.用仲辛醇萃取锗的研究
王安亭， 潘吉平
（洛阳大学环境与化学工程学院，河南 洛阳 471023）
摘 要：锗的提取中溶剂萃取是一种简单、快速分离、效果理想、最有竞争力的方法。但萃取剂的种类繁多且都要求酸度比较高，萃取剂浓度高，造成提取成本过高并会对生态环境造成污染。寻找优良的提取锗的萃取剂就至关重要。本文采用苯基荧光酮分光光度法测定仲辛醇/石油醚溶液中锗的含量。根据实验结果确定：每100mL锗标准溶液加助萃取剂0.5g，用30mL 10%的仲辛醇/石油醚溶液，在中性条件下，萃取2min,锗的萃取率最高。仲辛醇/石油醚溶液对锗有很高的萃取率，是一种值得推荐的萃取剂。
关键词：萃取；苯基荧光酮；仲辛醇；锗；浓度
中图分类号：O658.2 文献标识码：A 文章编号：1672-4984（2007）01-0082-02
Study on the extracting of germanium by 2-octanol solvent
WANG An-ting， PAN Ji-ping
（College of Environmental and Chemical Engineering，Luoyang University，Luoyang 471023，China）
Abstract：Germanium, solvent extraction method is a simple, rapid separation, and the most competitive method with good effect. But the variety and amounts agents require relatively high acidity and high concentration of extract agents, resulting from high costs and pollution on the ecological environment. So finding good agents from germanium is critical. By using phenylfluorone photometer analysis，solution of germanium content in 2-octanol and petroleum was measured. According to results of experiments, adding 0.5g complexant to germanium standard solution per 100mL, and 30ml 10% of 2-octanol and petroleum solution, in neutral conditions, extract two minutes, reaching the highest rate of germanium extraction. So 2-octanol and petroleum solution extraction is a recommendable extraction agent.
Key words:Extract；Phenylfluorone；2-octanol；Germanium；Concentration
25.基于DASYLAB的发电机组电流虚拟监测系统的建立
刘 钢1， 李德远2， 杨华荣1， 樊友文1
（1.武汉市第二船舶设计研究所，湖北 武汉 430064；2.解放军海军驻431厂军事代表室，辽宁 葫芦岛 125004）
摘 要：随着虚拟仪器的不断发展其应用也越来越广泛，作者根据发电机组电流监测的实际需要，利用虚拟测试软件（dasylab）开发出一套虚拟测试系统，较高效地实现了对机组不平衡度及电流谐波的监测，为被测系统的正常工作起到了一定作用，同时对用dasylab进行软件开发做了初步探讨。
关键词：发电机组；DASYLAB；虚拟仪器；不平衡度；谐波
中图分类号：TP311 文献标识码：A 文章编号：1672-4984（2007）01-0084-03
Establishment of a virtual test system of generator output currents with DASYLAB
LIU Gang1， LI De-yuan2， YANG Hua-rong1， FAN You-wen1
（1.Wuhan Second Ship Design and Research Institute，Wuhan 430064，China；
2.PLA Navy Military Delegates Ageney of 431 Factory，Huludao 125004，China）
Abstract： With the development of virtual instrument，its application has been wider and wider. In this article，a virtual test system was designed with DASYLAB. This system was based on the need of measuring the output currents of a generator. It can test its current unbalance and harmonic content efficiently and it is helpful for its operation. DASYLAB design was also discussed.
Key words: Generator；DASYLAB；Virtual instrument；Current unbalance；Harmonic content
26.电荷放大器可靠性分析
魏 冬， 张志杰， 裴东兴
（中北大学仪器科学与动态测试教育部重点实验室，山西 太原 030051）
摘 要：介绍了电荷放大器在存储测试系统中的作用，详细说明了电荷放大器工作原理，推导出电荷量与输出电压之间的关系。通过故障树的方法对电荷放大器的可靠性进行分析，得出电荷放大器的MTBF和可靠性曲线，定量计算出电阻、电容、焊点和芯片在一个完整的存储测试电路中的失效率，定性的分析出不同部分对整体系统失效率的影响度。
关键词：电荷放大器；可靠性；失效率；MTBF；故障树
中图分类号：TN722.5+6 文献标识码：A 文章编号：1672-4984（2007）01-0086-02
Reliability-analysis of charge amplifier
WEI Dong， ZHANG Zhi-jie， PEI Dong-xing
（Key Laboratory of Instrumentation Science and Dyamic Measurement（Ministry of Education），North China University，Taiyuan 030051，China）
Abstract：This paper introduced the function and operating principle of charge amplifier in the stored testing and measuring system and then derived the relation of charge and output-voltage.The reliability of charge amplifier was analyzed by fault tree.The MTBF and reliability-curve of charge amplifier was obtained.The miss ratio to a whole stored testing and measuring system of resistance，capacitance，weld and CMOS chip was calculated.The influence of difference parts to the miss ratio of whole system was analyzed qualitatively.
Key words：Charge amplifier；Reliability；Miss ratio；MTBF；Fault tree
27.环境和使用频率对硫化氢监测仪置信度的影响
刘晓嘉1， 许 星2
（1．四川石油管理局质量安全环保部，四川 成都 610051；2.四川石油管理局技术检测中心，四川 广汉 618300）
摘 要：依据对大量含硫油气井钻井过程中的硫化氢监测仪的检定实践，研究了当监测仪安装在钻井队的不同工作位置时，温度对监测仪置信度的影响、湿度对监测仪置信度的影响、以及使用频率对监测仪置信度的影响，建立了环境条件和使用频率对监测仪置信度的影响公式，把综合置信度概念引入对计量器具检定周期的评定。
关键词：环境；频率；硫化氢；监测仪；置信度；影响
中图分类号：TM930.115 文献标识码：A 文章编号：1672-4984（2007）01-0088-02
Impact on confidence level of H2S monitor by applying environmental condition and frequency
LIU Xiao-jia1， XU Xing2
（1．Quality and Health Safery Environment Department，Sichuan Petroleum Administration，Chengdu 610051，China；
2．Technology Test Center of Sichuan Petroleum Abministration，Guanghan 618300，China）
Abstracts: Based on detection and practice on H2S Monitor during the drilling process of a large number of wells with H2S，the writers of this paper studied how temperature，humidity and frequency will influence the confidence level of H2S Monitor when the Monitor is placed at different situations and established the formula for influence of the confidence level of H2S Monitor and introduced the comprehensive confidence level to the assessment of calibration interval of measuring instruments.
Key words：Environment；Frequency；H2S；Monitor；Confidence level；Impact
28.接地导通电阻测试仪电阻示值误差分析
何锡伦
（广东省顺德质量技术监督检测所，广东 顺德 528300）
摘 要：依据JJG984-2004《接地导通电阻测试仪》国家检定规程和JJF1059-1999《测量不确定度评定与表示》国家技术规范的要求，以MG11D接地导通电阻测试仪为例，通过采用不确定度A类和B类评定方法，对接地导通电阻测试仪电阻示值误差的测量结果不确定度进行了定性分析和定量分析，得出符合检定规程的要求的结论。
关键词：接地导通电阻测试仪；电阻；示值误差；不确定度；分析
中图分类号：TM930.115 文献标识码：A 文章编号：1672-4984（2007）01-0090-02
Error analysis of resistance indication of earth-continuity tester
HE Xi-lun
（Shunde Institute of Metrology and Quality Inspection，Shunde 528300，China）
Abstract:According to the request of national regulation of verification of JJG984-2004“Earth-Continuity Testers ”and national technical specification of JJF 1059-1999“Evaluation and Expression of Uncertainty in Measurement”，the author took an earth-continuity tester Model MG11D as example for uncertainty evaluation.The article also discussed uncertainty of resistance indication error of measurement result qualitatively and quantitatively.
Key words：Earth-continuity tester；Resistance；Indication error；Uncertainty；Anaglysis
29.铯束原子频率标准装置测量不确定度的分析
孙 毅， 张 铌
（天津市计量监督检测科学研究院，天津 300192）
摘 要：时间计量已经广泛地用于现代科学技术的各个方面，并且用于对其它物理量的间接测量之中，因而作为时间频率量值传递系统中的一级频标——铯束原子频率标准不确定度分析就显的尤为重要。本文介绍了用铯束原子频率标准装置测量不确定度的评定过程，并给出了计算过程及表达方式。
关键词：铯束原子频率标准；合成标准不确定度；扩展不确定度
中图分类号：TM930.115 文献标识码：A 文章编号：1672-4984（2007）01-0092-03
The evaluation of measurement uncertainty for the cesium atomic beam frequency standard
SUN Yi， ZHANG Ni
（Tianjin Institute of Measurement and Quality Inspection，Tianjin 300192，China）
Abstract: Time measurement is broadly used for each aspect of modern science and technology，and is used as indirect measurement of other physical quantities. Hence，analysis of measurement uncertainty of cesium atomic beam frequency standard is most importance. This paper introduces the evaluation of measurement uncertainty of cesium atomic beam frequency standard，and gives its calculation process and expression method.
Key words: Cesium atomic beam frequency standard；Combined standard uncertainty；Expanded uncertainty
30.应用LabVIEW中. NET组件建立Web Services的研究
张玉宝， 徐万明
（内蒙古科技大学机械学院，内蒙古 包头 014010）
摘 要：Web services作为新一代的基于web的网络信息交换技术的逐步应用，为异构测试系统数据交换提供了新的途径。文章介绍了Web services、.NET等相关技术在LabVIEW中的应用情况，描述了如何利用微软的.NET技术在LabVIEW中应用Web Services，实现基于web的网络间异类系统之间的数据交换，并以具体例子演示如何在LabVIEW中实现Web Services应用。
关键词：LabVIEW；.NET；Web Services；XML
中图分类号：TP9311.1 文献标识码：A 文章编号：1672-4984（2007）01-0095-04
Research of Building a Web Service Application in LabVIEW with .net assembly
ZHANG Yu-bao， XU Wan-ming
（School of Mechanical，Inner Mongolia University Science and Technology，Baoto 014010，China）
Abstract:Web services have emerged as the next generation of Web-based technology for exchanging information between applications across the Internet and provided a new method for exchanging data between difference structure systems. This article introduced Web Services and Microsoft.NET technologies and described how to incorporate Web service components into LabVIEW applications by leveraging Microsoft .NET technology. It also demonstrated how to achieve data-exchange between different systems.
Key words:LabVIEW；.NET；Web Services；XML
31.高速数字电路中信号反射的分析及解决方案
毕 明， 陈光 ， 谢永乐
（电子科技大学自动化工程学院，四川 成都 610054）
摘 要：随着微电子技术的不断发展,在数字系统设计中系统工作频率不断增加，高速器件的使用越来越广泛。对信号进行完整性分析已经成为高速数字电路设计中的一个必要环节。针对高速数字电路设计存在的信号完整性反射噪声问题，首先从理论上分析了信号反射产生的原因及解决方法，然后以高速数字测试模块为例，利用Mentor Graphics公司的Hyperlynx软件进行仿真验证，以达到在设计阶段消除反射噪声的目的。
关键词：高速；信号完整性；反射；Hyperlynx；仿真。
中图分类号：TP274 文献标识码：A 文章编号：1672-4984（2007）01-0099-03
Analysis and resolution of signal reflection in high speed digital circuit
BI Ming， CHEN Guang-ju， XIE Yong-le
（School of Automation Engineering，University of Electronics Science and Technology，Chengdu 610054，China）
Abstract:With development of microelectronics and increase of working frequency of digital system. High speed devices have being used broadly. It is necessary to analysis signal integrity in designing high-speed digital circuit. This article discuss one of problems of signal integrity in designing high-speed digital cricuit－reflection noise. First，the article analysis the original of signal reflection and how to resolve it in theory， then proved it through simulation using Hyperlynx of Mentor Graphics corporation， in order to eliminate reflection noise in design phase.
Key words: High-speed；Signal integrity；Reflection；Hyperlynx；Simulation
32.ADO数据库访问技术在LabWindows/CVI中的应用
黄吉涛1， 周伦彬2
（1.天津理工大学自动化与能源工程学院，天津 300191；2.广州市计量检测技术研究院，广东 广州 510030）
摘 要：通过实例详细地介绍了在Labwindows/CVI中运用ADO技术访问数据库的两种方法及其实现的关键，同时通过对两种方法的对比测试发现Recordset对象法具有快速访问数据库的优势，然而繁琐的类型转化限制了这种方法的使用，为此作者扩展了原有ADO函数驱动器，对数据类型转换的操作进行了打包，使得记录的读写更简单。经过扩展后的ADO函数驱动器使得数据库的访问更加方便、灵活，进一步拓展了LabWindows/CVI的应用。
关键词:ADO；Labwindows/CVI；Recordset对象；数据库；函数驱动器
中图分类号：TP311.52 文献标识码：A 文章编号：1672-4984（2007）01-0102-03
Application of the data-base access with ADO technology in LabWindows/CVI
HUANG Ji-tao1， ZHOU Lun-bin2
（1.School of Automaiton and Energy Engineering，Tianjin University of Technology，Tianjin 300191，China；
2.Guangzhou Institute of Measurement and Testing，Guangzhou 510030，China）
Abstruct: This paper took an example to show how to access Microsoft Access with the ADO technology in two methods. By comparison of the two methods， it is easy to see that the method of Recordset Object has advantage in faster accessing the Access， but is limited by type conversion. So the authors extended the original ADO function drive， made the data type conversion built-in to make record teading and writing in a simple way. The Extended ADO function drive makes it is more convenient and flexible to access the Access， and thus extend the usage of the LabWindows/CVI.
Key words:ADO；LabWindows/CVI；Recordset-object；Data-base；Function drive
33.FPGA有限状态机模拟I2C总线设计
潘小冬1， 陈泽祥1， 黄自力2， 高升久2
（1．电子科技大学光电信息学院，四川 成都 610054；2．西南技术物理研究所，四川 成都 610041）
摘 要：以I2C总线协议为根据，用有限状态机（FSM:Finite State Machine）设计了基于FPGA的I2C初始化程序模块。主要内容包括简述I2C总线的特点；介绍用FPGA中FSM开发I2C总线模块时的设计思想和实现过程；给出并解释了部分用Verilog HDL描述I2C总线初始化SAA7111和SAA7121的程序，最后在QuartusII中进行了I2C总线主从模式下的时序仿真和用其内嵌逻辑软分析仪SignalTapII完成了硬件调试。
关键词：I2C总线；FPGA；有限状态机(FSM)；Verilog HDL；初始化
中图分类号：TP336 文献标识码：A 文章编号：1672-4984（2007）01-0105-03
Design of FSM simulation for I2C bus based on FPGA
PAN Xiao-dong1， CHEN Ze-xiang1， HUANG Zi-li2， GAO Sheng-jiu2
（1.School of Photo-electronic Information，University of Electronic Science and Technology，Chengdu 610054，China；
2.Institute of Southwest Technology and Physics，Chengdu 610054，China）
Abstract:According to I2C bus communication protocol， this paper introduced design of the I2C bus by FSM based on FPGA. It mainly includes the brief introduction of the characteristic of I2C bus, the design ideas and implementation process for I2C bus based on FPGA. Then it share and explanation some program of initialization for SAA7111 and SAA7121 in Verilog HDL. Finally timing simulation under master-slave in QuartusII was done, and debugging by SignalTapII on hardware was completed successfully.
Key words:I2C bus; FPGA；FSM；Verilog HDL；initialization
34.NI-SCOPE的虚拟数字信号分析仪实现
雷晓勇1, 盛 文2, 程照宇1
（1.空军雷达学院研究生管理大队，湖北 武汉 430019；2.空军雷达学院预警探测装备系，湖北 武汉 430019）
摘 要：基于LabVIEW软件开发平台，利用NI-SCOPE实现了一种多功能虚拟数字信号分析仪，该分析仪既有数字存储示波器的所有功能，还具有加窗滤波、频谱分析等信号分析功能，是传统示波器和信号分析仪器的结合。该分析仪界面友好，功能齐全，操作简单，具有较高的应用价值。
关键词：虚拟仪器；NI-SCOPE；LabVIEW；HWS；加窗滤波；频谱分析
中图分类号：TP311.52 文献标识码：A 文章编号：1672-4984（2007）01-0108-03
Realization of virtual digital signal analyzer based on NI-SCOPE
LEI Xiao-yong1， SHENG Wen2， CHENG Zhao-yu1
（1.Department of Graduate Management，Air Force Radar Academy，Wuhan 430019，China;
2.Department of Early Warning Detection Equipment，Air Force Radar Academy，Wuhan 430019，China）
Abstract：In this paper，based on the software development platform of LabVIEW，the authors realized a virtual digital signal analyzer by using NI-SCOPE. It performs not only functions of traditional digital storage oscilloscope，but also functions of windowed filtering，spectrum analysis and waveform storage，etc. Experiments show that this analyzer has the advantages of friendly user interface，complete functions and simple operation for general application.
Key words：Virtual instrument；NI-SCOPE；LabVIEW；HWS；Windowed filtering；Spectrum analysis
35.一种基于派遣路由算法的ATM信令技术
张 虎， 郭 伟， 刘 伟
（电子科技大学通信抗干扰技术重点实验室，四川 成都 610054）
摘 要：宽带综合业务数字网B-ISDN是实现多种业务，多种功能综合服务的理想网络之一。然而民用B-ISDN网络中的ATM信令技术并不适用于一些专用B-ISDN网络。针对这些专用B-ISDN网络的特点，介绍了一种专用ATM信令技术，及其基于深度优先泛搜索的派遣路由算法。通过在OPNET仿真平台中进行仿真，验证了该专用ATM信令技术在专用宽带综合业务数字网中的可行性。
关键词：ATM信令；B-ISDN；派遣路由算法；OPNET
中图分类号：TN915.04 文献标识码：A 文章编号：1672-4984（2007）01-0111-03
A sort of ATM signaling technology based on the dispatch routing algorithm
ZHANG Hu， GUO Wei， LIU Wei
（National Key Lab of Communication，University of Electronic Science and Technology，Chengdu 610054，China）
Abstract: The Broadband Integrated Service Digital Network is very suitable for implementing multiple service network. However，the ATM Technology which is used in the common B-ISDN is not quite suitble for some special B-ISDNs. This paper introduces a sort of ATM signaling technology and its dispatch routing method which was based on the deep-first flooding algorithm. Through the simulation on the OPNET simulation tool，the feasibility of the special ATM signaling was apporved by the results.
Key words: ATM signaling；B-ISDN；Dispatching algorithm；OPNET
TCP/IP协议的零拷贝和简化实现
36.TCP/IP协议的零拷贝和简化实现
宋 佳1， 谢湘楠2， 冉蜀阳1
（1.四川大学电气信息学院，四川 成都610065；2.中国测试技术研究院，四川 成都 610021）
摘 要：对嵌入式数据采集系统与PC间通过以太网的数据通讯进行了研究。这类嵌入式系统与PC配置于同一网段，数据包的大小比较固定，但是要求传输速度快，系统资源占用率小。通过在网卡驱动程度程序中直接使用简化的MBUF结构，实现了发送和接收数据的零拷贝，减少了CPU占用率。通过简化IP层协议和实现其它协议层中最基本的功能，大大减少了代码量。适用于资源比较紧张的系统与PC间的快速数据通讯。
关键词：TCP/IP ；MBUF； 零拷贝； 数据采集；嵌入式
中图分类号：TP393.1 文献标识码：A 文章编号：1672-4984（2007）01-0114-04
Simplified and zero-copy TCP/IP protocol based on data captrure system
SONG Jia1， XIE Xiang-nan2， RAN Shu-yang1
（1.School of Electrical Engineering and Information，Sichuan University，Chengdu 610065，China；
2.National Institute of Measurement and Testing Technology，Chengdu 610021，China）
Abstract: To study the TCP/IP protocol used in the embedded system with limited code space and CPU usage, this paper introduced the zero-copy and simplified TCP/IP protocol. Using simplified MBUF structure in Ethernet adapter’s driver , simplifying the IP layer handle, implement only the needed protocol. Thus , the code size and CPU usage are largely reduced.
Key words: TCP/IP；MBUF；Zero-copy；Data capture；Embedded system
37.CAN总线在现场检测系统中的应用研究
王 锐， 董秀成， 陈延云
（西华大学电气信息学院，四川 成都 610039）
摘 要：CAN总线是一种主要用于各种现场检测和控制的现场总线网络，由于可靠性高、实时性好、成本较低，近年来已经广泛应用于各种工程检测与控制领域。在此介绍一种CAN总线在现场检测系统中应用的设计方案，并重点论述系统软硬件设计及通信协议的制定等方面内容。实际应用表明，系统通信在具有可靠性和稳定性之外，还有一定的扩展功能。
关键词：C8051F040；CAN总线；现场检测；分布式；SOC
中图分类号：TP336 文献标识码：A 文章编号：1672-4984（2007）01-0118-04
Application of field detection system based on CAN bus
WANG Rui， DONG Xiu-cheng， CHEN Yan-yun
（School of Electrical Engineering，Xihua University，Chengdu 610039，China）
Abstract：CAN（Controller Area Network） bus is a kind of field bus network which is mainly applied in field detection and control. Due to high reliability，real-time and low cost，CAN bus have a widely application in engineering detection and control field recently. Design plot of field detection system based in CAN bus was presented in this paper. It introduced configuration of hardware，flow chart of software and establishment of communication agreement. Practical measurement results indicate that the system has advantages in reliability，stability and extensibility.
Key words：C8051F040；CAN bus；Field detection；Distributed；SOC
38.X波段镜像抑制混频器设计
钱可伟
（电子科技大学，四川 成都 610054）
摘 要：随着微波通信技术的迅速发展，作为微波接收机主要部件之一的混频器也向小型化，多功能化发展。利用ADS工具辅助设计和调试了一个X波段镜像抑制混频器。对常用混频器的结构进行了改进，通过测试结果可以看出，这种改进能实现较高的镜频抑制度和较低的变频损耗，且各端口间的隔离度也较好。混频器工作频率10.5GHz，中频1GHz，混频管采用HSMS-8101，基板为Rogers5880，其介电常数为2.2。
关键词：单平衡混频器；3dB正交耦合电桥；功分器
中图分类号：TN743 文献标识码：A 文章编号：1672-4984（2007）01-0122-03
X-band image-reject mixer design
QIAN Ke-wei
(University of Electronic Science and Technology，Chengdu 610054，China)
Abstract：As the rapid development of microwave communication technology，mixer，the main part of microwave receiver，has become more multifunctional and smaller.This paper presented a X-Band Image-Reject Mixer Design and its circuit using ADS tool for debugging.The structure of mixer is improved，so it shows higher image-rejection as well as lower conversion loss.Also，the isolation between each port is better than before.The signal frequency is 10.5GHz and the center frequency is 1GHz.It uses HSMS-8101 diodes (Agilent) as the mixing elements.The relative dielectric constant of the substrate is 2.2 and the height is 0.5mm.
Key words：Single-balanced mixer；3dB branch-line coupler；Power-divider
39.一种高速数据采集系统的实现
张洪彬， 柳吉龄， 齐 伟， 刘振伟
（解放军63936部队，北京 102202）
摘 要：介绍了一种利用高速A/D、高速FIFO、CPLD和计算机EPP接口实现高速数据采集的设计方案。该方案由CPLD控制高速A/D转换和高速FIFO 的读写以及与EPP接口的数据传输，从而很好地解决了数据的高速存储，并可以很方便的与计算机进行数据交换。本文对系统的各主要部分进行了分别的介绍，最后给出系统的实现原理图。
关键词:CPLD；FIFO；EPP；数据采集
中图分类号：TP334.7 文献标识码：A 文章编号：1672-4984（2007）01-0125-03
Realization of a high-speed data acquirement system
ZHANG Hong-bin， LIU Ji-ling， QI Wei， LIU Zhen-wei
（The Unit of 63936 PLA，Beijing 102202，China）
Abstract:By the use of high-speed AD, FIFO, CPLD, EPP port, a high-speed data acquirement system was designed. This scheme solves high-speed data storage and it is convenience to exchange data with computer. The main parts of this data acquirement system were introduced and the scheme of realization was also mentioned.
Key words:CPLD；FIFO；EPP；Data acquirement
40.用单片机实现多齿分度台自动控制
吴 刚， 甘俊红
（中国船舶工业集团公司第6354研究所，江西 九江，332000）
摘 要：介绍了多齿分度台的结构组成、工作原理和发展现状及存在不足;着重介绍了用单片机对多齿分度台进行过程控制的实现，阐述了单片机控制电路的设计思路，硬件电路原理框图，叙述了元器件选择所考虑的因素，对运动执行器步进电机的选择和特点进行了分析，对控制软件功能设计、中断保护程序、自动控制过程的实现进行了说明，并给出了主程序设计流程图。
关键词：单片机；多齿分度台；自动控制；控制电路；软件设计；流程图
中图分类号：TP311 文献标识码：A 文章编号：1672-4984（2007）01-0128-02
Realization of multi-tooth dividing table control with monolithic integrated circuit
WU Gang， GAN Jun-hong
（6354 Institute of China State Shipbuild Corporation，Jiujiang 332000，China）
Abstract:This article introduced the multi-tooth dividing table’s structure，working principle，development and disfigurement. It put great emphasis on introduction of realization of control with the monolithic integrated circuit to multi-tooth dividing table’s fluctuation. It also introduced design of monolithic integrated circuit control ciruit，hardware electric circuit principle diagram，and component selection etc.
Key words:Monolithic integrated circuit；Multi-tooth dividing table；Automatic control；Control circuit；Software design；Flow charted
41.电力设备电磁兼容评价计算机辅助分析
王世培1， 许允之2， 刘 昊2， 谷 波2
（1.九州职业技术学院，江苏 徐州 221116；2.中国矿业大学信息与电气工程学院，江苏 徐州 221008）
摘 要：变电站的电磁环境十分复杂，存在着各种各样的干扰源，测控设备处在复杂的空间电磁环境中，受到干扰破坏后，将使计算机应用系统发生故障。电力设备电磁兼容评价计算机辅助分析系统依据国家行业标准，分析、预测被评价电气项目中存在的危险、有害因素的种类。根据设备屏蔽材料的不同，由计算机进行辅助分析，并提出科学、合理和可行的技术措施和管理对策，保证生产安全顺利的进行。
关键词：安全评价；辅助分析；电磁兼容；电力系统；屏蔽
中图分类号：TP311.52 文献标识码：A 文章编号：1672-4984（2007）01-0130-03
Electromagnetism evaluation of power equipments by computer assistant analysis
WANG Shi-pei1， XU Yun-zhi2， LIU Hao2， GU Bo2
（1.Jiuzhou Vocational and Technical College，Xuzhou 221116，China；
2.College of Information and Electrical Engineering， China University of Mining and Technology，Xuzhou 221008，China）
Abstruct：The electromagnetic environment of the transformer station is very complex and there are many kinds of interference sources. Measuring and controlling equipments in the complex electromagnetic environment are often not working properly by these interferences and computer application system will even go wrong. This electromagnetic compatible evaluation by computer assistant analysis system can analyze and forecast the danger and the nocuous factor in the electric projects which are evaluated according to the country industry standard. It uses the computer to do the assistant analysis according to the difference of the equipments screening material and brings forward the scientific，reasonable and feasible technology ways and management countermeasure in order to assure the favoring production.
Key words:Safety evaluation；Assistant analysis；Electromagnetic compatibility；Power system；Screening
42.冷原子荧光光谱法测定化妆品中汞
唐莲仙， 丁亚明
（金华市质量技术监督检测院，浙江 金华321000）
摘 要：结合SYG-Ⅱ型智能冷原子荧光测汞仪的技术结构特点，采用氯化亚锡作还原剂，用冷原子荧光光谱法对化妆品中汞的测定方法进行研究。指出了载气流速、酸浓度和氯化亚锡浓度等因素对检测结果的影响，并对各种影响因素进行优化．研究结果表明：在最佳条件下，化妆品中汞浓度在0~2.0μg•L-1范围内具有良好的线性，相关系数＞0.9994。此方法相对标准偏差小于3.52%，检出限为0.02μg•L-1，回收率在（83~107）%之间。
关键词：冷原子荧光法；化妆品；汞；测定方法；条件优化
中图分类号：TH744.16 文献标识码：A 文章编号：1672-4984（2007）01-0133-03
CV-afs determination of mercury in cosmetics
TANG Lian-xian， Din Ya-min
（Jinhua Measurement and Test Institute for Quality and Technique Supervision，Jinhua 321000，China）
Abstract: A method using SYG-Ⅱ cold vapor generation atomic fluorescence spectrometry with SnCl2 for determination of Hg in cosmetics was studied. The instrumental parameters and the conditions of measurement such as the concentration of acid and tin dichloride were investigated in detail. Under the optimum conditions ,the linearity range for the determination of mercury was found to be（0~2.0）μg•L-1. RSD’s obtained was less than 3.52%.The limit of determination of this method was found to be 0.02μg•L-1 and recovery was in the rang of （83~107）%.
Key words: Cold atomic fluorescence spectrometry；Cosmetics；Mercury；Method of determination；Optimization of conditions
43.一种实用蓄电池内阻测试仪的研制
刘百芬， 冷雄春
（华东交通大学电气与电子工程学院，江西 南昌 330013）
摘 要：针对目前国内蓄电池内阻测量方法复杂的问题，研制了一种新型蓄电池内阻测试仪。该测试仪基于鉴相处理技术，采用高精度ADC提高了测试精度，大大简化了测量程序。介绍了该测量方法的原理和具体实现过程。实际情况表明：该方法简单、精度高，具有良好的实用价值和推广意义。
关键词：实用；高精度；鉴相处理；模拟乘法器；滤波
中图分类号：TM930.111 文献标识码：A 文章编号：1672-4984（2007）01-0136-03
Development of a practical battery impedance-probe
LIU Bai-fen， LENG Xiong-chun
（School of Electrical and Electronic Engineering，East China Jiaotong University，Nanchang 330013，China）
Abstract：In allusion to the complexity of method of battery impedance measurement, a method was presented to tell how to achieve high accuracy of phase measurement by accurate ADC，to measure the battery impedance simply based on phase detector processing technology，which greatly simplifies the work load. This paper introduced the work principle and the process of implementation of this method．Application results show that the method has high practice value and popularization sense because of its simplicity and high precision．
Key words：Practicality；High accuracy；Phase detector processing；Analog multipliers；Filter
44.利用插值法和曲线拟合法标定电涡流传感器
于 鹏1， 许媛媛2
（1.西南电子电信技术研究所，四川 成都 610041；2.成都飞机设计研究所，四川 成都 610041）
摘 要：首先介绍了插值法和曲线拟合法的基本类型及数据模型，然后介绍了如何利用两种方法结合建立传感器输出与位移的对应关系，即传感器的标
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