Active power Filter (APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.
有源电力滤波器(简称APF)技术是一种实现电网谐波补偿、改善供电质量的重要方法。
This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.
该方法极大地提高了在高强度直达波干扰下主动声呐提取目标回波的精度。
The active control of torsional wave propagating in a shaft and the LMS algorithm are described in this paper.
对扭转弹性波的主动控制系统以及L MS算法进行了描述。
In 1985, the wave trains are active and the low frequency eddies over middle and high latitudes move to the south of Japan.
1985年的波列活动显著，中高纬低频涡旋南移至日本南部洋面。
A physical model of the active control of torsional wave is set up in this paper. Dinfluence of error sensor and secondary source on the optimal control results is studied.
建立扭转弹性波主动控制系统的物理模型，研究二次源、误差传感器位置对最优控制效果的影响。
An active control method based on a flexural propagating wave model for a long and thin beam with a piezoceramic actuator is investigated both analytically and experimentally.
从理论和实验两方面研究了基于行波模型的结构梁响应控制方法。
Finally, a hybrid active vibration control approach is developed by synthesizing the modal control and wave control methods.
最后在模态控制和波动控制的研究基础上，提出基于波动控制和模态控制的复合控制方法。
A formula to estimate the inductance value of a parallel active power filter on the basis of the fundamental wave is found.
从跟踪基波出发，推导出并联型有源电力滤波器输出电感值的估算公式。
The physical interpretations of the vibrational response will play an important role in the design of active vibration wave controllers.
该解释在索振动波动控制中对控制器的设计起到重要作用。
Reflected wave signal is processed by double channels two-order low-pass active filtering in hardware, and indicator diagram signal is processed by digital filtering in software.
液面反射波信号主要在硬件方面采用双通道二阶有源低通滤波，功图信号则在软件方面采用数字滤波算法。
Therefore, the travelling wave effect should be considered for the selection of the parameter values of semi-active control system in order to get the designing control effect.
因此，在确定半主动控制系统的参数时应考虑地震行波效应的影响以确保控震效果。
In active infrared remote sensing measurements, the infrared absorption caused by the presence of trace gases in atmosphere is related to the transmittance spectra in different infrared wave band.
在主动式红外遥感测量中，大气中痕量气体的红外吸收与不同红外波段的透过率光谱有关。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Four-wave mixing was observed in the active medium of a copper vapor laser.
在铜蒸气激光器的激活介质中观察到四波混频现象。
The polarization characteristics of Travelling-wave semiconductor optical amplifier (TW-SOA) is investigated based on th gain property of active Fabry-Perot resonator.
以有源法布里-珀罗谐振腔的增益特性为基础，研究了行波半导体光放大器的偏振特性。
The spot G wave may be active ingestion of aphid during stylet pathway (C wave phase);
初步认为，点G波是蚜虫在刺探途径阶段（C波阶段）的试探性主动吸食过程；
The nanodiamond dispersion experiment was done by inorganic electrolyte, surface-active agent and supersonic wave methods.
分别采用无机电解质、表面活性剂和超声波等方法对纳米金刚石进行了分散实验研究。
When exciting Sin voltage source is applied to proper port, the stability of network depends on the sign of active and reactive components for fundamental-wave current entering port of networks.
若在适当端口施加正弦电压源，则网络的稳定性取决于进入端口基波电流的实功与虚功成份的符号值。
The harm and type of harmonic wave were introduced, and the principle of active filter was analyzed as well.
介绍谐波的危害，产生谐波的类型，有源滤波的原理。
Active Denial technology is a breakthrough non-lethal technology that USES millimeter-wave electromagnetic energy to stop, deter and turn back an advancing adversary from relatively long range.
主动拒止技术是远距离使用毫米波电磁能以阻止、延缓和挡回前进之敌的一项突破性非杀伤技术。
In this paper, a new method of regeneration of active carbon using ultrasonic wave was described. Theoretical analysis and experimental results showed that the method was efficacious and feasible.
研究了一种新的超声波再生活性炭方法，理论分析和实验数据表明超声波再生是可行的。
The article is mainly on study of the theory and design of millimeter-wave transceiver front-end from the active devices and passive components.
毫米波器件又分为无源器件和有源器件，本文从这两个方面对毫米波收发前端的理论和设计进行了研究。
Synthetic Aperture Radar (SAR), as a kind of active remote sensor, is a system that can scan and image earth surface object in a high resolution using its EM wave.
合成孔径雷达（SAR）作为主动式遥感器，是一种利用雷达本身发射的电磁波进行高分辨率成像的系统。
The paper is mainly on in-depth study of the theory and design of millimeter-wave transceiver modules from the active circuits and passive circuits.
毫米波电路可以分为有源电路和无源电路两种，本文正是从有源电路和无源电路这两个方面对毫米波收发组件的理论和设计进行了研究。
A new current-type active compensator is formed by GTR current-type four-quadrant converter, based on the theory of current-wave-form addittion.
介绍了以电流波形补偿理论为根据，由GTR电流型四象限变流器构成的有源无功功率补偿器。
Study on the wave-tide-surge interaction in shallow sea is one of the up-to-date active research areas around the world.
浅海波浪、潮汐风暴潮相互作用的研究是当今国际热点研究方向之一。
Skills: 1, a solid basic skills specialized courses, conducted active sine wave generator, MF-47 multimeter, transistors FM wireless transmitter, and so the design and production;
技 能：1、具有扎实的专业课基本功，进行过有源正弦波发生器、MF-47型万用表、晶体管FM无线发射器等的设计和制作；
Skills: 1, a solid basic skills specialized courses, conducted active sine wave generator, MF-47 multimeter, transistors FM wireless transmitter, and so the design and production;
技 能：1、具有扎实的专业课基本功，进行过有源正弦波发生器、MF-47型万用表、晶体管FM无线发射器等的设计和制作；
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