What is PWM and why is it useful?
什么是PWM和为什么它有用吗？
Second, a new PWM modulation technology is get in used.
其次，采用了新一代的PWM调制技术；
We also need to send a default PWM signal to pause a car.
我们还需要一个默认的PWM信号发送暂停了一辆汽车。
It is helpful for further research to SRD with voltage PWM.
本文有助于进一步开展SRD电压pwm方式研究。
The velocity of motor in driver is controlled in PWM manner.
驱动模块的电机速度采用PWM方式进行控制。
PWM rectifier technology has a bright future for the industry application.
PWM整流技术具有非常广泛的应用前景。
PWM control technology is the most popular technology in inverter circuit.
PW M控制技术是逆变电路中应用最广泛的技术。
As a result, a uniform directive idea on realization of PWM mode does not exist.
因此在PWM实现方式上，缺少统一的指导思想。
The power factor of PWM are welding power source has been discussed in this paper.
本文讨论了脉宽调制(PWM)逆变式弧焊电源的功率因数。
Carry on overall research to various kinds of production method of PWM in the paper.
文中对各种PWM的产生方法进行了全面研究。
Smart Car 51 microcontroller PWM speed control, the use of timers to solve the problem.
智能车51单片机p WM调速，利用定时器来解决这个问题。
Finally, noise sensitive parameters B in radiation hardened of PWM is found in this paper.
最后经过优化提出了PWM控制器伽玛辐照损伤噪声最优表征参量噪声幅值B值。
Apply PWM control technology, outstanding constant current property, precise current control.
采用(PWM)控制技术，恒流特性好，电流控制精确。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。
One of the high performance direct current PWM control system based on TMS320LF2407A is introduced.
介绍了一种基于TMS320 LF 2407a的高性能直流pwm控制系统。
One of the high performance direct current PWM control system based on TMS320LF2407A is introduced.
介绍了一种基于TMS320 LF 2407a的高性能直流pwm控制系统。
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