一种多波束阵列天线系统发射通道幅相误差环路校正方案。采用了经过空域DFT变换的m/WH复合正交码作为校正测试信号。-A multi-beam array antenna system loop transmit channel amplitude and phase error correction scheme. After airspace using DFT transform m/WH complex orthogonal code as calibration test signal.