A new Space Vector Pulse Width Modulation (SVPWM) method based on control factor is proposed.
介绍一种基于控制因子的三电平空间矢量方法。
Aimed at dead time effect of voltage-fed space vector pulse width modulation (SVPWM) inverter, a novel compensation method detecting current polarities from the current vector was presented.
针对电压源型空间矢量脉宽调制逆变器的死区效应,提出了一种根据电流矢量判断电流极性的死区补偿方法。
Introduction was made to the method of sine pulse width modulation (SPWM) wave generated by table searching, which is based on area equivalence principle.
介绍了一种基于面积等效原理,采用查表法产生正弦脉宽调制(SPWM)波的方法。
Comparison of torque pulse quantities between the two method leads to the conclusion that the corner folding modulation is a better choice.
对这两种方法以转矩脉动量为标准做了对比,指出折角调制方法是一种更好的方法。
Pulse Width Modulation device chip is designed by the reverse design method.
脉宽调制器芯片采用逆向设计方法完成。
Next, the mix control strategy were analyzed in detail, which is the control method of combining the space vector pulse width modulation and the rotor magnetic filed directional control.
接下来,本文重点分析了基于矢量调制的组合控制策略,即将矩阵变换器的空间矢量脉宽调制和电动机转子磁场矢量控制有机结合的控制方法。
The asynchronous machine is fed by cascaded multilevel inverter, and the inverter switching signals are generated by carrier phaseshifted pulse width modulation method.
采用级联型多电平逆变器给异步电机供电,逆变器的开关信号利用载波移相脉宽调制方法生成。
Space vector pulse width modulation(SVPWM) and multi-step commutation method of bi-directional switches are the basic control strategies of the matrix converter.
空间矢量脉宽调制和双向开关多步换流方式是矩阵式变换器的基本控制策略。
Firstly, the waveforms of UWB signal and their modulation modes, signal processing of receiver are introduced and compared. The method for generation of UWB narrow pulse is reviewed.
首先介绍并比较分析超宽带信号的波形、调制方式和接收机信号处理方法,讨论了超宽带窄脉冲的产生方法。
Pulse ratio modulation, a method of recording biomedical signals with magnetic tape, is presented.
本文介绍一种磁带记录生物医学信号的方法——脉冲比例调制。
Aiming at the complicated design of three-phase PWM (Pulse Width Modulation) rectifier by using nonlinear feedback method, a linear feedback approach based on inverse system method is presented.
针对三相脉宽调制(PWM)整流器控制采用非线性反馈方法使控制器设计复杂化的问题,提出一种基于逆系统方法的三相pwm整流器的反馈线性化控制方法。
The most popular method to do that now is PCM. PCM stands for pulse code modulation.
现在最常用的方法是PCM,这是英文脉冲编码调制的缩写。
The structure of the electrostatic producer is expatiated, and the method with which the pulse-width modulation feedback force linearizes the electrostatic force producer is purposed.
本文阐述了静电力发生器的结构,提出并研究了用脉宽调制反馈力线性化静电力发生器的方法。
A novel drive system with high frequency AC pulse density modulation for electric vehicles is proposed, and its operation principle and control method are studied in detail.
提出了一种用于电动汽车的高频交流脉冲密度驱动系统并阐述了系统的工作原理和控制方法。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
In this paper, a new method to compress fundamental soliton pulses in the anomalous dispersion regime through cross phase modulation for pump pulse and soliton pulse is proposed.
提出一种在负色散区利用交叉相位调制效应压缩基本孤子脉冲的新方法。
Base on the response characteristics of FED, the improved grayscale pulse width modulation (PWM) method was designed.
根据FED显示器响应特性,设计了改进型pwm灰度调制方法。
This article mainly offers a method to achieve high-accuracy and anti-interference remote measuring circuit in which the principle of pulse-direction modulation is used.
本文主要提出了利用调节脉冲宽度的原理来实现高精度、抗干扰遥测电路的一种方法。
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。
In accordance with the characteristics that resonant DC link inverter should adopt discrete pulse modulation, we propose a novel method of soft SPWM waveform synthesis.
针对DC谐振直流环节逆变器须采用离散脉冲调制的特点,提出了一种新型软化SPWM波形合成方法。文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。
The existing VLSI neural network design method based on the pulse width modulation (PWM) technique is modified in this paper.
改进了现有的基于脉宽调制(PWM)技术的VLSI神经网络设计方式。
The invention provides a healthy physical therapy chip module as an implementing method of the low-frequency modulation pulse physical therapy.
本发明提供一种健康理疗芯片模块,作为低频调制脉冲理疗技术的一种实 现手段。
A new spectrum shaping method, based on electro-optic modulation, to alleviate gain narrowing in chirped pulse amplification (CPA) system, is described and numerically simulated.
提出了一种新型的基于电光调制的激光光谱整形方案,该整形技术可以减轻啁啾脉冲放大系统中的增益窄化效应。
A method of the three phase voltage-source inverter connecting to the grid is studied, which consists of space vector pulse width modulation and phase-locking method.
本文研究了三相电压源型逆变器实现并网所采用的控制方法,包括空间矢量调制法和锁相环技术。
Tish Paper studies a few method of generating PWM pulse, Also analyse and discuss the harmonic characteristic of these modulation techniques, and provide a prof to select these method.
对产生PWM波的几种方式的谐波特性做了比较和探讨,为合理地选取控制方式提供了依据。
The interference and its processing method of long sequence phase-modulation signal of multitargets in pulse compression are studied emphatically.
重点研究了长序列调相信号多目标对脉冲压缩的相互影响及其处理方法。
This paper puts forword a method to generate the complex modulation LFM signal using the slope wobble in different Pulse Repetition Interval (PRI).
该文提出利用脉间调频斜率抖动的复杂调制LFM信号,实现对数字储频欺骗干扰的抑制。
The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.
从互易性偏置调制的机理出发,将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量;根据光功率响应机理,将对半波电压的测量转化为求有效调制光功率最小值。
The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.
从互易性偏置调制的机理出发,将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量;根据光功率响应机理,将对半波电压的测量转化为求有效调制光功率最小值。
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