通过循环谱分析信号的方式达到对各种数字通信信号的调治识别,这是一种很好的方式,具体实现算法有FAM,SSCA,SCOUT等，-Through the cycle of signal spectral analysis approach to achieve the various digital communication signal modulating recognition, this is a good way to achieve a specific algorithm FAM,

循环谱工具箱,包括快速FAM SSCA 二阶循环累积量，高阶循环累积量-cyclic spectrum toolbox