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automatic test System of the Antenna Characteristic

Automatic Test System of the Antenna Characteristic

引用

2002 3rd International Symposium on Electromagnetic Compatibility

作者： WU Ran WEN Yinghong ZHOU Kesheng EMC Research section Northern JiaoTong University

ISBN: (纸本)0780372778

＜正＞Antenna is a component used to transmit or receive electric wave in wireless communicating *** the transmitting terminal its primary function is to change electrical current of high frequency transmitted by transmitter or transmission line into wireless wave and transmit it into space;at the receiving terminal it change the energy of the wireless wave into electrical current. Then,we can regard antenna as transforming equipment between conducting waves and radiate *** has an important influence on normal working of wireless communication,broadcast,orientation and telemetry *** has influence on EMC as important as which it has on *** EMC emission measurements,EMI testing and EMS testing included;antenna acts as the receiving component and the transmitting component *** is the important equipment that receiving the energy of radiation and it also is the important equipment that sends electromagnetic signal to the object that being ***, if there is no antenna,we cannot go on our EMC testing. Any antenna has some characteristic parameters,which can be used to estimate this antenna’s *** characteristic parameters include antennas impedance, directional property,antenna gain,posture,and antenna’s polarization characteristic,which determine an antenna is fine and the area it can be used ***,these characteristic parameters have a great influence on the measuring result and some area it used in. As every worker of EMC testing known,it is very difficult that measure an antenna’s characteristic parameters,and some of which are even not measured by the current *** people try to measure them,but it takes much time and labor testing with conventional testing method（*** by hand）.What’s more,it is easily to bring testing *** with the high development of computer and the emergence of advanced testing equipments,it is necessary and possible to design a convenient automatic testin

关键词： transmitting antennas receiving antennas antenna testing automatic test equipment microstrip antennas automatic test system electric wave wireless communicating system transmitting terminal receiving terminal transforming equipment EMC EMS EMI receiving component transmitting component impedance directional property antenna gain posture polarization characteristic

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Development of High Density Surface Mount Assemblies for Radar System

Development of High Density Surface Mount Assemblies for Rad...

引用

1996 CIE International Conference of Radar(ICR’96)

作者： Yan Wei Qian Rong Jiang Hong Chen Wei Liang Peinang Nanjing Research Institute of Electronic Technology

＜正＞This paper presents the design principles of high density surface mount assemblies （HDSMA）for radar system with surface mount technology（SMT）,describes the key procedures（electronic design automation, manuf... 详细信息

ISBN: (纸本)0780329147

关键词： radar equipment surface mount technology circuit CAD automatic test equipment high density surface mount assemblies radar system surface mount technology SMT electronic design automation manufacture computer-aided test

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Research on the Technology of RFSS in Large-scale Universal Missile ATE

Research on the Technology of RFSS in Large-scale Universal ...

引用

2006 CIE International Conference on Radar

作者： Bao Hu 1 2 Li ShangSheng 2 Li Qiang 1 Teng JianFu 1 (1.School of Electronic Information Engineering Tianjin University Tianjin 300072 China.2.Department of Electronic Engineering Naval Aeronautical Engineering Institute Yantai 264001 China.)

This paper addressed the application technology of Radio Frequency Simulation System （RFSS）.The realization was applied to a large-scale universal missile automatic test equipment （ATE）.Mathematic model and operating principle of two most important kinds of final guidance radar RF simulation system were described,including pseudo-coherent frequency agile radar and pulse Doppler （PD） *** developed an integrated system with modularization configuration,which was characterized by its versatility and expandability.

关键词： automatic test equipment Pulse Doppler radar Radar testing Radar simulation

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