中文说明：代码里有很完整的注释和解释，对信号进行频谱分析及滤波，用MATLAB实现的压缩传感，分析了该信号的时域、频域、倒谱，循环谱等,正确率可以达到98％，是国外的成品模型。
English Description：
The refined model of foreign code is a complete annotated and explained, the signal were filtering and spectrum analysis, using MATLAB to achieve compressive sensing, analyzes the signal in time domain and frequency domain, cepstrum, cyclic spectrum, the correct rate can reach 98%.