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exa130402
- 本程序先生成一个“Blocks”信号，然后加上高斯白噪声，再用 db3 小波进行分解， 以说明三种取阈值方法和三种噪声标志对去噪性能的影响。-This procedure Mr. Cheng a " Blocks" signal, and then adding white Gaussian noise, and then ' db3' wavelet decomposition, to illustrate the three kinds of chec
1
- 将白噪声和瑞丽分布的噪声模拟为信号的背景噪声，分别通过小波去噪，EMD去噪，EMD结合小波去噪的方法来进行背景噪声去噪分析。-Ruili, the distribution of white noise and the noise modeled as background noise signals, respectively, through the Wavelet denoising, EMD denoising, EMD combined with wavelet denoising a
86410383im_denoise
- 小波去噪 解决图像噪声 便于后期图像的处理工作-Solve the image noise wavelet denoising image processing to facilitate the work of the late
wavelet_transform_image_denoise
- 小波变换理论及其在数字图像去噪声中的应用.-Wavelet theory and its noise in digital images to the application.
xiaoboquzaochengxu
- 一个基本的小波去噪程序，可以较好的进行语音信号的噪声去除。-A basic wavelet denoising program, we can better for voice signal noise removal.
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- 平移不变量小波去噪方法是对Donoho阈值法的改进,该方法不仅能有效地抑制伪吉布斯现象,而且 能减小原始信号和估计信号之间的均方根误差,提高信噪比。将这种方法用于变速箱齿轮故障信号的去噪处理,同 时与阈值法去噪的结果进行比较。结果表明,该方法可以有效地去除强噪声的干扰,提取齿轮故障特征信息,具有 很好的工程实用性。 -Vector spectrumHilbert demodulation analysis method based on the same source data
mywaveletdenoising
- 小波去噪程序，已测试其正确性，能较好地去除噪声-Wavelet denoising program, has tested its correctness and can be well remove the noise
Based-on-Gabor-perceptiond
- 小波去噪---包含多种小波去噪的方法，有效去除噪声。小波软硬阈值去噪。-Wavelet denoising--- contains a variety of wavelet denoising method to effectively remove the noise. Wavelet soft and hard threshold denoising.
quzao
- 对信号进行两层提升分解，构造小波分解结构，使用函数wnoise获取噪声方差，接着使用函数wbmpen获取小波去噪阈值，最后使用函数实现信号去噪。-Signal two layers enhance decomposition, the constructed wavelet decomposition structure, function wnoise for noise variance, and finally use the function signal denoising.
xiaobo
- 这个程序是小波去噪的程序，可以滤除高频噪声，重构原信号-This program is a wavelet denoising procedure, you can filter out high frequency noise, and reconstruct the original signal
denoise1
- 编写的小波去噪程序，主要用于光纤捷联惯导系统中的惯性器件输出噪声滤除，为后续导航解算提供基础-The wavelet denoising program written mainly used in fiber SINS the inertial device output noise filtering, to provide a basis for subsequent navigation solution
qz
- 小波去噪信号，利用小波分析去除声发射信号中的噪声-Wavelet signal denoising
my_de_dwt2
- 使用小波变换去噪，小波母函数选择 sym4 ,lev默认值为8,一般为8级小波去噪， par 为 CDF系数，通常取0.9，signal 列向量。取噪声信号范围，对分解的第lev层到第1层的高频系数进行重构。查看滤波后信号和噪声的小波分量-Wavelet transform denoising, the mother wavelet select ' sym4' , the lev default value is 8, is generally 8 wavelet de-noisi
Wavelet-denoising-procedure
- 小波去噪程序基于,小波变换的消噪方法是一种提取有用信号展示噪声和突变信号的优越方法.-Wavelet denoising procedures based on wavelet transform denoising method is a useful signal to extract demonstrated superior signal noise and mutation method.
wavelet
- 利用小波重构产生噪声信号，再进行小波去噪，可以运行，效果理想-Reconstructed using wavelet noise signal, and then the wavelet de-noising, you can run, the desired effect
quzao
- 先对信号进行两层分解，构造小波分解结构[c,l] 然后使用函数wnoiset()获取噪声方差，接着使用函数wbmpen()获取小波去噪阈值，最后使用函数wdencmp()实现信号去噪。-The first two layers of the signal decomposition, construct wavelet decomposition structure [c, l] then use the function wnoiset () to get the noise varianc
posongzaoshengdejiaruyuquzao
- 小波去噪，包括原始信号的分解，处理及重构，完成含噪声信号的预处理过程-Wavelet de-noising, including the decomposition of the original signal, processing and reconstruction, including the completion of the pretreatment process noise signal
wavelet
- 根据小波去噪的原理及特点，提出了用FPGA实现小波实时信号处理的方法。实验结果证明采用FPGA实现小波信号处理能在低信噪比的情况下有效去除噪声，同时能够满足信号处理系统的实时性要求。-According to the principles and characteristics of wavelet denoising, a method using wavelet FPGA real-time signal processing. Experimental results show that
xiaoboquzao
- 关于小波去噪的程序，分为几种情况，适用于消除语音信号噪声-Wavelet Denoising of the program is divided into several cases for the elimination of the speech signal noise
quzaochengxu
- 对信号进行快速FFT变换,绘制原始信号序列. 小波去噪,将信号用小波函数SYM5分解到第5层，用minimaxi阈值选择对系数进行处理，消除噪声.-The signal fast FFT transform, to draw the original signal sequence denoising the signal decomposition wavelet function SYM5 to the 5th floor, the choice of coefficients trea