[1]余亚飞,贾平平. 微波暗室远场天线测试转台伺服系统的设计[J].计算机技术与发展,2015,25(10):214-217.
　YU Ya-fei,JIA Ping-ping. Design of Rotating Platform Servo System for Far-field Antenna in Microwave Darkroom[J].,2015,25(10):214-217.
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 微波暗室远场天线测试转台伺服系统的设计()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年10期
页码:
214-217
栏目:
应用开发研究
出版日期:
2015-10-10

文章信息/Info

Title:
 Design of Rotating Platform Servo System for Far-field Antenna in Microwave Darkroom
文章编号:
1673-629X（2015)10-0214-04
作者:
 余亚飞; 贾平平
 南京邮电大学 通信与信息工程学院
Author(s):
 YU Ya-fei; JIA Ping-ping
关键词:
 ; 微波暗室; 天线测试; 转台伺服系统; 天线方向图
Keywords:
 ; microwave darkroom; antenna test; rotating servo system; antenna patter
分类号:
TP302.1
文献标志码:
A
摘要:
 高性能天线的研发离不开一套高精度的测试系统。天线测试系统主要包括转台伺服系统、测试仪器、监控系统。其中转台伺服系统的优劣直接影响到微波暗室天线测试的准确性，因此伺服系统的设计显得十分重要。文中设计的微波暗室天线测试转台伺服系统通过ARM处理器控制电机的转动，调整被测天线的姿态的同时记录天线的天线图测试数据。系统可以自动完成远场收发双向测量，降低了测试的难度。借助频谱仪，伺服系统能够准确测量天线方向图、主瓣宽度、波瓣宽度、增益等参数。该伺服系统具有测量误差小、抗干扰能力强、测量灵敏度高等特点。随着微波暗室天线测试技术广泛应用到工业项目，该转台伺服系统具有很高的实用价值。
Abstract:
 Development of high performance antenna depends on a high-precision test system. Antenna test system includes servo system, test equipment and monitoring system. The merit of the servo system affects the accuracy of the anechoic chamber antenna test directly. Thus,the design of the servo system is significant. Put forward an antenna pattern test servo system which controls the rotation of the mo-tor through the ARM processor,in order to record the antenna test data while adjusting the measured antenna attitude. This servo system can receive bi-far-field measurements automatically and reduce the difficulty of testing. By means of spectrum analyzer,the servo system can precisely measure antenna pattern,the beam width,the side lobe width,antenna gain and other parameters,which has a small measure-ment error,strong anti-interference ability and is capable of high sensitivity measurements. As the test of microwave anechoic chamber antenna technology is widely applied to industrial projects,this rotating servo system has very high practical value.

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更新日期/Last Update: 2015-11-13