Detecting for fundamental positive,negative sequence and harmonic components based on two-dimension fan-in transfer vector;
基于二维扇合矢量的基波正序、负序及谐波分量检测法
Null position residual voltage was mainly composed of fundamental wave and asymmetrical harmonic component.
就信号电机的零位剩余电压从机理上进行分析,零位剩余电压主要由基波分量及谐波分量组成;零位剩余电压产生的主要原因是铁心涡流磁滞的不均匀性,以及加工中造成的不对称性。
From the band-pass property of wavelet function,a non-sinusoidal current signal is detected based on wavelet transform under different scales,the fundamental and harmonic components in the signal and their RMSes are obtained thereby.
从小波函数的带通性质出发,利用小波变换在不同尺度下对非正弦电流信号进行检测,由此得出了它的基波和谐波分量及其有效值。
Research on Solution of Correct Origin Phase of Fundamental Wave and Harmonic by FT;
用傅氏算法求正确的基波及谐波分量初始角
Increasing SNR of Dynamic Spectrum Method Using Harmonic Waves
利用谐波分量提高动态光谱法的信噪比
Error Analysis of Harmonic Effect on Electric Energy Measurement
谐波对电能计量装置影响的误差分析
Digital Dielectric Loss Measurement Based on Improved Harmonic Analysis Method
基于改进谐波分析法的介损数字测量
Electrical Power System Overtone to Electrical Energy Measurement Impact Analysis
电力系统谐波对电能计量的影响分析
Dielectric Resonator Materials, Measurements of Dielectric Properties and Decimetre Wave Filter
介质谐振器材料、电性测量和分米波滤波器
A harmonic analysis indicates that annual variations are dominated by wave one.
谐波分析表明,旬降水量年变化以1波为主。
Analysis of Harmonics over Normal Reason and Study on Power Energy Metering within Harmonics;
谐波超标原因分析及含谐波的电能计量问题研究
ANL YZING ENTROPY OF FLEXIBLE WHEEL AND DESIGNING OF MOST OPTIMAL GEOMETRIC SHAPE ABOUT THE FLEXIBLE WHEEL OF SEAL HARMONIC DRIVE GEAR
封闭谐波齿轮柔轮能量熵分析和形状优化设计
The Research & Development of Electricity Parameter Measurement & Harmonic Wave Analysis System Based on DSP;
基于DSP的电力参数测量及谐波分析系统
The Analytic Equipments of Harmonics Energy s Measuring Error Based on the BP Neural Network;
基于BP神经网络的谐波电能计量误差分析装置
The Research of High Accuracy Electric Network Harmonics Measure and Analysis System;
高精度电网谐波测量与分析系统的研究
Realization of Power Quality Data Sampling and Harmonic Analysis Method;
电能质量数据采集和谐波分析方法的实现
Harmonics detecting and analyzing of PV grid connected generation systems
光伏并网发电系统中的谐波测量及分析
A method based on ESPRIT for harmonics and interharmonics parameters estimation of power quality analysing system
一种基于ESPRIT的电能质量系统谐波分析方法
Analysis and discussion of power harmonics influencing the electric energy computation
电力谐波对电能计量影响的分析与探讨
Research on Harmonic-transmitting Feature Based on Symmetrical Component
基于对称分量法的变压器谐波传输特性研究
Analysis and elimination for leakage error in sub-bands of harmonic power measurement based on a trous algorithm
多孔算法谐波功率测量带内误差分析与消除
