A method to count and divide the moiré fringe signal is provided, which can achieve high speed direction recognition and reversible counting.
本文提出了一种莫尔条纹计数细分方法，可以完成高速鉴向及可逆计数。
2
A detection system for counting shift number of interference fringe is established.
在检测系统中实现了对干涉条纹移动量的计数。
3
To overcome the limitation of fringecounting and phase analysis, a new method based on the time-frequency analysis is proposed to process the self-mixing interference signal.