m法t法编码器测速 verilog语言 m法采样时间可调 t法间隔周期可调-m method t method m encoder velocity verilog language law law sampling time interval period adjustable adjustable t

实现编码器鉴向和4倍频，可用于电机测速等。(To achieve encoder and 4 times the frequency, can be used for motor speed and so on.)