谐波是理想电波或正弦电波的变形。
Harmonics are deformations to the ideal electrical wave or sine wave.
对于非线性元件的输出为单值而输入有多值的情况,令输出为正弦信号,输入包含有各次谐波。
If the nonlinear element has a single output and multiple input values, the output signal is taken to be sinusoidal and the inputs contain harmonics.
电力系统的谐波是电力系统电压正弦波形产生畸变,电力机车用电会产生0次到50次谐波。
The power system harmonic is the voltage sine wave of power system get distortion; electric locomotive power will have 0 to 50 harmonics.
而基于IGBT的正弦波调光器可以有效地避免大量谐波的产生,是未来调光器的发展趋势。
The dimmer based on IGBT could reduce the amount of harmonics, so it is the development trend of future.
仿真和实验结果表明:所提出的变换器输入电流和输出电压为正弦,谐波小且输入功率因数可控,并可实现零电压换流。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
在一定加热功率下,正弦管能有效抑制系统产生的二阶谐波,提高一阶压力波动幅值并降低加热块温度。
The experiment result showed that sinusoidal tube can effectively inhibit second order harmonic mode, increase first order pressure amplitude and lower down heating block temperature.
在一些电路教材中常把带滤波器的整流电路作为一个实例,用以讲述用傅立叶级数的谐波分析方法来求解非正弦电路。
In some circuit textbooks the rectifier circuit with the filter has been used as an example to illustrate the harmonic analysis of nonsinusoidal circuit adopted Fourier series.
通过开关角预置方法,叠加出了谐波含量低的稳压正弦波输出。
Using the method of firing Angle prediction, steady sinusoidal output voltage with low harmonic components can be generated.
非线性负载会形成非正弦电流,如方波,其中包含谐波成分。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法,对两种算法的分析和比较有利于它们在实际中的应用。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能,同时实现了网侧电流正弦化及单位功率因数,因而减少了对电网的谐波和无功污染。
The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.
这种偏离完全正弦的畸变称为电压、电流波形的谐波畸变。
This deviation from perfect sinusoids is usually expressed in terms of harmonics distortion of the voltage and current waveforms.
本文对正弦脉宽调制变频器的输出波形进行了谐波分析。
In the paper the harmonics of sinusoidal pulse width modulation for output inverter waveforms are analysed.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
设计了一种消谐波正弦输出的AMR磁头,这种磁头是由amr金属薄膜材料经过微加工工艺制成。
An AMR magnetic head with eliminating harmonics and sinusoidal wave output was designed. This magnetic head is made from AMR thin film material by micro-fabrication technique.
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。
As one of inverters, Sinusoidal Pulse Width Modulation inverters can achieve low total harmonic distortion output wave.
根据正弦函数的正交特性,提出了一种单相电路的谐波和无功电流检测方法。
This paper based on the orthogonality of sine, presents an approach to the detection of harmonic and reactive currents suitable for single-phase circuits.
即使在三相正弦激励的作用下,三相线电流也将发生非正弦畸变,产生谐波电流。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
介绍了语音变换的相关技术,分析了利用正弦谐波模型实现语音变换的算法及流程。
The technology of voice transformation was introduced. The algorithm of voice transformation based on harmonic sinusoidal modal was analyzed.
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。
As one of inverters, Sinusoidal Pulse Width Modulation (SPWM) inverters can achieve low total harmonic distortion (THD) output wave.
例如,电弧炉就是一种非线性负荷,因为加上正弦电压后,它将形成非正弦电流(大量谐波)。
For example, an arc furnace is nonlinear since it will draw a no sinusoidal current (rich in harmonic's) when a sinusoidal voltage is applied.
该系统模拟生成一畸变正弦信号,并运用该系统实现谐波的在线监测分析,得出其基波与谐波的情况。
A distorted sine signal is simulated in the system, and the on-line harmonic monitoring is carried out through this system, revealing the state of its basic wave and harmonic waves.
基于语音正弦模型,采用能量谱熵和子谐波谐波比率方法进行语音分析。
Energy-spectrum entropy and subharmonic-harmonic rate methods were used to analyze speech based on speech sinusoidal model.
并利用快速傅立叶变换方法对谐波、闪变和纯正弦波等稳态现象进行分析。
As to steady state phenomena, the traditional signal analysis tool FFT is used for harmonic analysis and flicker.
还指出了在非正弦周期性激励下,可结合“谐波分析”运用此法。
Furthermore, that the method may be used for non-sinusoidal periodic excitation is indicated.
有些正弦波谐波,其频率不等于频率的基本组成部分。
Some sine waves are harmonic whose frequency does not equal to the frequency of fundamental component.
该系统模拟生成一畸变正弦信号,并运用该系统实现谐波的在线监测分析,得出其基波与谐波的情况。
A distorted sine signal is simulated in this paper, and the harmonic analysis is carried out through the above measure, revealing the state of its basic wave and harmonic waves.
该系统模拟生成一畸变正弦信号,并运用该系统实现谐波的在线监测分析,得出其基波与谐波的情况。
A distorted sine signal is simulated in this paper, and the harmonic analysis is carried out through the above measure, revealing the state of its basic wave and harmonic waves.
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