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dm
说明： this is source code for delta modulation in matlab
- 2009-11-10 21:48:37下载
- 积分：1
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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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SAR-imaging
合成孔径雷达成像系统点目标仿真matlab
3点 (Synthetic aperture radar imaging system point target simulation matlab 3 points)
- 2013-04-30 12:47:05下载
- 积分：1
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Dijkstra
该程序用Dijkstra算法寻找最小路径。输入为起点，终点，邻接矩阵。输出为最短距离，最短距离对应的路程。代码有详细注释说明。(The procedure used Dijkstra algorithm to find the minimum path. Enter as a starting point, end point adjacency matrix. The output is the shortest distance, shortest distance corresponds to the distance. Codes are detailed explanatory notes.)
- 2015-05-08 17:11:21下载
- 积分：1
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separation-of-p-and-s-wave
二维交错网格纵横波分离的弹性波正演模拟 matlab仿真(Two-dimensional staggered grid of p-wave elastic wave forward modeling of the separation of the matlab simulation)
- 2020-11-11 21:29:44下载
- 积分：1
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optimization
许多生产计划与管理问题都可以归纳为最优化问题, 最优化模型是数学建模中应用最广泛的模型之一,其内容包括线性规划、整数线性规划、非线性规划、动态规划、变分法、最优控制等.
(matlab matlab matlab matlab optimization)
- 2020-06-30 12:20:02下载
- 积分：1
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viterbi
维特比算法，用于对卷积码进行解码，算法最小化汉明距离而不是似然函数(Viterbi algorithm. The Viterbi decoder for convolutional codes.This algorithm minimizes the metric rather than maximizingthe likelihood.)
- 2011-11-18 15:01:56下载
- 积分：1
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The-frequencies-and-mode-shapes
通过简短的matlab程序，实现对二维悬臂梁的固有频率和振型计算。(The frequencies and mode shapes of the 2D cantilever beam)
- 2014-04-19 12:38:40下载
- 积分：1
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rmsplanar
adaptive beam forming in smart antennas using rls algorithm in planar antennas
- 2010-09-16 12:53:20下载
- 积分：1
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project_inliers
cmake验证是否安装正确， 验证是否安装正确(cmake cmake cmake installation installation correct)
- 2014-09-22 07:49:05下载
- 积分：1
