harmonic distortion
英 [hɑːˈmɒnɪk dɪˈstɔːʃn]
美 [hɑːrˈmɑːnɪk dɪˈstɔːrʃn]
谐波失真；谐波畸变
双语例句
- Conventional UPS systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components.
对于非线性负载所引起的谐波失真，传统的逆变系统通常采用复杂的大规模无源元件滤波方案来滤除。 - With the widespread use of nonlinear loads in the power system, harmonic distortion causes a serious pollution of power quality.
随著电力系统中非线性负载使用量的逐渐增加，使得谐波对于电力品质的污染日趋严重； - 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。 - Non-linear harmonic distortion coefficient
非线性谐波失真系数 - As the non-linear nature of the traditional transformer, the input line currents have significant harmonics and high total harmonic distortion ( THD).
然而，由于传统的整流装置本身的非线性特性，会使网侧输进电流严重畸变，谐波含量多。 - 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。 - The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc.
质量包括电源电压的质量的能力的概念与有关，例如，电压下跌，不平衡，谐波失真，电压波动并且摇曳，等等。 - Faraday rings are incorporated into the ultra-low distortion motor, further reducing? harmonic distortion by as much as20dB.
超低失真马达采用法拉第振铃，进一步降低谐波失真达20分贝之多。 - Experimental results show that the proposed multilevel inverter has a low total harmonic distortion ( THD) with desired function.
从实验结果证明兼具电池平衡之多阶式换流器确实具有低的谐波失真与电池平衡之功能。 - Additional negative feedback is provided to set loop gain to unity at the oscillation frequency, to stabilize the frequency of oscillation, and to reduce harmonic distortion.
为了使振荡频率稳定并降低谐波失真，需要加入一个在震荡频率处能够提供单位增益的负反馈路径。 - This is the primary reason I choose sweeps for harmonic distortion testing.
这是主要的原因，我选择谐波失真测试扫荡。 - Class D Audio Amplifier with High Efficiency and Low Harmonic Distortion
高效率、低失真的D类音频功率放大器 - There are now two criteria that are used to evaluate harmonic distortion.
现有两个准则可用来评价谐波畸变。 - An improved structure of switched-capacitor integrator is used to reduce the harmonic distortion induced by charge-injection effect.
通过改进积分器的结构，显著减小了开关电荷注入效应引起的调制器的谐波失真。 - That the circuit structure in unit series makes harmonic distortion little, motor damage small;
单元串联的电路结构使得输出电压总谐波畸变小，对电动机的危害小； - The principle of direct digital synthesizing sine wave is introduced, the frequency spectrum of synthesized sine wave is analyzed, and the method measuring total harmonic distortion ( THD) of synthesized sine wave using least square is emphasized.
介绍了直接数字合成正弦波的基本原理，并对合成正弦波的频谱进行了分析，重点讨论了利用最小二乘法测量合成正弦波的谐波失真度（THD）的方法。 - 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 actualization of optimal power flow control of solar cell power system and the compensation of reactive power, harmonic distortion are discussed.
文中还讨论了太阳电池发电系统最佳功率流控制的实现方法以及补偿无功功率和谐波失真等问题。 - 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 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。 - This paper analyzes the influence of the reactive power and power factor measurement by the distortion waveform. Points out the accuracy evaluation of true reactive power and the total harmonic distortion measurement problems.
本文就波形失真对无功功率和功率因数测量的影响进行了分析，提出对真无功功率准确度的评估和总谐波畸变的测量问题。 - 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。 - In addition, harmonic components and total harmonic distortion ( THD) of the output voltage are analyzed.
分析了应用该算法以后逆变器输出电压中谐波畸变（THD）的情况，以及主要谐波成分百分含量的变化情况。 - Data compressions for power consumption signal, voltage interruption signal and transient harmonic distortion signal are simulated and the compression results with different decomposition levels and threshold coefficients are compared. Results prove its feasibility and effectiveness.
对用电消耗信号、电压间断信号及暂态谐波失真信号进行了压缩仿真，并比较了这些信号在不同分解层次和门限限定系数取值时的压缩效果，结果验证了该方法的可行性和有效性。 - Simulate the directly transfer function method by Matlab, obtain the wave with different output frequency, and for each profile FFT transform the size of that harmonic distortion rate.
重点对直接传递函数法进行了Matlab仿真，得出不同输出频率下的波形，并对每种波形进行了FFT变换得出谐波畸变率的大小。 - Second, this paper determines the evaluation function, which the target is the total harmonic distortion rate of the output voltage and current, and builts the three-level and five-level inverter models in Matlab/ Simulink based on the PSO algorithm.
其次，本文建立了以输出电压和电流总谐波畸变率为目标的评价函数，并在Matlab/Simulink中搭建了基于PSO算法的三电平和五电平逆变器谐波抑制模型。 - The feed-forward path is adopted to suppress the harmonic distortion and increase the dynamic range ( DR).
该调制器采用前馈通道抑制谐波失真、提高动态范围。 - Therefore, high power factor and low current harmonic distortion of PWM rectifier is becoming a hot spot of power electronic technology application.
为此，高功率因数和低电流谐波畸变的PWM整流器成为电力电子技术应用中的研究热点。 - Though the HHT analysis of harmonic distortion in current and voltage caused by the nonlinear, we found much higher accuracy in the signal parameters than the FFT method and fuzzy analysis.
对非线性负载所产生电流谐波和电网电压畸变的问题进行HHT分析，从分析结果中计算出信号的状态参数比用FFT方法和模糊分析方法的检测结果的精度要高。