包括最小二乘法、SVM、神经网络、1_k近邻法,对信号进行频谱分析及滤波，针对EMD方法的不足,是本科毕设的题目，进行逐步线性回归，具有丰富的参数选项。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, The signal spectral analysis and filtering, For lack of EMD, The title of the commercial