Figure 19 shows the resulting output pulse-width modulation.
图19显示的是脉冲调制的输出结果。
The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.
该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。
Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width (pulse-width modulation, PWM).
两种形式的输出幅度可以通过改变直流电源电压或通过改变脉冲宽度(脉宽调制pwm)来控制。
The way of pulse-width adjustment which can change the size, the direction and the action time of the electromagnetic resultant force in the stepping motor.
分析了步进电机产生低频振荡的原因，提出了一种新控制方法—脉宽调整法。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
You choose what polarity of edge you wish to trigger off of, and like Pulse-Width trigger you set your time ranges.
你选择好想要触发的边缘极性，像脉宽触发那样设置好时间范围。
The generating and controll of Sinusoidal Pulse-Width Modulation (SPWM) waveforms is one of the core technology of frequency conversion.
而SPWM（正弦波脉宽调制）波的产生和控制则是变频技术的核心之一。
Pulse width modulation is widely used in voltage regulators.
脉宽调制技术是广泛应用于稳压器。
FIG. 5 illustrates an example of a pulse width generator with two alternate delay paths, according to another embodiment of the present invention.
图5图示说明依照本发明的另一实施例具有两个交替延迟路径的脉冲宽度发生器的示例。
The phase frequency detector adjusts the minimum pulse width of the one or more output signals using the temperature sensing circuit to compensate for temperature variations.
相位频率检测器用温度感测电路调整一个或更多个输出信号的最小脉冲宽度从而补偿温度变化。
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.
它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。
Therefore, it would be desirable to provide a phase frequency detector that has a controllable minimum pulse width.
因此，需要提供具有可控制最小脉冲宽度的相位频率检测器。
According to further embodiments of the present invention, pulse width generator 404 can have 3, 4, 5, 6, or more separate delay paths.
依照本发明进一步的实施例，脉冲宽度发生器404可具有3,4,5,6或更多个分离的延迟路径。
And pulse width signal is sent to SD-M-3002 special circuit, to complete such controls as counting, decoding, pulse distribution, etc.
并将脉冲宽度信号送至SD-M - 3002专用电路完成计数、译码、脉冲分配等控制。
The experimental results show that a bigger diffraction efficiency delay rate can make the establishing time of the laser pulse and the pulse width shorter, and make the peak power higher.
实验结果表明，在一定范围内增大衍射延迟速率可以缩短脉冲建立时间，缩短脉冲宽度，增加峰值功率。
Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
FIG. 3 is a timing diagram that illustrates an example of a minimum pulse width in the DN output signal of a phase frequency detector, according to an embodiment of the present invention.
图3是依照本发明实施例的时序图，其图示说明相位频率检测器的DN输出信号中最小脉冲宽度的示例。
Position control of d. c. motors has been done by means of pulse width modulation .
直流电机位置用脉冲宽度调制法控制。
Pulse width generator 404 can include, for example, one or more delay circuits.
脉冲宽度发生器404可包括例如一个或更多个延迟电路。
The time delay and pulse width also depend on propagation distance.
脉冲时间延迟和脉冲宽度还随传输距离发生变化。
Frequency, current, voltage and pulse width of successive wave and intermittent wave were similar. Frequency, current, voltage and pulse width of sound electric wave changed continuously.
连续波与断续波（续波）的频率、电流、电压、脉冲宽度均相同，声电波的频率、电流、电压、脉冲宽度均为不断变化的。
User may specify the DC bias, measurement amplitude, and pulse width of the measurement signal.
用户可以设定测量信号的直流偏压，测量振幅，脉冲宽度。
It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。
The digital pulse width modulator adopts CMOS technology and is suitable for a variety of speech synthesis integrated circuits.
本文所设计的数字脉冲宽度调制器采用CMOS工艺，适合于不同的语音合成集成电路。
In addition, the changes of the laser pulse width and pulse frequency to affect the weld width were investigated.
此外，对激光脉冲宽度及脉冲频率对焊缝宽度的影响作了深入研究。
Detailed description of the space vector pulse width modulation principle, useful for beginners.
说明：详细地讲述了空间矢量脉冲宽度调制的原理，对于初学者很有用。
In addition, the laser pulse width decreases as the gas pressure increases.
另外，激光脉冲宽度随气压的升高而减小。
This controller integrates pulse width modulation(PWM) and pulse density modulation(PDM) together, and can easily change between the two modulations.
该设计集成了脉冲宽度调制（PWM）和脉冲密度调制（PDM）两种调制方式，并可以在两者间切换。
This controller integrates pulse width modulation(PWM) and pulse density modulation(PDM) together, and can easily change between the two modulations.
该设计集成了脉冲宽度调制（PWM）和脉冲密度调制（PDM）两种调制方式，并可以在两者间切换。
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