多抽样率信号处理，分析了该信号的时域、频域、倒谱，循环谱等,数学方法是部分子空间法，基于互功率谱的时延估计，连续相位调制信号(CPM)产生。- Multirate signal processing, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Mathematics is part of the subspace, Based on the time delay estimation of power spectrum, Continuous phase modulation signal (CPM) to produce.