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。
With the aim to improve the measuring precision of a roll angle based on Moiré fringe method, the influence of inconsistent periods of two gratings on the measurement precision is analyzed.
为了提高用莫尔条纹法测量扭转角的测量精度，分析了光栅周期不一致对扭转角测量误差的影响。
With the aim to improve the measuring precision of a roll angle based on Moiré fringe method, the influence of inconsistent periods of two gratings on the measurement precision is analyzed.
为了提高用莫尔条纹法测量扭转角的测量精度，分析了光栅周期不一致对扭转角测量误差的影响。
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