自跟踪相控阵接收系统标校方法研究  

Research on Calibration of Auto-tracking Phased Array Receive System

作　　者：陈仕进[1] 

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《无线电工程》2008年第11期31-33,共3页Radio Engineering

摘　　要：无人机多目标测控系统可采用相控阵体制实现。对于相控阵系统除了天线之外还包含了信道设备,相控阵系统中各通道的标校对于和、差波束的形成至关重要。通过实例介绍了一种相控阵系统中通道标校方法,该方法借助1台矢量电压表,对各通道从场放入口到和、差信号中频输出口的幅度和相位进行了标校。通过对标校误差对系统和差波束形成的影响分析,给出了工程实现中对通道标校误差的指标分配要求。Multi-object monitoring and control system of UAV can be realized by using phased array system. The phased array system includes the channel equipment besides the antenna, and the calibration for every channel is very important for formation of sum and difference beam. This paper gives an example to introduce a channel calibration method of phased array system. This method calibrates the amplitude and phase of various signals from the entrance of LNA to the intermediate frequency output of sum and difference signal of all channels through a vector voltage meter. It analyzes the influence of calibration error on system and the formation of sum and difference beam, and gives the principles of calibration error assignment for all channels in the engineering.

关 键 词：相控阵体制 和差波束 标校 

分 类 号：TN78[电子电信—电路与系统]