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DWT.m

于 2014-11-01 发布 文件大小:6KB
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下载积分: 1 下载次数: 13

代码说明:

  离散小波变换的简单程序,适合初学者学习,附有通用函数。(Simple procedures discrete wavelet transform, suitable for beginners to learn, with common functions.)

文件列表:

小波变换
........\DWT.m.m,4914,2014-10-26
........\小波变换噪音.txt,5199,2014-10-26
........\通用函数.txt,4152,2014-10-26

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  • LSB8
    将图像按位平面分解,然后在最低有效为嵌入一定的信息,达到数字隐藏的作用,是最原始的数字水印技术(image caput plane decomposition, and then embedded in the lowest effective for certain information, to hide the figures, is the most primitive digital watermarking technology)
    2006-06-06 09:51:04下载
    积分:1
  • wavenet
    小波神经网络,实现曲线拟和,数据分类,故障诊断,学习速度快于传统BP。(Wavelet neural network, and realize curve fitting, data classification, fault diagnosis, learning faster than the traditional BP.)
    2008-04-16 21:46:46下载
    积分:1
  • simple53
    说明:  LeGall(5,3)小波滤波器,其计算复杂度小、存储开销低、压缩效率高,已被JPEG2000标准采用。提升小波实例c语言实现(Lifting Wavelet Example C Language Implementation)
    2019-06-15 12:16:39下载
    积分:1
  • xiaobofenxijiangyi
    说明:  小波(Wavelet)这一术语,顾名思义,“小波”就是小的波形。所谓“小”是指它具有衰减性;而称之为“波”则是指它的波动性,其振幅正负相间的震荡形式。与Fourier变换相比,小波变换是时间(空间)频率的局部化分析,它通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的困难问题,成为继Fourier变换以来在科学方法上的重大突破。有人把小波变换称为“数学显微镜”。 这套讲义生动详实的快速带领初学者掌握小波的基本要点,是不可多得的好材料!(This is a handbook about Wavelet.)
    2009-09-02 15:44:17下载
    积分:1
  • jixujiaoyu1
    很好的继续教育教材,提升素质必备啊!不可错过!十分的好(Good continuing education materials, enhance the quality of essential ah!)
    2015-03-02 19:51:23下载
    积分:1
  • sound_sep1
    独立分量分析(ICA)算法编码,盲源信号分离(声音信号的分离)(Independent component analysis (ICA) algorithm coding, Blind Source Separation (voice signal separation))
    2006-10-31 21:51:31下载
    积分:1
  • Wavelet-Tools
    美国Rice大学提供的matlab 小波代码,要比matlab自带的matlab更易用(Rice University, USA matlab wavelet code comes than easier to use)
    2012-06-25 15:52:57下载
    积分:1
  • ISARchengxiangfangzhen
    设定雷达和目标参数,选取目标中心与雷达的距离为参考距离,采取dechirp方式接收信号,直接对回波信号进行二维FFT得到的成像结果,并采用Keystone法(即重采样法)校正越距离单元徙动。(Set the radar and the target parameters, select the center of the target and the distance from the radar as the reference distance, take reception dechirp signal, directly on the echo signals, the imaging results obtained by the two-dimensional FFT, and the Keystone method (i.e., re-sampling) Vietnam correction range cell migration.)
    2013-05-20 15:43:22下载
    积分:1
  • 02
    说明:  2.1 傅里叶变换 2.1.1 经典傅里叶变换 2.1.2 傅里叶变换的基本性质 2.1.3 快速傅里叶变换 2.1.4 短时傅里叶变换 2.2 小波分析与多分辨率分析的历史 2.3 小波分析与傅里叶变换的对比 2.4 小波变换 2.4.1 连续小波变换 2.4.2 离散小波变换 2.4.3 高维小波连续变换 2.5 常用小波基函数 2.5.1 小波函数 2.5.2 小波函数系 2.5.3 复数小波 2.6 构造紧支撑正常小波基 2.7 多分辨率分析与小波构造 2.8 分析小波包 2.8.1 小波包的定义及性质 2.8.2 分解小波包的空间 2.8.3 小波包算法(2.1 Fourier transform 2.1.1 classical Fourier transform 2.1.2 The basic properties of the Fourier transform 2.1.3 Fast Fourier Transform 2.1.4 short time Fourier transform 2.2 wavelet analysis and multi-resolution analysis of the history of 2.3 Wavelet Analysis and comparison of the Fourier transform 2.4 Wavelet Transform 2.4.1 Continuous Wavelet Transform 2.4.2 Discrete Wavelet Transform 2.4.3 Continuous high-dimensional wavelet transform 2.5 Common wavelet basis function 2.5.1 wavelet function 2.5.2 Department of wavelet function 2.5.3 Complex Wavelet 2.6 Construction of compactly supported wavelets normal More than 2.7 resolution analysis and wavelet construction 2.8 Analysis of Wavelet Packet 2.8.1 Definition and properties of wavelet packet 2.8.2 wavelet packet decomposition space 2.8.3 Wavelet Packet Algorithm)
    2013-10-19 16:34:13下载
    积分:1
  • beamshape
    对入射光进行相位调控,再经过傅里叶变换后进行输出,显示各个截面的光场分布(The incident light is regulated by phase, and then the output is carried out after Fourier transform, and the distribution of the light field of each section is displayed)
    2020-10-12 23:27:32下载
    积分:1
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