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- The effect is termed harmonic distortion. 这种作用就称为谐波畸变。
- A detail analysis of producing harmonics of electronic ballast is provided. The method to reduce the harmonics distortion and improve the power factor is derived. 分析了电子镇流器产生谐波电流的原因,并以一种新型电子镇流器为例,指出了降低谐波含量、提高功率因数的方法及其实际意义。
- 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。
- total harmonics distortion (THD) 总谐波失真
- The Active Power Filter (APF) is one of the most important means to eliminate harmonics, especially the Series Hybrid Active Power Filter (SHAPF) has great superiority in compensating harmonic distortion and improving power quality. 有源电力滤波器是抑制电网谐波的重要方法之一,尤其是串联混合有源滤波器对谐波补偿、电能质量的提高具有强大的功能和优越性。
- The series active power filter( SAPF) can compensate the harmonic distortion caused by voltage type harmonic source. 串联型有源电力滤波器可较好地补偿电压源型谐波源.
- In layman terms, harmonic distortion adds a slightly thick or buzzy quality to music. 在外行看来，谐波失真添加了一点浊音或鸣音音效。
- It affects the SNR (signal-to-noise ratio) and the THD (total harmonic distortion) of a conversion. 它影响转换的SNR（信噪比）和THD（总谐波失真）。
- Design of an L-Band Low Harmonics Distortion Power Amplifier L频段低谐波失真功率放大器的设计
- This preliminary paper mainly discusses the effect of harmonic distortion by CFL on the quality of electric prwer systems. 本文通过在室验室，典型家庭，餐厅，大型商场等不同场合，不同条件下，测试不同数量的CFL点燃后的电压谐波畸变，电流谐波畸变，功率因素以及中性线电流等参数，分析CFL对电网质量的影响。
- The most common ways are to specify Harmonic Distortion, Total Harmonic Distortion (THD), or Total Harmonic Distortion Plus Noise (THD + N). 最通用的方法是指明谐波失真，总体谐波失真(THD)，或总体谐波失真加噪声(THD+N)。
- Besides, the resonant condition is monitored by minimizing the total harmonic distortion(THD) of the voltage applied to the device terminals. 此外，利用最小化待测设备之端电压总谐波失真度，进而监控系统谐振情况。
- The power transfer quality factor of PFC is above 0.98 and the total harmonic distortion of the line current is less than 5%. 准谐振PFC的功率传输品质因数在0.;98以上，电流总谐波畸变率小于5%25。
- Further more, the sample time can be shortened in this case, which can reduce the Total Harmonic Distortion (THD) and make the output waveform better. 仿真实验结果表明：采用该方法后，降低了输出波形畸变率，电压电流波形更加理想，为实现更好的逆变效果提供了条件。
- Reducing the total harmonic distortion (THD) of the magnet current in the parallel resonant network is the key technique for the magnet current tracking accuracy. 在并联型怀特电路中，降低磁铁电流的高次谐波含量，即电流总谐波畸变率(THD)是保证磁铁电流跟踪精度的关键所在。
- Electric guitar players use harmonic distortion - often lots of it - to turn a guitar's inherent plink-plink sound into a singing tone having great power and sustain. 电子吉他手运用（常常使用）谐波失真，以使吉他本来的叮玲声转变成更雄壮、更持久的蜂鸣音。
- The relationship among input current harmonic distribution and power factor, total harmonic distortion, psophometric interference current, are discussed. 在此基础上进一步探讨了变流器功率因数、输入电流总谐波畸变率以及等效干扰电流等与谐波分布之间的关系。
- How dare he distort the facts so brazenly! 他怎么敢如此肆无忌惮地歪曲事实！
- They are probably the result of even order harmonic distortion - a hallmark of the SET - that do not occur to any significant degree in the Densen amplifiers. 他们很可能是偶数阶谐波失真的结果-一个系列的标志-没有发生任何的电线放大器的重要程度。
- Reducing the total harmonic distortion （THD）of the magnet current in the parallel resonant network is the key technique for the magnet current tracking accuracy. 在并联型怀特电路中，降低磁铁电流的高次谐波含量，即电流总谐波畸变率（THD）是保证磁铁电流跟踪精度的关键所在。
