pulse-width modulation
英 [pʌls wɪdθ ˌmɒdjʊˈleɪʃən]
美 [pʌls wɪdθ ˌmɑdʒəˈleɪʃən]
网络 脉宽调制; 脉冲宽度调制; 脉宽调变; 脉冲宽度调变; 脉冲调宽
双语例句
- Pulse-Width Modulation ( PWM) technique is widely applied in many fields.
脉冲宽度调制（PWM）技术在许多领域有着广泛的应用。 - A design method of a high-efficiency, low-power, switching-power DC-DC converter with pulse-width modulation ( PWM) and pulse-frequency modulation ( PFM) modes is presented.
本次毕业设计提出了一种基于脉冲宽度调制（PWM）和脉冲频率调制（PFM）模式的高效率，低功耗开关电源直流电压转换器的设计方法。 - Design of single-phase sinusoidal pulse-width modulation inverter for power supply
一种单相正弦脉宽调制逆变电源的设计 - 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。 - The pulse-width modulation ( PWM) is introduced since it is the most widely used method. The characteristics of the modulation signals in three-leg three-phase inverter and four-leg three-phase inverter are analyzed.
PWM控制是逆变器中应用最广的一种方法，本文对PWM调制技术进行了介绍，分析了三桥臂三相逆变器和四桥臂三相逆变器的调制信号的特点； - Design of Single-phase Sinusoidal Pulse-Width Modulation Inverter for Power Supply The Research on Intelligent Control of Single-Phase Inverter
单相正弦脉宽调制逆变电源的设计单相逆变电源的智能控制研究 - Two main parts of PMSM drive controller, which are position estimation module and SPWM ( Sinusoidal Pulse-Width Modulation) module, are firstly analyzed and compared independently.
先对正弦波无刷直流电动机的驱动控制器的两个重要组成部分，即位置预估模块和脉宽调制模块，分析和比较了它们的众多的算法。 - In this paper, the working principle of the zero-voltage-switching pulse-width modulation ( ZVS-PWM) for spot welding inverter power source and the principle of establishing dead-time are analyzed, the operation principle of DSP's comparator and generating method of PWM square wave with DSP are introduced.
分析了零电压开关PWM逆变点焊电源和死区时间设置的工作原理，阐述了DSP比较单元的工作原理和利用DSP产生PWM方波的方法。 - This article introduces a scheme for the CVCF power source equipment of SPWM with detailed analysis of its survey system. Through sample inspection, the matching problem between the transducer of the pulse-width modulation and motor is overcome in this equipment.
介绍了SPWM稳频稳压逆变电源的设计方案，重点分析了其测量系统，该电源设备通过取样检测电机实际响应电压V（pwm），解决了SPWM脉宽调制式变频器与电机的匹配问题。 - This paper presents a simplified mathematic model of parallel APF, and an improved method of current control with triangle-wave pulse-width modulation.
给出了并联型有源电力滤波器系统简化数学模型，详细探讨了有源电力滤波器中常采用的三角波脉宽调制电流控制方法，在此基础上提出了一种改进的三角波脉宽调制电流控制方法。 - Zero voltage switching is realized for all switches over a large load range by using an inductor and the leakage inductance of a high frequency transformer. The diode reverse recovery is also reduced with zero current switching with pulse-width modulation control.
在电感和变压器漏感的作用下，变换器中的开关元件能够在较大的负载范围内实现零电压开关，同时在脉宽调制的控制下，二极管实现了零电流关断。 - Research for Three-Phase Current-Source PWM Rectifier Based on Improved Space-Vector Pulse-Width Modulation
基于改进空间矢量脉宽调制的三相电流型PWM整流器研究 - The hardware system was constructed based on DSP system with peripheral circuit including command input circuit, sampling circuit, PWM ( pulse-width modulation) output circuit, display circuit, and protection circuit.
本文首先从硬件设计的角度，构建了基于DSP的基本系统，设计并搭建了外围电路，包括指令输入电路、采样输入电路、脉宽调制（PWM）输出电路、显示输出电路、以及保护电路。 - Based on characteristics of PMAs and pulse-width modulation ( PWM) highspeed on-off valves, the multi-input 4th-order affine nonlinear mathematical model of the system was achieved.
在研究PMA和脉宽调制（PWM）高速开关阀特性的基础上，建立了系统的多输入4阶仿射非线性数学模型。 - Based on the phase sealer with the step of 0. 1 degree, the ASIC can generate the single-trigger pulse signals with the adjustable starting phase and pulse width and also has output of the pulse-width modulation ( PWM) pulse sequences according to the pulse data.
基于0.1°精度的相位控制，该ASIC既可以产生起始相角和脉冲宽度可调的单脉冲触发信号，也可以依据脉冲数据发出脉宽调制（PWM）脉冲序列。 - Unity Power Factor Three-Phase Rectifier Based on Voltage Space-Vector Pulse-Width Modulation
基于电压空间矢量调制的单位功率因数三相整流器的研究 - This paper presents the principle and the implementation of the output function of Pulse-width modulation of PLC.
本文介绍了PLC集成脉冲输出功能的原理及实现方法。 - Fluid pulse code modulation ( PCM) and pulse-width modulation ( PWM), owing to their structural simplicity, operational reliability and strong anti-interference capability, have become a choice of priority in the direct control of hydraulic or pneumatic pressure systems by computers.
流体脉码调制（PCM）与脉宽调制（PWM）数字控制技术，因具有结构简单、工作可靠和抗干扰能力强等优点，已成为计算机直接控制液压或气压系统的重要选择方式。 - Interference Problem Analysis for a Pulse-Width Modulation Driving System
某PWM驱动系统中干扰问题的分析 - There are PWM ( Pulse-width modulation), linearization, temperature compensation and one-chip microcomputer techniques in it.
这台仪表采用了PWM（脉宽调制）、线性化、温度补偿和有关的单片机数字技术。 - The probe uses complete CMOS circuit to realize pulse-width modulation to pulse-position modulation of differential capacitance and thermistor.
因此采用全CMOS数字电路分别实现电容和电阻的脉冲宽度调制&脉冲位置调制，获得表征被测信息的脉冲位置信号，再进行电复合和光脉冲发射。 - The experimental researches about pulse-width modulation ( PWM) control of furnace pressure;
炉压脉宽调制（PWM）控制的实验研究； - It is also presents a pulse-width modulation control technology to independently control each of the voltage in photovoltaic arrays.
本文还提出了一种脉宽调制控制技术，它能够独立的控制光伏阵列中的每一个工作电压。 - Furthermore, three-dimensional pulse-width modulation is derived in detail, the physical meaning of the modulation scheme is pointed out, and a concrete implementation steps is given.
此外，本文对三维脉宽调制进行了详细的推导，指出了调制方案的物理意义，并给出了具体的实现步骤。 - According to the topology structure of main circuit, design the control circuit. It includes design of locking signal circuit, lacking phase detection circuit, locking phase and frequency multiplication circuit, and PWM pulse-width modulation circuit.
根据主电路拓扑结构，设计了其控制电路，包括同步信号电路、缺相检测电路、锁相倍频电路和PWM脉宽调制电路的设计。 - Pulse-width modulation ( PWM) rectifier, compared to the traditional non-controlled or phase-controlled rectifier, has the advantages of higher power factor, lower harmonic pollution and smaller size, is an important academic and industrial research area in power electronics field.
脉宽调制（PWM）整流器，相比于传统的不控或相控整流器，有着功率因数高，谐波污染小，体积小等优点，是电力电子学术界和工业界的重要研究对象。 - Using the Pulse-width modulation ( PWM) technology to control the power, and the control method was double-loop current feedback control voltage limit.
采用脉宽调制（PWM）技术对电源进行控制，控制方法为电流反馈电压限制双环控制。 - It includes system control circuit, digital potentiometer voltage protection circuit, basic pulse-width modulation control circuit and touch pad technology.
包括对控制系统电路、数字电位器电压保护电路、脉宽调制控制电路以及触摸屏技术。 - The common modulation technologies in the class D amplifier are pulse-width modulation and sigma-delta modulation.
常见的D类放大器使用的调制信号技术有脉冲宽度调制和西格玛德尔塔调制。 - With the development of high power self-commutated power electronic devices and pulse-width modulation technique, the VSC-HVDC transmission technology which based on the Voltage Source Converter has realized some successful applications in power systems.
随着大功率可关断电力电子器件和PWM技术的发展，VSC-HVDC输电技术已经实现了一些成功的应用。