中文说明： 包括调制，解调，信噪比计算，计算目标和海洋回波的功率谱密度,使用高阶累积量对MPSK信号进行调制识别，是国外的成品模型，基于互功率谱的时延估计，主要为数据分析和统计。
English Description：
It includes modulation, demodulation, signal-to-noise ratio calculation, power spectral density calculation of target and ocean echo, modulation recognition of MPSK signal by using high-order cumulant. It is a foreign finished product model. Time delay estimation based on cross power spectrum mainly includes data analysis and statistics.