它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
采用含有丰富谐波分量的窄脉冲电流作为励磁信号对非晶丝直接励磁，使传感器具有灵敏度高、响应快的优点。
The magnetic sensor has characteristics of high sensitivity and quick response due to the amorphous wires excited directly by sharp pulse train current containing amount of harmonic signals.
减少了变频器输入电流中包含的高次谐波成份的输出。
It reduces the high hypo syntony wave output part included in the converted input current.
实际现场运行表明，该型消弧线圈具有调节速度快，补偿精度高，无谐波危害，且无机械动作可靠性高等特点。
The results of field running show that it has quick adjustment speed, accurate compensation, preferable reliability and no harmonic pollution.
实验结果表明，该系统稳定度高，调速范围宽，谐波含量小，具有较强的实用价值。
The results of the experiment prove that the system has high stabilization, wide range in adjusting speed and small content of the wave in harmony, so it has a certain practical value.
它采用双向开关和同期整流，得到了高功率因子、高效率和低高次谐波。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
讨论了气体介质的非均匀性对飞秒激光高次谐波产生过程的可能影响。
The possible influence of nonuniform gaseous medium on high order harmonics generated by femtosecond laser is discussed.
兼具谐波治理功能，可滤除电网中的高次谐波，净化井下电网环境，保证设备稳定运行。
And harmonic management function, can filter HHG in the grid, purify power grid environment, guarantee the equipment and stable operation.
实验结果表明，该系统具有输出功率因数高，对电网谐波污染小等优点。
The experiment results indicate the system has the characteristics of high power factor and low harmonic current.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
讨论了蓄电池充电整流器所产生的高次谐波及其抑制措施。
The high-frequency harmonics from charge rectifier of storage battery and its suppression means were discussed.
通过电路分析对电子镇流器存在的电源电流谐波高和功率因数低等问题。
In this paper has analysed high levels of harmonic currents and low Power factor of electronic ballast by circuit study.
结果表明该电路在具备了软开关特性的同时，还可以有效地降低高次谐波含量。
The result of simulation shows that the circuit has the soft switching characters and its high harmonic has been decreasing.
因而，系统不但出现高次谐波，而且还将出现亚谐波及。
So not only super-harmonic, also subharmonic and stochastical oscillation will appear.
通过计算机仿真及试验证明，该有源电力滤波系统能很好地同时抑制电网中的高次谐波及无功电流。
Computer simulation and experiments show that the active power filter system can effectively suppress the high frequency harmonics and reactive currents at the same time.
有限振幅的超声波在固体中传播时会发生波形畸变，伴随着高次谐波的出现。
Wave distortion will occur when finite amplitude ultrasonic waves propagate in elastic solids, resulting in the production of higher order harmonics.
通过对轨道交通供电系统高次谐波产生原因及危害的分析，着重探讨对供电系统谐波抑制的措施。
Through reason and harm analysis which produces to the rail transit power supply system higher harmonic, discusses emphatically to the power supply system harmonic suppression measure.
分析表明要想使高次谐波获得相位匹配，需要超短脉宽的驱动脉冲以及电离能大的气体工作介质。
The calculations show that a ultrashort pulse laser and the medium with higher ionization potential is necessary for generating higher order phase matched harmonic.
该方法能够方便地计算接触面非线性摩擦力，考虑响应的高次谐波以及叶片高阶振型的影响。
This method can calculate the nonlinear friction force conveniently and can consider the effects of the blade high modes and the high harmonics of the blade responses.
采用串联电压谐振产生高压起辉，必须采取过流保护措施。 电子镇流器高次谐波的产生及其所带来的危害。
We also should take protective measures for the volt power bright spots that produced by the series voltage resonance and the higher harmonic produced by the Electronic Ballast.
而分布式发电技术需要功率因数高，谐波污染少的大功率整流逆变系统作为其能量转换装置。
But this useful technology needs high power factor, low harmonics pollution rectifiers and inverters to be its energy converters.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量，使其矢量角均匀变化，减小电压波形中的高次谐波分量。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
PWM调制技术已广泛应用于电力电子技术中，但PWM调制信号含有大量的高次谐波，成为产生emi的主要原因之一。
Though PWM modulation technology has already been used in power converter abroad, it becomes a main reason which can produces EMI because PWM modulation signal contains abundant high harmonic.
供配电系统通常接有并联补偿电容器，配电网中的高次谐波对电容的影响很大。
Power Supply System is often placed with shunt compensation capacitors and the upper harmonic waves in the distribution network have much influence on the capacity.
本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。
The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.
电网中的高次谐波对电网有污染，抑制高次谐波是电力系统运行中的重要研究课题。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
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。
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.
该稳压电源电路简单可靠、稳压性能好，对由高次谐波产生的纹波亦有很好的抑制作用。
The result shows that it has the characteristic of high-stabilization , wide-regulation-range and it also could restrain the distortion of high order harmonic.
该稳压电源电路简单可靠、稳压性能好，对由高次谐波产生的纹波亦有很好的抑制作用。
The result shows that it has the characteristic of high-stabilization , wide-regulation-range and it also could restrain the distortion of high order harmonic.
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