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subtraction-speech-denoising

于 2020-12-02 发布 文件大小:325KB
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  一种基于改进谱减法的语音去噪新方法,对于想学习谱减法的同学有很大的帮助(A kind of based on improved spectral subtraction speech denoising, a new method to want to learn the spectral subtraction classmates have a lot of help )

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subtraction speech denoising.caj,381767,2012-10-23

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  • 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
  • CurveLab-2.1.3
    可用于曲波变换的工具箱,用于含噪声的图像的去噪过程,图像分解,有例子可直接运行。只可用于学术研究目的。(the Latest curvelet transform lab tool ,Non-commercial research use for Academics. Image decomposition, there are examples can be run directly.)
    2013-10-31 11:06:28下载
    积分:1
  • Daubechies4-Hilbert
    实现信号希尔伯特变换,以及小波变换,小波变换要求数据长度是2的N次幂(The signal Hilbert transform and wavelet transform, wavelet transform requires that the data length 2 is N th)
    2013-05-18 23:42:25下载
    积分:1
  • leidaxinhaoyuchuli
    对雷达信号进行预处理。输入设定的LFM信号,进行数字正交解调以及匹配滤波最后是相参积累。从而得到LFM信号频谱图,解调后的频谱,想干积累输出等结果。 (The radar signal preprocessing. Input set of LFM signal, digital quadrature demodulation and matched filtering the last coherent integration. LFM signal spectrum, the demodulated spectrum accumulated wanted output results.)
    2013-05-20 15:28:43下载
    积分:1
  • thresold
    说明:  基于小波变换阈值去噪的MATLAB源代码(包含小波包去噪程序)(threshold based on wavelet transform Denoising MATLAB source code (including wavelet denoising packet procedure))
    2020-11-24 22:09:34下载
    积分:1
  • denoise_image_with_two_methods
    分别用小波、分形的方法对图像进行去噪,并对这两种方法的结果进行了比较。(Wavelet, respectively, the method of fractal image denoising, and the results of these two methods are compared.)
    2008-05-17 09:07:43下载
    积分:1
  • OFDM
    OFDM系统完整程序,小波/小波包变换在OFDM中的应用的程序。(Complete program of the OFDM system, wavelet/wavelet packet transform in OFDM applications program.)
    2012-05-17 23:28:28下载
    积分:1
  • XIAOBOQUZAO
    小波分析在心电信号去噪中的应用,小波变换在心电图数据处理中的应用研究(Wavelet analysis of ECG signal denoising)
    2014-03-26 19:35:25下载
    积分:1
  • tWavveletVCReh
    通过设计Visual C程序源码对简单易懂的一维信号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波与Haar小波变换,从而的到小波分解系数;再通过改变分解的到的各层高频系数数进行信号的小波重构达到消噪噪的目的。在这一程序源码实现的过程中能直观地理解信号小波分解重构的过程与在信号消噪中的重要作用,和在对各层高频系数进行权重处理时系数的选取对信号消噪效果的影响。 可直接 (Design Visual C program source code on a simple one-dimensional signal with a Gaussian white noise Daubechies wavelet, Morlet wavelet and Haar wavelet transform, and thus to the wavelet coefficients and then change the decomposition to each storey wavelet reconstruction frequency coefficient of the number of signal to noise canceling noise. In the process of realization of this program source code can be intuitively understood the signal wavelet decomposition and reconstruction process and an important role in signal denoising, and the selection coefficient in the high frequency coefficients of the layers of the weight of processing noise cancellation signal impact. Can be directly)
    2012-07-27 16:21:08下载
    积分:1
  • waveletdenoise
    这是本人的图像处理作业 包括利用各种基于小波的去噪过程,如硬阈值 软阈值等。。内容很丰富哦!相信一定对你有帮助的!(This is my image processing operations including the use of wavelet-based de-noising process, such as a hard threshold, such as soft-thresholding. . Oh, the content is very rich! I am sure will help you!)
    2009-07-08 13:06:53下载
    积分:1
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