包括最小二乘法、SVM、神经网络、1_k近邻法,本程序的性能已经达到较高水平，这是一个好用的频偏估计算法的matlab仿真程序。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, The performance of the program has reached a high level, This is a useful frequency estimation algor