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wavelets

于 2008-12-29 发布 文件大小:174KB
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  基于小波变换的图像压缩编码,实现了多种小波变换,并且实现了12:1的高压缩率。(Based on Wavelet Transform Image Coding, to achieve a variety of wavelet transform, and achieved a high 12:1 compression ratio.)

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  • BackProjectionbyrao
    多点目标 单站SAR的回波信号仿真以及BP后向投影成像 参数见合成孔径雷达成像——算法与实现一书表6.1 运行结果正确,注释比较详细(Percent more single station SAR point target echo signal simulation and backward projection imaging BP parameters, see synthetic aperture radar imaging- algorithm and implementation of a book Table 6.1 run result is correct, more detailed notes)
    2020-10-28 22:19:58下载
    积分:1
  • 《MATLAB小分析(第2版)》张德丰
    《MATAB小波分析(第2版)》张德丰 书籍配套所有源代码("MATAB wavelet analysis (Second Edition)" - Zhang Defeng, books supporting all the source code)
    2020-07-03 09:40:02下载
    积分:1
  • Harmnic
    谐波小波包分解程序,并且将其应用于声发射信号特征提取(Harmonic wavelet packet decomposition procedure, and will be applied to acoustic emission signal feature extraction)
    2012-03-04 14:33:21下载
    积分:1
  • waveletdenoising
    小波变换应用,小波软阈值及硬阈值去噪算法及对此算法的改进算法。(Application of Wavelet Transform, wavelet soft threshold and hard threshold denoising algorithm and improved algorithm for this method.)
    2021-04-08 20:39:00下载
    积分:1
  • liftwavedec2
    计算第二代harr小波变换或者说是整数提升小波变换的源代码(Calculation of second-generation or harr wavelet transform is an integer lifting wavelet transform of the source code)
    2009-06-05 08:44:10下载
    积分:1
  • qubeijing
    用小波变换去除荧光背景,扣除基线。matlab(Remove fluorescence background, net baseline using wavelet transform. matlab)
    2020-11-10 16:29:46下载
    积分:1
  • dtcwt
    双树复小波程序,具有平移不变心,改进了小波变换(The DTCWT program with shift-invariant heart improve wavelet transform)
    2013-04-24 14:39:28下载
    积分:1
  • matlab程序
    小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的"时间-频率"窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,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。(Wavelet transform (WT) is a new transform analysis method. It inherits and develops the idea of localization of short-time Fourier transform and overcomes the shortcomings that window size does not vary with frequency. It can provide a frequency-dependent The Time-Frequency window is ideal for time-frequency analysis and processing of signals. Its main feature is that by transforming some features that can fully highlight some aspects of the problem, the localization of the time (space) frequency can be analyzed, and the signal (function) can be gradually and multi-scale refined by the scaling operation, finally reaching the high frequency Time subdivision, frequency subdivision at low frequencies, can automatically adapt to the requirements of time-frequency signal analysis, which can focus on any details of the signal to solve the difficulties of Fourier transform has become a major breakthrough in the scientific method since Fourier transform.)
    2018-03-05 14:32:13下载
    积分:1
  • wavelet_atrous
    This is a wavelet program.
    2012-07-27 10:11:25下载
    积分:1
  • Source
    its c-wavelet transform
    2014-02-05 23:16:47下载
    积分:1
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