阐述了光电式速度传感器获取光电信号，跟踪滤波输出的随机窄带基波信号、波形预处理及应用。
To obtain photoelectric signal of the photoelectric speed sensor, tracking to filtering narrow band random base-wave which is output, voltage wave beforehand transaction and application are expounded.
分析了该光电传感器的工作原理及信号特点，设计了适合处理该信号的窄带通跟踪滤波器。
The principle and characteristic of the signal generated lay the sensor is analyzed. The narrow pass band following up filter, which fits to regulate the signal, is designed.
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