间谐波

基于插值FFT算法的间谐波参数估计

Interharmonics Estimation Based on Interpolation FFT Algorithm

讨论了间谐波的特点及检测方法，提出了基于加窗插值FFT算法的间谐波参数估计；

This paper discusses interharmonics ' characteristics , measurement methods and proposes interharmonics estimation based on interpolation FFT algorithm .

基于AR模型的间谐波检测算法的研究

Interharmonics measuring algorithm based on AR model spectral estimation

DFT滤波器组在电力系统间谐波测量中的应用研究

Study on Application of DFT Filter Bank to Power System Interharmonics Measurement

上位机软件在VC环境中实现，主要功能是间谐波识别算法实现和人机界面。

PC software was developed under the VC environment , its main functions are data processing and interface design .

提出AR模型谱估计与双峰谱线修正算法相结合的间谐波检测方法。

A method for interharmonic measurement is presented based on AR model spectral estimation and correction algorithm of double spectral lines .

针对信号中存在的间谐波问题，研究了基于加窗FFT和神经网络的电力系统谐波及间谐波分析方法。

Considering the inter-harmonic problem in power systems , a windowed FFT and neural network based approach is proposed for inter-harmonic measurement .

基于时域平均的Prony法在间谐波检测中的应用

Prony Method Based on Time-Domain Averaging Approched to Interharmonics Detecting

基于Prony算法的谐波和间谐波频谱估计

Spectrum Estimation of Harmonics and Interharmonics Based on Prony Algorithm

阻性泄漏电流基波和3次分量是反映MOA劣化现象的两个故障特征量，仿真分析对此问题及间谐波电压对阻性泄漏电流的影响。

Resistive first-harmonic current and third-harmonic current are the two fault eigenvectors reflecting MOA 's aging phenomenon .

在连接不同频率的交流网络时，它不仅存在通常HVDC系统的特征谐波、非特征谐波，还存在着间谐波。

When the frequencies of the joined AC systems are different , there will be not only characteristic harmonics and uncharacteristic harmonics but also interharmonics .

在多抽样率数字信号处理技术的基础上，研究了一种利用离散傅立叶变换（DFT）滤波器组来检测系统间谐波的方法。

Based on multi-rate digital-signal-processing ( DSP ) technique , the paper presents a discrete-Fourier-transform ( DFT ) filter bank for power system interharmonic measurement .

然后从原始信号中滤除整数次谐波成分，使用Prony法计算间谐波成分，模型阶数降低。

In the second stage , using the signal filtered harmonics , the rank of Prony model is reduced .

由于传统的FFT算法在检测间谐波方面有一定的局限性，针对该局限性，提出了适合间谐波检测的基于AR模型的现代谱估计方法。

To overcome the limitations of FFT based algorithms in interharmonics measurement , a new algorithm based on AR model spectral estimation and suitable for measuring interharmonics is presented in this paper .

基于TLS-ESPRIT算法和支持向量机的间谐波检测

Interharmonics Detection Based on TLS-ESPRIT and SVM Algorithm

最后基于谐波分析法和相量法的结合，建立了消除相间干扰和电网谐波（含间谐波）影响的MOA在线监测动态的数学模型。

Based on harmonic and vector analytical method , a MOA 's on-line monitoring model is established to eliminating the effect of inter-phase interference and harmonics , including interharmonics .

经过电弧炉模拟系统试验证明，Prony算法在谐波和间谐波信号分析中，可提供有效、准确的分析结果。

The experiment results of the arc furnace system prove that the Prony method can provide effective and accurate results in the analysis of harmonics and interharmonics .

最后，对如何利用USB2.0与PC机进行实时波形显示、设备故障录波、间谐波分析等功能拓展进行了探讨。

The function extension is discussed , such as the real - time waveform display , fault wave recording , inter - harmonics analysis and so on with USB 2.0 port and PC.

将基于子空间方法的超分辨率谱估计理论引入电力系统谐波、间谐波分析领域，讨论了基于子空间分解的MU-SIC算法原理。

The subspace-method-based super-resolution spectral estimation theory is introduced to harmonics and inter-harmonics analysis in the electric power system . The subspace-based MUSIC algorithm is introduced .

一种用于电力系统谐波与间谐波分析的超分辨率算法

A Super-resolution Algorithm for Harmonic and Inter-harmonic Analysis in Power System

用对称分量法检测间谐波背景下的基波分量

A Method to Detect Fundamental Component by Symmetrical Component under Inter-Harmonics

基于多信号分类法和普罗尼法的间谐波参数估计

Inter-harmonic parameter estimation based on multi-signal classification and Prony method

间谐波频率分量的频域奇异值算法

SVD algorithm in frequency domain for frequency component of interharmonics

提出一种基于时频原子方法的间谐波分析方法。

A new method to analyze inter-harmonics by time-frequency atom is proposed .

基于小波分析的间谐波检测与去噪研究

Research on the Detection and Denoising of Interharmonics Based on Wavelet Analysis

与此同时，电力用户对电能质量的要求越来越高。因此，准确地进行电力谐波及间谐波检测有重要的意义。

In the meantime , power users demand high power quality increasingly .

基于小波算法的电力系统间谐波测量

Measurement of Interharmonics in Power Systems Based on Wavelet Transform

另外，信号中可能存在的间谐波与背景噪声也构成了对谐波分析的影响。

Besides , inter-harmonics and noise may exist in the measured signal .

基于复调制细化谱分析的间谐波检测方法研究

Research on Inter Harmonic Detection Method Based on Zoom FFT

间谐波是电力系统中一种特殊的谐波。

Interharmonics are special harmonic in electric power system .