自写曲率计算函数 ,包括最小二乘法、SVM、神经网络、1_k近邻法,直线阵采用切比学夫加权控制主旁瓣比。- Since writing the curvature calculation function, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Linear array using cut than learning laid upon the right contr