Because real waves contain numerous harmonic wave and even exponentially. attenuating components, the accuracy of an algorithm depends on its filterability.
但由于实际波形中含有大量的谐波分量甚至指数衰减分量，直接影响了这些算法的精度。
The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
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。
Aimed at producing heat, vibration, disturbance and harmonic wave, the handling opinions are pointed.
针对使用中出现的发热、振动、干扰与谐波等问题提出处理意见。
To avoid device damage caused by harmonic wave, a VQC device integrating harmonic suppression function is presented in terms of the filter capability of capacitor and reactor.
为避免谐波问题造成的电容器等设备损坏，提出了根据电容器和电抗器的滤波能力，把谐波抑制功能加入电压无功控制（VQC）装置。
The counteracted current by going through the notch filter based on adaptive filter technique is proposed to eliminate the residual fundamental wave and its harmonic wave.
文中提出，背景电流抵消后让信号通过基于自适应滤波技术的陷波器，可去除背景中残留的基波及谐波电流的影响。
We have studied the method of eliminating the harmonic wave of SCR regulating-speed device a servosystem and increasing its power supply unit' s loading ability when its current is large.
研究了随动系统中SCR调速装置在大电流时，消除其谐波并使供电装置负载能力提高的方法；
The fluctuation circle of aquatic products price between 1978 and 2000 via ratio of variation and harmonic wave was researched.
采用变异率指标与谐波分析法研究了1978-2000年水产品年度收购价格波动的周期性。
If the stator inside winding is out of order, we must consider the influence of the harmonic wave with low orders or fraction orders when calculating the air space inductance values.
如在定子绕组内部故障情况下，气隙电感量的计算必须考虑低次和分数次谐波的影响。
This method can also be used with the harmonic wave radiation in FEL.
这种处理方法也适用于自由电子激光器的谐波辐射。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
The exponential type horn can suppress high harmonic wave and low harmonic wave.
指数型号筒具有抑制高低次谐波的作用；
Harmonic wave analysis method is the insulator medium consume factor on line method and discussed hte effect on the main factor of the medium consume on line supervision precision.
谐波分析法是绝缘介质损耗因数在线测的方法，相应讨论影响介损在线监测精度的主要因素。
In accordance with the familiar configuration for present lighting system, the common harm of harmonic wave and numerical values were showed here.
针对目前灯光系统设计中常见的配置情况，指出常见的谐波危害及相关数值的计算。
This paper analyzed the problem of harmonic wave, matching of load and calorification for inverters in running and made the relatively measure.
本文针对变频器运行过程中存在的谐波问题、负荷匹配以及发热问题进行分析，并且提出相应的解决方案。
The current or voltage harmonic wave in power lines may cause abnormalities in self synchronization drive, computer, telephone, etc.
电力线路的电流、电压谐波效应可以引起自同步拖动、计算机、电话等异常运行。
The influences on electric equipments by harmonic wave were introduced. Combing with the practice harmonic wave elimination and dirty flash preventive measures were briefly introduced.
介绍了谐波对电网中电气设备的影响，结合实际情况简述抑制谐波和预防污闪事故的对策。
Based on this, the methods for compensating the harmonic wave are discussed.
在此基础上，对该类系统的谐波补偿方法进行了探讨。
The cause, harm and effect of harmonic wave were introduced.
介绍了谐波的产生原因、危害及影响。
Proceeding from the effect of harmonic wave on the heating of electric motors , the author analyses the corresponding microcomputer protection algorithm and some relevant questions.
从介绍谐波对电动机发热的影响出发，分析了相应的微机保护算法及有关问题。
Further along, the influence of harmonic wave of magnetic conductivity of air gap and saturation of motor on wave pattern of wind electric current of micro-step driving was analyzed.
进而分析了气隙磁导谐波及电机饱和对微步驱动电流波形的影响。
Especially on effective method using inductor and capacitor combined component is giving for constraining high-phase harmonic wave of power, which were of much practical meaning.
提出了用电感电容元件来抑制电源高次谐波，起到了很好的效果，具有较强的实际意义。
The source of the harmonic wave in the power system mainly comes from all kinds of nonlinear devices.
电力系统中产生的谐波主要来自各种非线性用电设备。
The harmonic wave has great harm, and harmonic sources are widely distributed, so the harmonic current caused by different harmonic sources should be analyzed one by one.
由于谐波危害很大，而且谐波源分布广泛，因此对不同谐波源产生的谐波电流应逐个分析。
A higher harmonic wave filter was designed.
设计了高次谐波滤波器。
At the same time, the characteristic of probability of harmonic wave current can be obtained.
同时得到了该次谐波电流的概率统计特性。
The reasons for the generation of harmonic wave in electric network during the running of large scale electrochemical rectification devices are analyzed.
分析大工业电化学整流装置运行过程中产生电网谐波的原因，认为要保证电网的安全运行就要抑制用电设备产生谐波。
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。
In this paper, firstly the mathematic model for variable frequency motor is developed, and harmonic wave is analyzed when variable frequency motor is fed by inversion.
本文首先建立变频电动机的数学模型，对逆变器供电时的谐波进行了分析。
The wave equation having general forms of planar simple harmonic wave is deduced in this article. It is simple and accurate to solve wave equation by using this formula.
推导出了具有一般形式的平面简谐波的波动方程，利用此公式求解波动方程简单而且准确。
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