The reversible counting can be replaced by this method.
该方法可替代可逆计数。
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。
Anoiher signal with 90 degree delay is obtained by phase shift circuit. The accurate and stable circle counting is done by a reversible counter.
通过移相电路获得相差90度的另一路信号，然后用可逆计数器实现稳定准确的周期计数。
Anoiher signal with 90 degree delay is obtained by phase shift circuit. The accurate and stable circle counting is done by a reversible counter.
通过移相电路获得相差90度的另一路信号，然后用可逆计数器实现稳定准确的周期计数。
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