用小波默认阈值法对unlvYdc散斑图进行去噪，还包括用相移法和最小二乘法求相位及去包裹kkBxZVJ计算流程。-Using the wavelet default threshold method to unlvYdc speckle image denoising, but also includes the phase shift method and the least square method to calculate the phase and to wrap kkBxZVJ computing process.