It neither has heating problem of the electronics soft starter, nor generates high frequency harmonic like SCR.
它没有电子软起动器的发热问题，也不会像晶闸管一样引起高次谐波。
As an effective way of eliminating high frequency harmonic, active Power Factor Correction (PFC) technology has been deeply researched and has broad application.
有源功率因数校正技术(PFC)作为一种有效的谐波抑制方法，得到了广泛而深入地研究与应用。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
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。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.
研究结果表明：在简谐地面加速度作用下，高频地震动也可以引起长周期结构产生很大的位移反应，且最大位移反应出现在结构的瞬态自由振动阶段。
A new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.
基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。
The rational harmonic mode-locking has become a research subject of intense interest due to its application on the generation of ultra- high repetition frequency optical pulse train.
有理数谐波锁模技术是产生高速超短脉冲的重要技术之一，其光时分复用通信技术等领域中有重要的应用价值。
By extracting the multipulse excitations during voiced speech, and adding the excitations into the process equation the harmonic of high-frequency area can be reconstructed.
通过在浊音段提取多脉冲激励信号加入语音的状态方程，有效地重建语音的高频谐波。
The harmonic distortions of the high power PWM converters increase more with low switching frequency, which may destroy the devices used in the system and result in electromagnetic interference (EMI).
在开关频率较低的情况下，大功率PWM变换器的谐波可能会更大，并对电力电子设备造成损坏或产生电磁干扰影响通讯。
Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
电容的微小变化可通过对高频谐振回路调制的方法进行测量。
MDI's WF series waveguide Bandpass and Harmonic Filters excel in applications where high frequency, narrow bandwidth and high 'Q' are essential.
MDIWF系列波导通频和谐波滤波器，擅长应用与高频，窄带宽和高Q频率。
An inverter is constructed to improve the harmonic spectrum of the current by damping the high-frequency components using these components.
构造了一个逆变换器来实现对高频分量的抑止效果。
A novel resonant-type high frequency AC bus topology is presented and low harmonic disortion current-fed high-frequency AC bus is obtained.
介绍了一种新的固态短路限流器的驱动电源架构，提出新的谐振型高频交变恒流源拓扑方案，获得了低谐波含量的电流型高频交流母线。
Optical high harmonic generation is extending frequency comb techniques into the extreme ultraviolet, opening a new spectral territory to precision laser spectroscopy.
光纤产生高次谐波频率梳技术扩展到极端的紫外线，打开一个新的精密激光光谱的光谱领土。
This machine adopts the world's advanced high-Q square vibration hair with hair vibration frequency stability, output power of high harmonic less advantages.
本机采用世界上先进的方型高q值发振器，具有发振频率稳定，输出功率高，谐波量少的优点。
This machine adopts the world's advanced high-Q square vibration hair with hair vibration frequency stability, output power of high harmonic less advantages.
本机采用世界上先进的方型高q值发振器，具有发振频率稳定，输出功率高，谐波量少的优点。
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