谐波分析

The method was used to many applications such as industrial heating and speed control of induction motors.On the basis of the advantages and disadvantages of the methods of the high-pressured sodium lamp dimmer in both here and abroad, a new scheme is proposed.

并在研究和比较了国内外目前在高压钠灯调光方法的优缺点的基础上，提出了一种在目前的高压钠灯的调光系统中还未被使采用过的、有别于传统方法的、基于谐波分析理论和自动控制理论的实施方案。

Simulation indicates that Hermite interpolation is superior to the cubic spline interpolation in harmonic analysis.

仿真表明，Hermite插值比三次样条插值对谐波分析更具优势。

A robust support vector algorithm for harmonics analysis of electric power system .

电力系统谐波分析的稳健支持向量机方法研究。

Analysis of higher harmonics for FEL with a novel electrostatic wiggler .

静电摇摆器自由电子激光器的高次谐波分析。

Summarize:Measuring function: three-phase voltage、wire voltage、current、frequency、active power、reactive power、power factor、bi-directional active energy、bi-direction reactive energy parameters etc. The additory functional module can conveniently extend DI/DO、harmonic analyzing etc; RS485 communication port, Modbus-RTU agreement ; Wide LCD screen convenient for viewing.

测量功能：三相电压、线电压、电流、频率、有功功率、无功功率、功率因数、双向有功电度、双向无功电度等，增选功能模块可方便扩充DI/DO，及谐波分析等功能；RS485通信接口，Modbus-RTU协议；大屏幕LCD显示。

The paper presents a new method based on the wavelet-packet transform for the analysis of harmonic groups in power systems, compatible with the standards of the International Electrotechnical Commission.

本文提出了一种新方法的基础上，小波包变换为谐波分析组在电力系统中，符合标准的国际电工委员会。

G. RMS value of the voltage, current, active power and frequency spectrum etc, can be measured with much improved accuracy under nonsinusoidal situation.

应用μC构成智能化的测量装置，当用于测量畸变波形下的电压、电流有效值、有功功率等量和进行谐波分析时，能够获得很高的测量准确度。

To reduce the influence of an unsynchronized sample sequence on FFT and to improve the precision of harmonics in electric power system, this paper improves the algorithm by using windows and interpolation methods.

为了减小非同步采样对快速傅立叶变换的影响，提高电力系统中的谐波分析精度，文中通过加窗和插值对原算法进行了改进。

The results demonstrate that the proposed multi-harmonic method is very efficient for studying the mistuning effects on the resonant response of bladed disks with blade-to-blade dry friction damping, especially considering the combined effects of various system parameters.

结果表明，提出的多谐波分析法能够高效地研究失谐对带有叶间干摩擦阻尼的叶盘系统共振响应的影响特征，尤其适合考虑各种系统参数的综合影响。

An efficient multi-harmonic method is proposed for studying the effects of mistuning on resonant features of bladed disks with blade-to-blade dry friction damping.

贺尔铭 ，王红建提出一种高效的多谐波分析方法，以用于研究失谐对带有叶间干摩擦阻尼的叶盘系统共振特性的影响规律。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。