一种轻巧型接收数字波束雷达系统的实现

An implementation of a lightweight receiver digital beam radar system

针对数字波束相控阵雷达多通道问题,提出利用多路复用技术实现全数字阵接收多波束相控阵雷达的一种解决方案。天线阵列直接采用高频二相调制,将接收多通道直接模拟合成一路传输处理,基带提取各个天线单元回波数据信号、相位幅度加权,基带实现任意接收数字多波束。该技术突破单通道数字波束相控阵雷达接收技术,使天线体积大幅度减小,雷达系统轻巧,低成本;灵活软件配置阵列,降低调试、测试、工艺、加工复杂难度,有利于雷达综合性能提升。

For multi-channel problem of digital beam phased-array radar,multiplexing technology is proposed to achieve full digital array receiving multi-beam phased array radar.The antenna array is modulated by HF dual phase directly,the receiving multi-channel is simulated and synthesized into one channel for transmission processing.The base-band extracts echo signal data from each antenna unit and performs phase amplitude weighting,so as to achieve receiving digital multi-beam.This technology breaks though the receiving technology of single-channel digital beam phased array radar,which makes the volume of antenna greatly reduced,the radar system lightweight,low cost with flexible software configuration array,and improves the performance of radar,as well as reduces the complex level of modulation,test,technique and processing.It helps to improve the comprehensive performance of radar.