中文说明：随机调制信号下的模拟ppm，DSmT证据推理的组合公式计算函数，分数阶傅里叶变换计算方面,意信号卷积的运算,并且绘制图象，主要是基于mtlab的程序，esprit算法对有干扰的信号频率进行估计。
English Description：
Simulation of random modulation signal combination formula function ppm,DSmT reasoning, calculation of fractional Fourier Transforms, signal convolution operation, and drawn images, is mainly based on the mtlab program, ESPRIT algorithm for frequency estimation with interference signals.