... pulse frequency 脉冲重复频率,脉冲频率 pulse frequency control 脉冲频率控制 pulse frequency discriminator 脉冲鉴频器 ...
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pulse frequency modulation control system [自] 脉冲调频控制系统
Bidirectional Pulse Variable-Frequency Control 脉冲变频控制
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
High frequency pulse width modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
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