This research is aimed to get higher quality functions by use of single- chip processor and way of pulse frequency modulated (PFM) or pulse width modulated (PWM).
用单片机作为控制手段，采用脉冲调频（或调宽）方法，达到了较理想的控制品质。
A novelty space vector pulse width modulation (SVPWM) technique for the two-phase inverter-fed asynchronous motors system is proposed, which can be widely used in the low or middle power level field.
研究了二相逆变器-异步电动机系统的空间矢量脉宽调制(SVPWM)控制技术。
The front panel controls allow the user to set pulse width and frequency independently, or to set frequency and duty cycle, which then sets the pulse width accordingly.
前面板控制允许用户设置脉冲宽度与频率或先设置频率与占空因数，再设置脉冲宽度。
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。
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.
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。
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。
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。
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.
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。
Pulse Width Modulation, or PWM, is a technique for getting analog results with digital means.
脉冲宽度调制或PWM，是通过数字均值获得模拟结果的技术。
To get varying analog values, you change, or modulate, that pulse width.
为了得到不同的模拟值，你可以更改，或调节脉冲宽度。
An intelligent instrument used for measuring the width of ultrashort laser pulse is presented. Combining with a noricollinear SHG correlator, time resolution of 0.1 psec or better can be obtained.
将智能化激光超短脉冲宽度测量仪与非共线二次谐波相关仪相结合，可获得0.1微微秒或更优的时间分辨率。
A digital circuit implementing pulse width modulation controls power delivered in what one can model as a second order or higher order system.
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。
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarm sensor based on pulse-width anti-narrow is proposed.
为了减少无人看守的水池或游泳池中小孩的溺死事件，提出了一种基于脉宽反窄的水池警报传感器设计方法。
Positive polarity machining should be used whether the pulse width is big or small.
认为无论脉宽大小均应采用正极性加工。
It includes several modules of the relationship between current and voltage, voltage and current, resistance and pulse width or height, fatigue characteristics.
该系统主要有电流与电压关系测试、电压与电流关系测试、电阻与所加的脉冲信号关系的测试和疲劳特性测试等模块组成。
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。
With the simulation, it's demonstrated that the output pulse width is a function of the pulse repetition rate or the fiber length.
通过模拟计算，证明高重复频率下锁模脉冲有随光纤缩短而变窄的趋势。
In this paper, research is done on alloy TC4 machined by EDM using graphite electrode. Positive polarity machining should be used whether the pulse width is big or small.
对使用石墨电极进行电火花加工钛合金tc4进行了研究，认为无论脉宽大小均应采用正极性加工。
In this paper, research is done on alloy TC4 machined by EDM using graphite electrode. Positive polarity machining should be used whether the pulse width is big or small.
对使用石墨电极进行电火花加工钛合金tc4进行了研究，认为无论脉宽大小均应采用正极性加工。
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