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- The brightness data of the PWM signal for each LED is stored in three 10-bit registers. 每个LED的PWM信号的亮度数据保存在三个10位的寄存器中。
- Below the speed limit, the signal noise ratio of the BEMF signal that is superposed by the PWM signal is too low. 低于这个最起码的初始工作速度，反电动势将被淹没在PWM信号里。
- Adopting C2051one-chip controller,the author devises a new generator for PWM signal to improve the speed of the valves. 采用2051单片机,设计了一种新型的PWM信号发生器,并开发了上下限保护电路,使其快速性得到了进一步的提高。
- Single flyback converter circuit, as well as the PWM signal, is used to control the MOSFET. 使用单端反激变换器电路，用PWM信号控制开关管MOSFET。
- The control circuit adopted the TL494 as the main control chip and produced the PWM signal for controlling the MOSFET. 控制电路采用TL494作为主控制芯片，产生脉宽可调的脉冲信号控制开关管的通断。
- By using a monostable multivibrator consist of 555 timers, a circuit of threshold processing PWM signal's duty cycle is proposed. 采用555定时器构成单稳态触发器，设计出一套PWM波形占空比门限处理电路。
- This paper brings forward a method of threshold processing PWM signal s duty cycle by employing monostable multivibrator. 提出了采用单稳态触发器对采集的PWM波形进行占空比门限处理的方法。
- PWM signal is still time because in any given moment, the full magnitude of the DC power supply or fully (ON), or no (OFF). PWM信号仍然是数字的，因为在给定的任何时刻，满幅值的直流供电要么完全有(ON)，要么完全无(OFF)。
- Introd uce detailed the several important part, especially the motor control part and t he produce theory of the PWM signal. 给出了一个控制算法，经过实验说明了该设计的可靠性。
- The system is controlled by a MCU(89C2051), it can producevariable PWM signal to drive BCR, then to realize the propose ofregulating power and speed. 为解决市场上风机型电暖气调功调速问题,本文利用单片机产生两路可变的PWM信号,控制双向可控硅的导通角,实现调功调速的目的。
- The DSP is responsible for parameter and register read/write, optical encoder and current feedback signal processing, and PWM signal generation. DSP系统主要负责参数与暂存器写入与读取、光编码器解码、电流回授讯号、以及PWM讯号之产生。
- The controller uses the TMS320F240 of TI company as the main control unit and produces the on and off and PWM signal of each phase controlling the power element on and off. 针对SR电机的控制特点，充分利用了DSP的硬件资源，对控制器的硬件电路进行了设计，控制器以TI公司的TMS320F240为主控单元，采用PT数字调节，发出PWM信号，并和电流、电压等保护信号以及位置信号相结合，实现对主动率元件的通断控制。
- The PWM generator, which mainly consists of PWM signal generating block and IGBT-IPM's Fault protection block, is characterized by flexible, general and easy to extend. 该发生器包括PWM信号产生和IGBT-IPM模块故障保护两大部分，具有灵活、容易扩展、通用等优点。
- Points out the inadequacy of the sine PWM (pulsewidth modulation)signal and general PWM signal for CVCF (constant voltage & constant frequency)inverters and proposes the PWM Step-wave Signal as a new scheme. 指出用于CVCF逆变器控制中的SPWM及普通PWM信号产生方案的不足,在此基础上提出一种通过脉宽调制阶梯波来合成正弦波的方案。
- Experiment based on HFBR-1524 transmitter and HFBR-2524 receiver has proved PWM signals can be transferred precisely. 设计了由HFBR-1524发送器和HFBR-2524接收器组成的光纤连接电路。
- When the saturable inductor has not saturated,the magnetic switch shuts down, and when it saturates, it works in a directshort condition.So we can modulate the PWM signal using a saturable inductor. 工作在饱和条件下;磁开关闭合;PWM信号输入有效;以此实现了对PWM信号的调制.;通过对可饱和电感复位程度进行控制;即对复位后磁通密度的大小进行调节;从而可方便且经济地调节PWM脉宽
- The basic concept of class D amplifier is to convert the input analog signal into a pulse width modulated signal (PWM signal), then the PWM signal is demodulated to reconstruct the analog signal. 类功率放大器的基本概念就是将欲放大的信号转化为脉宽调制信号，用来驱动开关逆变器。
- The system used a TMS320F240 and two GAL16V8DS producing 12 PWM signals to control the three-phase full-bridge inverting circuit to commutate electrically,then drived two brushless DC motors. 采用TMS320F240芯片和两片GAL16V8D产生12路PWM信号控制三相全桥逆变电路,实现了电子换向,进而驱动两台无刷直流电动机。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Through MATLAB toolbox of RTW and the real-time simulation system dSPACE, PWM signals have been achieved and the real-time simulation of CVT has been made. From the simulation results, we can come to a conclusionthat the model is valid. 通过MATLAB RTW实时仿真工具箱和dSPACE实时系统,产生电磁阀所需的PWM信号,对无级变速器进行实时仿真,仿真结果说明了所建实时仿真模型的正确性。
