天线方向图自动测试系统的设计

天线方向图是雷达的一项重要性能指标,方向图的自动测试在雷达性能测试中占有极其重要的位置。介绍了天线方向图测试原理,设计了一种雷达天线方向图自动测试系统。分析了该方向图自动测试系统的电路组成及信号采集与数据处理原理。控制电路由单片机组成,角度录取采用角度-数字转换模块。该系统在信号录取、角度录取、数据处理、方向图绘制方面全部实现了自动化,具有精度高、测量速度快、性能稳定、价格低廉的特点。

Design on Antenna Pattern Automatic Measurement

The antenna pattern is an important performance parameter of radar,and its automatic measurement is possessed of an important position in radar performance measurement.The principle of antenna pattern automatic measurement is introduced,and an automatic measurement system of radar antenna pattern is designed.The circuit and principle of signal sample and data processing are analyzed.The control circuit is composed of single chip microcomputers,and angle-digital converter is adopted.The system whose signal extraction,angle extraction,data processing and pattern plotting are automatic has the quality of high accuracy,high testing velocity,high reliability and low price.The hardware of this system and the principle of signal extraction and data processing are analyzed.