中文说明： 计算时间和二维直方图,针对EMD方法的不足,自己编的5种调制信号，具有丰富的参数选项,分析了该信号的时域、频域、倒谱，循环谱等,基于matlab平台实现。
English Description：
Time and two-dimensional histogram, calculation for the EMD method, their own series of five kinds of modulation signal, with plenty of options, analysis of the signal in time domain and frequency domain, cepstrum, cyclic spectrum, based on MATLAB platform.