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yinpin_shuiyin
一种基于DWT小波变换的数字音频水印嵌入方法,供大家参考学习(Based on the the DWT wavelet transform digital audio watermark embedding method for your reference learning)
- 2013-01-05 09:29:21下载
- 积分:1
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WaveletTutorial(1)
wavelet transform,continuous wave let transform,discrete wavelet transform
- 2015-07-24 09:15:39下载
- 积分:1
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cyclostationary_toolbox
循环平稳信号是一类特殊的非平稳信号,其统计特征具有随时间呈周期变化的特点。旋转机械由于周期运行方式其振动信号具有循环平稳特性,因此利用循环平稳分析方法能够提取出在平稳假设下所不能得到的隐藏故障特征信息,为有效地分离和识别旋转机械早期微弱故障特征提供可能。(The cyclostationary signal is a special type of non-stationary signal whose statistical characteristics have a periodic variation with time. Due to the cyclical operation of the rotating machinery, the vibration signal has the characteristics of cyclostationary stability. Therefore, the cyclostationary analysis method can extract the hidden fault feature information that can not be obtained under the stationary assumption, which provides the possibility to effectively separate and identify the early weak fault features of the rotating machinery.)
- 2018-08-06 16:36:21下载
- 积分:1
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kanhe2016
离散小波变换在图像处理去噪中的应用
经典文献 IEEE的(ECG signal compression using 2-D DWT Hermite coefficients)
- 2017-06-14 00:08:05下载
- 积分:1
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frit_toolbox_rar
对图像进行脊波变换,包含实例,与小波变换的对比实例(Ridgelet image transformation, including examples of the contrast with the example of wavelet transform)
- 2009-05-13 14:29:53下载
- 积分:1
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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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imagetransformcodes
此程序实现图象傅立叶变换、离散傅立叶变换和小波变换、可以自己设定小波变换的参数(this procedure image Fourier transform, discrete Fourier transform and wavelet transform, can set their own parameters of wavelet transform)
- 2006-10-19 13:19:03下载
- 积分:1
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wavelet_kompressor
Wavelet compression algorithm. Start by computing a complete wavelet-transform using the cohen-daubechies-fevereau (2,2) biorthogonal wavelet (which incidentally seems to be the same as used for lossless JPEG2000, but they call it a (5,3)?).
- 2014-02-06 22:44:46下载
- 积分:1
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用matlab如何实现fft变换
用matlab如何实现fft变换,进而得到经过fft变换后的图像(How to implement FFT transformation with MATLAB)
- 2017-10-11 10:31:22下载
- 积分:1
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q4
说明: 提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。(A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was proposed. The phase of vibration signals of gears is got by complex analytical wavelet transform, which combines Hilbert transform with wavelet transform tightly and possesses adaptive analysis ability. By making spectrum analysis of the phase, the sideband structure in power spectrum can be protruded, and the fault pattern can be identified. Experimental results show that the proposed method is effective in local defect detection of gears.)
- 2012-02-02 15:25:22下载
- 积分:1