对采集到的灰度图像进行处理找到衍射条文的极值点。然后在确定波峰的位置得到条纹间距 -On the collection of gray-scale images to find the diffraction provisions to deal with the extreme points. And then in determining the location of peaks to be spaced stripes

Rotating Machinery dimensional hologram of practical spectrum calculation routines, Calculation crosshairs diffraction image at different distances, Minimum mean square error (MMSE) algorithm.