Total harmonic distortion below 9% is obtained.
结果显示总谐波失真小于9%。
The total harmonic distortion (THD) can be reduced by the instantaneous voltage feedback control.
采用电压瞬时值反馈降低了输出电压波形的总谐波量。
Its 10 amplifier channels provide 300 watts total output at 0.1 percent total harmonic distortion.
其10放大器通道提供300瓦的百分之零点一的总谐波失真总产出。
For public distribution system the total harmonic distortion is a clear measure of supply quality.
在公用供电系统中，整体的谐波失真是供电质量的一个重要指标。
The dynamic range and total harmonic distortion of digital recording system are different from analog recording system.
数字录放音系统的动态范围和总谐波失真与模拟录放音系统相比是有差别的。
As one of inverters, Sinusoidal Pulse Width Modulation inverters can achieve low total harmonic distortion output wave.
正弦脉宽调制逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
The SPEC-4 actually had lower total harmonic distortion and lower intermodulation distortion than its more expensive brother.
在SPEC - 4实际上有较低的总谐波失真低于其更昂贵的兄弟互调失真。
The experiment results show input power factor, distortion factor, crest factor, total harmonic distortion and harmonic components.
给出了输入功率因数、畸变因子、峰值系数、总谐波畸变率和谐波分量的实验结果。
As one of inverters, Sinusoidal Pulse Width Modulation (SPWM) inverters can achieve low total harmonic distortion (THD) output wave.
正弦脉宽调制(SPWM)逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
The experimental results verify that the prototype can make the power factor reach over 0.99, and make total harmonic distortion reach lower than 7%.
实验结果表明该原理样机能将功率因数提高到0.99以上，总谐波畸变小于7%。
In this paper, the meanings of dynamic range and total harmonic distortion of digital recording system and their measurement principles are discussed.
本文讨论了数字录放音系统的动态范围和总谐波失真的意义及其测量原理。
The simulation results show that the speed ratio of the motor mostly affects the total harmonic distortion of the current and the displacement power factor.
仿真结果表明，电机转速比是影响交交变频轧机系统网侧基波功率因数与电流总畸变率的关键原因。
The device can calculate transient harmonics (up to 50 orders) of any part of data wave, give the total harmonic distortion, each harmonic ratio and each harmonic value.
装置可以计算波形任意部分的多达50次的暂态谐波，给出谐波总畸变率及各次谐波的含有率和谐波值。
It can be seen from model experiment that the Total Harmonic Distortion (THD) of the current in the three-phase rectification circuit can be reduced from 30% to about 10%.
通过模拟试验证明，三相整流电路交流侧电流中的谐波含量由原来约30%下降到约10%。
A new method for measuring the total harmonic distortion of ultra low frequency signa1 by means of FFT algorithm is presented and the measuring error is analysed in this paper.
本文提出了采用FFT算法来测量超低频失真度的方法，解决了超低频失真度的测量问题。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
Two different modulation methods are used to modulate the inverter and their advantages and disadvantages are compared, including total harmonic distortion (THD) of voltage and current.
然后使用不同的调制方法对逆变器进行调制，并比较两种方法的优缺点，包括输出电压以及电流的总的谐波失真比率。
In order to reduce total harmonic distortion factor of the inverter's output voltage, adding LC filter to inverter's output is a simple and practical method adopted extensively currently.
为了降低逆变器输出电压的谐波，简单且实用的方法是在逆变器的交流输出侧加装l C滤波器。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
通过仿真和电路试验证明，该滤波电路能将电流畸变率由原来的30.53%降低到9.45%，从而使交流侧的电流接近正弦波。
From the view of switch utilization ratio, the theory gist is given for employing which circuit in condition with different total harmonic distortion of load current to correct harmonic current.
从开关利用率的角度，为不同负载电流畸变率情况下选取何种电路进行谐波补偿，提供了理论依据。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
实验结果表明，应用该电路拓扑的实验装置，其功率因数较高，输入电流的总谐波畸变较低，输出电压纹波小，而且整个装置的效率也比较高。
Based on the integer period sample FFT algorithm, a lowest total harmonic distortion (THD) method for determining the base period is proposed in this paper, and the derivation is theoretically given.
在整周期采样的FFT算法的基础上，提出了确定基波周期的总谐波畸变(THD)最小的方法，并作了误差分析。
The definitions of both harmonic distortion and total distortion are introduced.
介绍了谐波失真和总失真度的定义。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
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