取样物理量为无功功率，具有谐波测量及保护功能。
Sampling physical parameter is inactive power which has functions of harmonic measurement and protection.
提出了电力网络在线谐波测量分析的新系统构架思想。
A systematic concept for the online measuring and analysis of power network harmonic is presented.
本论文研究的方向是建立一个高精度实时谐波测量系统。
The researching intention of this paper is to establish a high precise and real time harmonics measuring system.
提出了一种基于人工神经元网络(ANN)的电力系统谐波测量方法。
AN approach of measuring harmonics in power system based on artificial neural network (ANN) is put forward in this paper.
针对电力系统谐波测量方法存在的问题，提出了一种基于锁相倍频采集方法。
Aiming at the existing problem in harmonics measurement of power system, the paper (presented) a collecting method based on frequency multiplication phase-locked.
谐波测量方法是谐波测量的核心环节，本文对谐波测量方法进行了研究分析。
Harmonic detection is the important part of harmonic issue and harmonic detection method is the key of harmonic measurement. This paper primarily studies the harmonic detection methods.
采用此算法可实时跟踪电网频率波动，极大地减小频谱泄漏提高谐波测量精度。
This method adjusts sampling interval to trail after the power system frequency while harmonics analyzing, so that this method greatly reduces the spectrum leakage.
当电压、谐波测量显示值超出设定的上、下限保护值的范围时，控制器报警指示灯亮。
When display value of voltage is out of the scope of upper and lower limit protection value, alarm indication lamp of controller is lighted.
软件针对8位单片机特点精心设计，在保证计算精度的同时，提高了谐波测量速度．。
The software is designed precisely and skillfully in accordance with the characteristics of 8 bit microcomputer, so both good calculation accuracy and high measurement speed are obtained.
自提出快速傅里叶变换算法(FFT)以来，基于傅里叶变换的谐波测量便得到了广泛应用。
Since the Fast Fourier Transform (FFT) was presented, the harmonics measurement based on Fourier Transform which requires synchronous sampling has been used widely.
谐波测量方法是谐波测量的核心环节，本文对基于倍频旋转变换理论的谐波测量方法进行了研究分析。
Harmonic measure method is the key of the measurement. In this paper, the harmonic measure method which based on the multiple frequency rotate transform theory is researched and analyzed.
第二章介绍了谐波分析的基本原理和谐波测量的主要方法，然后对电力系统的谐波管理作了简要说明。
The second chapter introduced the fundamental theories of harmonic analysis and the main methods of harmonic detection, then made a brief direction of harmonic administration.
FFT是谐波测量中使用最广的方法之一，但利用其进行测量时存在着频谱泄漏，影响测量结果准确性。
Although FFT is the efficient approach in harmonic measurement fields, it results in spectral leakage, which affects the accuracy of measurement.
本文首先介绍了国内外电力系统谐波测量装置的现状，分析了数字信号处理芯片在电力系统中的应用情况。
By analyzing the situations of the electric harmonic monitoring equipments home and abroad, aiming at the demand of power department and the practical applications.
为了更好满足谐波测量的实时性和测量精度，我们进一步研究了基于多层前馈神经网络在谐波测量中的方法。
In order to improve the real-time and precision, the methods with multi-layer feed-forward neural networks are investigated more.
应用该测量系统测试高压电网中的谐波，可以避免因高压电网中取自电容式电压互感器（CVT）的谐波测量信号失真的问题。
The system can measure the harmonic in HV power network, and avoid the problem of harmonic measure signal distortion caused by capacity type voltage transformer (CVT).
并阐述了如何利用该仪器实现供电系统谐波的自动测量，实践证明，U900F便携式电能质量分析仪的应用不但简化了谐波测量，同时也提高了测量精度。
Meanwhile, how to use this device to measure power system harmonic is discussed also. Using U900F Instrument can improve the precision of measure and make the measure fairly simple.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
谐波分析测量法。
对电流谐波进行理论分析和实验测量，二者结果吻合。
Theoretical analysis and experimental measurement for current harmonics, the results are agreement.
本文讨论了数字录放音系统的动态范围和总谐波失真的意义及其测量原理。
In this paper, the meanings of dynamic range and total harmonic distortion of digital recording system and their measurement principles are discussed.
电能质量，测量，电能质量监测，谐波分析。
Power quality, Measure, Power quality monitor, Harmonic analysis.
利用该VI程序测量开关电源输出量的谐波；
Using the VI program to measure the harmonic of switching power supply.
结论tte结合组织谐波功能可以准确测量硬缘asd大小，是指导A SD封堵的可行、有效、简便方法。
Conclusions TTE with tissue harmonic function can be used to accurately measure the size of hard-rim ASD and is a feasible, effective and simple method for guiding ASD occlusion.
其测量信号是经过TA末屏电压信号放大器引入谐波信号数字测量分析系统的。
Its measurement signal is to lead into harmonic signal digital measurement analysis system via ta end screen voltage signal amplifier.
结果表明两级喇曼压缩系统配偏振干涉能有效抑制主束谐波影响，以更高时间分辨测量等离子体的更高密度区域。
The result shows that with the aid of the probe beam, the electron density can be probed with a much higher temporal resolution and the disturbance of harmonic can be effectively avoided.
计算机仿真及实际的配电综合测控仪中的应用表明该方法能有效提高测量谐波的准确度。
The results of computer simulation and the application on the electrical power measurement instrument have shown that the method improves the accuracy of the harmonic analysis.
计算机仿真及实际的配电综合测控仪中的应用表明该方法能有效提高测量谐波的准确度。
The results of computer simulation and the application on the electrical power measurement instrument have shown that the method improves the accuracy of the harmonic analysis.
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