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Llet
研究了利用混沌相变进行弱信号检测的理论及仿真试验( 对基于)振子初值敏感性检测弱信号的方法分
析后指出，过渡过程会影响检测性能，提出一种改进的弱信号检测方法( 对仿真输入噪声生成和仿真步长选择进行
研究后建立了仿真模型，在典型噪声背景下检测弱正弦信号( 实验结(Studied the use of chaotic phase transitions for weak signal detection theory and simulation test (based on) the sensitivity of oscillator initial value method of weak signal detection analysis pointed out that the transition process will affect the detection performance, an improved method of weak signal detection ( on the simulation input noise generation and simulation step size selection study established a simulation model, in a typical background noise detection of weak sinusoidal signal (experimental colorectal)
- 2021-04-23 14:48:48下载
- 积分：1
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CodingToolbox_v0.7
The channel coding toolbox includes: Channel models: Binary, symmetric channel (BSC)...
- 2012-10-08 01:53:15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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@lgcz
基于图的半监督学习算法，matlab代码。。。。(Semi-supervised learning algorithm based on graph, matlab code. . . .)
- 2014-12-02 08:54:52下载
- 积分：1
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singlelegpw
This is a simulink model for single phase half bridge pwm inverter
- 2012-03-25 17:01:55下载
- 积分：1
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MatDyn1.2
matlab编制的电力系统暂态稳定分析程序，
可计算潮流，机电暂态仿真。带算例，有说明书，鲁汶大学编制(MatDyn is a free Matlab based open source program to perform dynamic analysis of
electric power systems. It is inspired by MATPOWER, a power flow and optimal power
flow program in Matlab and shares its philosophy: “It is intended as a simulation tool
for researchers and educators that is easy to use and modify.” [1]. The source code of
MatDyn is available. Care has been taken to keep it well structured and easy to
understand.)
- 2020-12-07 20:09:22下载
- 积分：1
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cylinder2
[X,Y,Z]=cylinder2(x,y,z,r,N,o)
向量X，Y，Z轴定义圆柱面中心线
和矢量r定义圆柱面半径，并已
为的x，y，z的长度相同
N是周围围点的数量。默认值
为N= 100。
Ø 定义了矩阵圆柱generatix（圆圈）椭圆
表面。其内容以0和1之间的值，并适用于
小学和中学的母线轴。值的defeault
Ø =的（长（x），2）。
矩阵X，Y，Z轴确定圆柱面，冲浪（的X，Y，Z）的显示器
圆柱面。( [X,Y,Z]=cylinder2(x,y,z,r,N,o)
Vectors x, y, z define the central line of cylindrical surface
and vector r defines the radius of cylindrical surface, and has
the same length as x, y, z.
N is the number of points around the circumference. The default value
is N = 100.
Matrix o defines ovality of the generatix (circle) of cylindrical
surface. Its elements take values between 0 and 1 and apply to the
primary and secondary axis of generatrix. The defeault values are
o=ones(length(x),2).
Matrices X, Y, Z define the cylindrical surface, surf(X,Y,Z) displays
the cylindrical surface. )
- 2011-05-15 10:56:33下载
- 积分：1
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least_least_squares_regression
最小二乘拟合，最小二乘拟合直线算法，使用matlab实现最小二乘拟合直线。(Least square fitting, least squares fitting straight line method, using the least squares fitting straight line matlab implementation.)
- 2011-06-14 22:23:20下载
- 积分：1
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Matlab(ODEPPDE)
这是关于微分方程求解的资料，我自己看了好几遍，很经典，并且也很全面，并附有例子(This is a differential equation solver, I have read it several times, very classic, and also very comprehensive, with examples)
- 2012-08-26 10:16:04下载
- 积分：1
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MDS_basic
可以根据图中点的位置判断连接关系，然后搜寻图中的MDS（最小支配集合）(You can determine the connection between the position according to FIG midpoint, then search graph MDS (Minimum Dominating Set))
- 2014-01-15 14:23:53下载
- 积分：1
