描述：matlab的Atan2函数与vb.net的Atan2函数计算结果并不一致。该程序用vb.net实现了matlab的Atan2函数。,discritption: in matlab, the function of atan2 is different from which in vb.net,the algorithm i subscr ipt in vb.net is the same as which in matlab

一种利用atan2方法的四步相移法的相位提取程序-Four-step phase shift method to extract phase