作者: Chen Gang , Zhang Xiaohu , Xiao Shenping , Xiao Huiqin , Ling Yun
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摘要: The invention provides a sampling type interference pulse filtering method. method comprises the following steps: an input by clock to obtain value, controlling reversible amplitude limiting counting unit perform addition or subtraction on through control signal, signal and two states of wherein output is cumulative value; judging, ROM memory, according value anti-interference threshold, sending stateof pulse. By adoption method, narrow in can be automatically filtered; effect out performed changing size upper threshold.