通过两个雷达平台相位编码信号的发射验证接收相参N方的信噪比增益； 再利用相同信号的发射接收验证收发相参N立方的信噪比增益。(Signal to noise ratio gain of coherent N receiver is verified by transmitting phase coded signals from two radar platforms; The signal-to-noise ratio gain of transceiver coherent