通过该设定,调制信号的调制宽度减小。
This setting decreases the modulation width of the modulation signal.
高频脉冲宽度调制电力控制系统,可以实现用半导体开关。
High frequency pulse width modulation power control systems can be realized using semiconductor switches.
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。
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.
或者换句话说,脉宽调制是一种调制技术,为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
用继电器即可;但如果需要调速,可以使用三极管,场效应管等开关元件实现PWM(脉冲宽度调制)调速。
With the relay can be; but if you need to speed, you can use the transistor, FET and other switching elements to achieve PWM (pulse width modulation) speed.
结果表明:啁啾光脉冲的振幅调制深度和相位扰动深度越大,则压缩后的光脉冲对比度越小;啁啾光脉冲的振幅调制周期和相位扰动周期越小,则压缩光脉冲的预脉冲宽度越大。
The simulations show that more amplitude modulations and phase perturbations lead to lower contrast of the compressed pulse, and bigger modulation cycle results in wider pre-pulse width.
本文提出了沃尔什函数作多路复用传输时的另一种调制制式——宽度调制。
In this paper we suggested the width modulation-another modulation method of Walsh function in the multiplex system.
推导了非同步型脉冲间隔与宽度双重调制(P I W M)的频谱及其特点。
The frequency spectrum and characteristics of pulse interval and width modulation (PIWM) are derived in detail.
因使用PWM(脉冲宽度调制)电路,产品具有较宽的调光范围。
Because of built-in PWM circuit (pulse width modulation circuit), dimming range is wider than earlier type products.
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。
Detailed description of the space vector pulse width modulation principle, useful for beginners.
由分析得到,对于确定的光源光谱宽度,波导端面反射率只有取合适的值,才能取得最灵敏的调制效果。
By analysis it is shown that the maximal modulation sensitivity comes from an appropriate end reflection coefficients of OWFPM for a certain light source spectrum width.
针对大功率逆变器的应用介绍了一种基于不对称开关角的优化脉冲宽度调制方法。
A new optimal pulse width modulation (PWM) technique with unsymmetrical switching angles was introduced for high power applications.
脉冲宽度调制或PWM,是通过数字均值获得模拟结果的技术。
Pulse Width Modulation, or PWM, is a technique for getting analog results with digital means.
在第二子模式(“低输出功率子模式”)中,使用脉冲宽度调制来调节VOUT,但转换器开关频率固定在第一频率。
In a second sub-mode ('low output power sub-mode'), VOUT is regulated using pulse width modulation, but the converter switching frequency is fixed at a first frequency.
一种食物垃圾处理器,具有利用脉冲宽度调制(“PWM”)驱动的电机。
A food waste disposer has a motor driven with pulse width modulation (' PWM ').
直流电机位置用脉冲宽度调制法控制。
Position control of d. c. motors has been done by means of pulse width modulation .
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置,具有功率因数高、谐波电流小、再生方便等优点。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
改变变频器的输出电压或输出电流有二种不同的方法,即PAM脉冲幅值调制控制和PW M脉冲宽度调制控。
Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.
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.
脉冲宽度调制控制器,包括一个禁用单位,水平传感器和过电流保护。
A pulse width modulation controller comprises a disabling unit, a level sensor and an over current protector.
一种数字电路实现的脉冲宽度调制控制在可以将其建模为二阶或更高阶系统的系统中传输的电力。
A digital circuit implementing pulse width modulation controls power delivered in what one can model as a second order or higher order system.
然而,逆变器输出的PWM(脉冲宽度调制)连续高压脉冲的上升沿很陡、频率很高,导致在脉冲电压下牵引电机绝缘过早失效。
However, Pulse Width Modulation (PWM) which was input from inverter is characterized by steep rising edge and high frequency, resulting in the too early failure of motor insulation.
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。
The digital pulse width modulator adopts CMOS technology and is suitable for a variety of speech synthesis integrated circuits.
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;
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.
旨在对arm的深入学习,论文对STM 32定时器产生PWM(脉冲宽度调制)输出进行了研究。
On the intention of study on ARM, timer of STM32 produce pulses PWM (width modulation) is studied in this paper.
控制器:脉冲宽度调制电子最高的效率。
Controller: Pulse width modulation electronic for highest efficiency.
该文首次将粒子群算法用于三电平正弦脉冲宽度调制开关时刻的优化。
Particle swarm optimization is firstly applied to optimize a three level voltage pulse width modulation inverter in this paper.
对宽度调制的脉冲系统的分析比较困难。
It is difficult to analyse the sampling Control system with pulse width modulation.
介绍一种宽脉冲调制器的工作原理和设计方法,依照此思路设计的脉冲调制器,对输出脉冲的宽度基本上没有限制。
The paper describes the design method of a wide pulse modulator. The output is ideally any width in accordance with the design idea.
介绍一种宽脉冲调制器的工作原理和设计方法,依照此思路设计的脉冲调制器,对输出脉冲的宽度基本上没有限制。
The paper describes the design method of a wide pulse modulator. The output is ideally any width in accordance with the design idea.
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