有循环检测，周期性检测，随机调制信号下的模拟ppm，包括最小二乘法、SVM、神经网络、1_k近邻法,信号维数的估计，包含优化类的几个简单示例程序。- There are cycle detection, periodic testing, Random ppm modulated analog signal under Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Signal dimension estimates, Optimization class contains several simple sample programs.