从高精度机相扫雷达的需求出发,分析了传统阵面测角方式的缺陷。论述了以高精度惯性元件构成的惯性测量单元(IMU),在雷达天线阵面测角功能上的工作原理和实现算法。提出了将转台伺服方位信息作为IMU 的量测对象,进行精确对准的方法,达到减小角度误差的发散速度的目的,从而满足系统对天线阵面的测角精度要求。仿真实验验证,结果与要求一致。

Starting from the demand of high precision mechanism-phase scanning radar discusses, the defects of traditional antenna array plan angle measuring method are analyzed, and the principle and implementation of the algorithm of high precision IMU on array plan angle measuring function are discussed. Servo azimuth information is put forward as a measured object of IMU, for precise alignment method, to reduce the divergence speed of angle error aim to meet the requirements of the system against the array plan. And the simulation experiments the result is consistent with the requirements.

TN820. 3