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WaveletTransform
说明: 时频分析方法是非平稳信号处理的一个重要分支,它是利用时间和频率的联合函数来表示非平稳信号,并对其进行分析和处理,利用时频分析法对语音信号进行去噪。(Non-stationary time-frequency analysis is an important branch of signal processing, it is the joint use of time and frequency functions to represent the non-stationary signal and its analysis and processing, using time-frequency analysis of the speech signal denoising.
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- 2010-04-21 17:04:13下载
- 积分:1
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xiaobobao
ch3=softt(h3,thr1 clear
clc
I=imread( lena512.bmp )
imshow(I)
I=double(I)
II=I+30*randn(size(I))
figure
imshow(II,[])
[a1,h1,v1,d1]=dwt2(II, sym8 )
[a2,h2,v2,d2]=dwt2(a1, sym8 )
[a3,h3,v3,d3]=dwt2(a2, sym8 )
sigma=median(abs(d1(:)))/0.6745
x=3*sigma
thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x 小波图像去噪( ch3=softt(h3,thr1 clear
clc
I=imread( lena512.bmp )
imshow(I)
I=double(I)
II=I+30*randn(size(I))
figure
imshow(II,[])
[a1,h1,v1,d1]=dwt2(II, sym8 )
[a2,h2,v2,d2]=dwt2(a1, sym8 )
[a3,h3,v3,d3]=dwt2(a2, sym8 )
sigma=median(abs(d1(:)))/0.6745
x=3*sigma
thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x )
- 2012-05-26 11:08:34下载
- 积分:1
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62(A-spectral-clustering-algorithm-based-on-intui
a spectral clustering algorithm based on fuzzy information
- 2015-04-13 14:38:12下载
- 积分:1
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lugui
利用高斯消去法求矩阵LU分解的matlab源代码(Gaussian elimination demonstration.)
- 2009-09-26 20:16:36下载
- 积分:1
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Availability
To Calculate QOS and how it affects Security
- 2009-03-20 09:29:26下载
- 积分:1
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The-infrared-target-detection-method
本程序采用matlab编码,一共有包括帧间差分法、背景差分法、光流法、混合高斯模型法四种方法来实现红外目标检测的功能,代码检测易懂,适合初学者多多借鉴~(This procedure using matlab coding, a total including the inter-frame difference, background subtraction, optical flow method, Gaussian mixture model approach are four ways to achieve infrared target detection capabilities, code detection understand for beginners learn a lot ~)
- 2013-07-20 15:17:29下载
- 积分:1
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HybridPrecodingMassiveMIMO-master
说明: Hybrid Precoding Massive MIMO -master(Hybrid Precoding Massive MIMO-master)
- 2020-02-25 19:28:55下载
- 积分:1
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sgLasso
目前比较流行的稀疏分解重构程序,可以用在人脸识别、字典构造等方面。(Currently popular sparse decomposition and reconstruction process, can be used in face recognition, dictionary structure and so on.)
- 2011-01-05 21:48:19下载
- 积分:1
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23344
离散信道容量的迭代算法及其实现离散信道容量的迭代算法及其实现(Discrete iterative algorithm for the channel capacity and channel capacity for discrete iterative algorithm and its implementation)
- 2010-05-14 16:13:36下载
- 积分:1
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MFC-kulei
一本讲解matlab库类的好书 讲解很详细 适合初学者使用(a book for MFC kulei)
- 2011-12-03 10:55:08下载
- 积分:1