这是一个利用最小二乘法实现的labview仿真系统辨识程序。,this is a labview program

四步相移法程序和最小二乘法相位解包裹程序，已经验证，此方法比较不错。-Four-step phase shift method and the method of least squares program phase unwrapping process has been verified that this method is relatively good.