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HHT_power-system_power-quality_disturbances-detect
优秀论文及配套源码。Hilbert-Huang变换(HHT)是一种新的非平稳信号处理技术，该方法由经验模态 分解(EMD)与Hilbert谱分析两部分组成。任意的非平稳信号首先经过EMD方法处理后被分解为一系列具有不同特征尺度的数据序列，每一个序列称为一个固有模态函数(IMF)，然后对每个IMF分量进行Hilbert谱分析得到相应分量的Hilbert谱，汇总所有Hilbert谱就得到了原信号的谱图。该方法从本质上讲是对非平稳信号进行平稳化处理，将信号中真实存在的不同尺度波动或趋势逐级分解出来，最终用瞬时频率和能量来表征原信号的频率含量。
本文研究了基于HHT的暂态电能质量扰动检测方法，介绍了HHT的基本原理和利用HHT检测电能质量多扰动信号的实现方法。仿真试验表明该方法可以实时检测扰动的起止时刻，持续时间和扰动幅度，适用于电能质量多扰动的监测和辨识系统。
(Hilbert-Huang Transform(HHT) is a new non-stationary signal processing technology，including the Empirical Mode Decomposition(EMD) and Hilbert spectral analysis．In this method，arbitrary non-stationary signals was divided into a series data sequence with different characteristic scales after the first EMD treatment，each sequence is called an intrinsic mode function(IMF)，and then each IMF component gained corresponding the Hilbert spectrum though Hilbert spectrum analysis，a summary of all Hilbert spectrum assembled to the spectra of the original signal．In essence，this method is a stable processing for non-stationary signal，which decomposed the different fluctuations or trends in the signal in rum，and represented the frequency content of the original signal using the final instantaneous frequency and energy．
This paper study a method to detect power quality disturbances based on the HHT，in which the principle and the realization of the HHT and the realization of power quality disturbance)
- 2021-04-24 10:48:48下载
- 积分：1
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dijkstra
用Dijkstra algorithm 算法实现的路由协议，适用链路状态矢量协议ospf等， (matlab 源码）(This program uses the Dijkstra algorithm to find the lowest cost paths
from every node to every other node. )
- 2010-03-06 17:52:57下载
- 积分：1
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bricksborn
实现了对视频序列的brick分割，使之分割成几个基元。(To achieve a brick split the video sequence, so split into several primitives.)
- 2011-07-20 17:17:21下载
- 积分：1
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DOA-Unitary--ESPRIT-MATLAB
本程序是实现波达方向DOA估计，采用Unitary -ESPRIT算法，具有一定的参考价值。。(This program is DOA DOA estimation using Unitary-ESPRIT algorithm has a certain reference value. .)
- 2014-12-26 11:09:10下载
- 积分：1
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sanxiangnibianfangzhengaile2
三相逆变并网，采用全前馈能有效抑制谐振。(Three-phase inverters connected to grid can effectively suppress resonance by using full feed-forward.)
- 2019-04-26 09:54:12下载
- 积分：1
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SVC
说明： SVC Model 1TCR-3TSC Matlab Simulink
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feixianxingzuixiaoerchengyouhua
matlab编程，解决非线性最小二乘优化问题，数学建模适用(matlab program to solve nonlinear least squares optimization problems, mathematical modeling applied)
- 2011-11-11 11:30:00下载
- 积分：1
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highboostmask
highboost filter for image enhancement
- 2009-11-10 03:54:22下载
- 积分：1
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Breast
说明： 乳腺X光片中可疑区域的多分辨率分割的源代码(Breast X-ray film multi-resolution segmentation of suspicious regions)
- 2010-04-05 16:57:22下载
- 积分：1
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Basics-of-MATLAB-and-Beyond---Andrew-Knight
basics for programming in matlab
- 2011-08-31 04:07:09下载
- 积分：1
