中文说明： music高阶谱分析算法，随机调制信号下的模拟ppm，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块，关于小波的matlab复合分析，应用小区域方差对比，程序简单，在matlab环境中自动识别连通区域的大小。
English Description：
Music higher order spectral analysis algorithm, random modulation signal simulation ppm and Simulation of OFDM system with 16QAM modulation FFT and window added CP module, on wavelet matlab composite analysis and application of small regional variance contrast, the program is simple, in the MATLAB environment, automatic identification connected regions.