包括最小二乘法、SVM、神经网络、1_k近邻法,随机调制信号下的模拟ppm，本程序的性能已经达到较高水平，仿真效率很高的，包括数据分析、绘图等等,FIR 底通和带通滤波器和IIR 底通和带通滤波器。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Random ppm modulated analog signal under The performance of the program has reached a high level, High simulation efficiency, Data analysis, plotting, etc., Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.