数字信号编码器使能端 digital signal coder enable
现代编码器不只应用在CD - ROM领域，而且也是一种传输信号的手段，编码器使用一些数字信号处理器来构成视频编码器。
Modern encoders are not only used in the CD-ROM area, but also as a means of transmitting signals, they use a number of digital signal processor to form a vision encoder.
该系统采用光电编码器作为速度检测传感器，控制方式采用PID数字控制，控制输出采用PWM数字信号至驱动电路对电机调速。
This system USES photoelectric coder as speed detecting sensor, USES PID digital controller as control method, USES PWM signal as control output to regulate speed.
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