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。
Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.
首先，对侦察雷达所能探测到的目标雷达信号的载频、脉宽、重频，应用证据理论将其组合，得到雷达参数的联合概率分配函数。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
The delay that pulse width generator 404 provides to signal VIN varies in response to variations in the signal from diode 405 and the select signal.
脉冲宽度发生器404提供给信号VIN的延迟响应来自二极管405的信号和选择信号的变化而改变。
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。
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 pulse width generator 404 receives a signal from diode 405 and a select signal.
脉冲宽度发生器404接收来自二极管405韵信号和选择信号。
This integrated circuit control the frequency and pulse width of the high voltage IC output signal conveniently by adjusting the input date of IC digital input port.
该集成电路通过对数字输入端口的输入数据的调节，灵活的控制了高压开关集成电路输出信号的频率和脉宽。
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。
Real time tissue temperature control algorithm, ultrasound applicator water temperature control and pulse width modulation (PWM) signal generation are described.
阐述了组织温度控制算法、治疗头水温控制以及脉宽调制信号产生三个系统核心子模块的设计。
The pulse width of the key control signal SPWM is acquired by the sampling method based on median rule.
关键的控制信号SPWM的脉冲宽度采用中值规则采样法来求取。
Introduces two usual remote control signal encoding methods: pulse width modulation, pulse space ratio modulation.
介绍了两种常用的红外遥控信号的编码方法：脉冲占空比编码调制，脉冲宽度编码调制。
The paper aimed at the adoption of the IGBT SPWM (Sinusoidal Pulse Width Modulation) signal source and IGBT test system research for the production of IGBT manufacturer to provide testing methods.
本文旨在通过对IGBT的SPWM信号源及IGBT测试系统的研究，为生产IGBT的厂家提供可借鉴的测试方法。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
R2, R3, and C2 form an integrator, which produces an output voltage proportional to the pulse width of the input signal.
R2的，R3的，和C2形成一个集成，产生一个输出电压成正比的脉冲宽度的输入信号。
State machine 515 can dynamically change the state of the select signal that controls multiplexer 510 to adjust the minimum pulse width of the UP and DN signals.
状态机515可动态改变控制乘法器510的选择信号的状态以调整UP和DN信号的最小脉冲宽度。
After presenting the principle of neutral point pulse width injection methods, the choosing methods of neutral point injected signal and the neutral point connecting resistance are discussed;
在介绍中性点脉宽注入法原理的基础上，讨论了中性点注入信号和中性点接入电阻的选取方法；
The pulse energy and pulse width for different small signal transmission ratios of Q-switching crystal and different reflection indices of output mirror were simulated.
重点分析了调Q晶体小信号透过率和反射镜的反射率对激光器的输出能量、脉冲宽度的影响。
Numerical simulations reveal that different inserted time, amplitude and width of pulse signal will influence maximum radius and collapse velocity of bubble.
脉冲加入的时间、脉冲幅度和宽度影响气泡最大半径和气泡崩溃速率。
A programmable pulse signal generator is used for controlling laser frequency, pulse width and power, when the laser pulse is controled by a computer, it can generate a series of laser pulses.
用可编程脉冲信号发生器控制激光脉冲的频率、脉宽和功率，使激光脉冲在微机控制下可组成各种激光脉冲序列。
A basic frame of direct current pulse width mode of servo control system is presented. Algorithm is realized by embedded digital signal processor.
提出了一种直流脉宽调制伺服控制系统的基本框架，其算法通过嵌入式数字信号处理器(DSP)来实现。
The field pulse signal forming and width control circuit generates a field pulse signal A with the width being controlled by the accompanying sound electric level.
场脉冲信号形成及宽 度控制电路产生宽度受伴音电平控制的场脉冲信号A。
Receiving the third signal and based on a reference voltage, the switching circuit controls the pulse wave width of the switching signal so as to adjust output current of the power converter.
切换电路接收第三讯号并依据一参考电压，以控制切换讯号的脉波宽度，所以可调整功率转换器的输出电流。
The detailed principle of detection is presented. The relationship of range accuracy and signal-to-noise ratio with laser power, telescope diameter, and pulse width are numerically simulated.
详细讨论了这种方法的实现方案，并对方案中的激光发射功率、望远镜口径以及脉冲宽度对距离精度及信噪比的影响进行数值模拟。
The detailed principle of detection is presented. The relationship of range accuracy and signal-to-noise ratio with laser power, telescope diameter, and pulse width are numerically simulated.
详细讨论了这种方法的实现方案，并对方案中的激光发射功率、望远镜口径以及脉冲宽度对距离精度及信噪比的影响进行数值模拟。
应用推荐