搜索资源列表
denoisedemo.rar
- contourlet变换在去噪方面的应用,并与小波变换在信噪比方面的比较。,contourlet transform in the application of denoising, and wavelet transform in signal to noise ratio comparisons.
matlab
- 此程序包含了音乐信号的截取,信号减抽样,噪声频谱的观察以及滤波器的设计等-This program includes the music signal interception, signal by sampling the noise spectrum and the filter design observation
BSS_wavelet
- 小波域的盲源分离,可以有效地去除噪声,尤其是在胎儿心电提取方面-Wavelet domain blind source separation can effectively remove the noise, especially in regard to extraction of fetal ECG
xiaoboquzao
- 图像的小波去噪,给灰度图像加上一定量的高斯噪声,再采用小波变换的方法去噪.-Wavelet Denoising image to gray image coupled with a certain amount of Gaussian noise, and then using the method of wavelet transform de-noising.
psnr_noise
- 图像的小波去噪,给灰度图像加上一定量的高斯噪声,再采用小波变换的方法去噪,计算去噪前后图像的PSNR。-Wavelet Denoising images to grayscale images coupled with a certain amount of Gaussian noise, and then using the method of wavelet transform denoising calculated before and after denoising images PS
signal_denoise_based_wavelet
- 一个基于小波阈值的信号处理程序,通过自适应阈值方式抑制信号噪声-A threshold based on wavelet signal processing procedures, through the adaptive threshold signal noise suppression methods
tvnrreversewavelettemp
- wavelet based watermarking with dwt2 function in matlab it s an implementaton of an ieee paper.its a visible watermark it calculates the peak signal to noise ratio and the mean square error
xiaobo
- 该程序实现了小波变换对音频信号的降噪处理,简单实用!程序运行时需要一个.wav格式的音频信号。-Procedures for the implementation of the wavelet transform of the noise reduction audio signal processing, simple and practical! Procedures required a run-time. Wav format audio signal.
wave
- it is used to remove noise from images
Matlab_Wavelet_Denoise_Compress
- 包括的多个示例源代码有:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。-Including the source code of a number of examples are: a linear one-dimensional non-linear approximation, nonlinear two-dimensional linear approximation, the use of linear
XCT_wavetest
- matlab程序,X-CT图像处理,用小波分解去除噪声-matlab program, X-CT image processing, noise removal by wavelet decomposition
MATLAB
- nnfilter簡單的運用,供大家參考!(包含輸入、輸出、noise)-nnfilter simple to use, for your reference! (including input, output, noise)
xiaoboquzao
- 基于小波分析的噪声滤波程序。小波去噪源程序。-Wavelet-based noise filtering procedures
8psk
- 1、 产生等概率且相互独立的二进制序列,画出波形; 2、产生均值为0,方差为1的加性高斯随机噪声; 3、进行8PSK调制,画出波形; 4、进行蒙特卡罗分析; 5、解调8PSK,画出眼图。-1、Produce equal probability and independent of each other binary sequence, draw waveform 2、Generate mean 0, variance 1 of the additive Gaussian ra
VirtualSignalGeneratoring
- 虚拟信号发生器是一个GUI产生(1)周期函数(包括正弦,三角,锯齿,和方波)不同振幅,频率和阶段 (2)不同振幅平方脉冲序列,频率,分期及职责循环 (3)双参数指数函数 (4)高斯曲线之间的范围不同,标准偏差和手段,以及(5)不同幅度的高斯噪声。你也可以添加一个偏移或高斯噪声的前四个以上任何职能。图形用户界面还能使用户可以添加指定的信号(或者乘以它的)一个先前定义的信号。 -Virtual Signal Generator is a GUI that produces (1) periodi
Wavelet_denoising
- 小波变换的MATLAB源程序,使用语语音增强,去除噪声效果好,算法实现简单,清晰-MATLAB source wavelet transform, using language speech enhancement, noise removal effect, algorithm is simple and clear
lunwen22
- 小波去噪的仿真研究 :介绍了小波软门限和硬门限法上嗡的处理方法.分析了采用不同的小波进行软门限去噪的效果,比较了软门限去噪和硬门 限去噪的特点。仿真结果表叫,对高斯白噪声的上哚处理,选用c1b8小波比用symI和haar小波町以得到更好的去噪效果, 软门限法优于硬门限法-Simulation Study of Wavelet Denoising: The wavelet soft threshold and hard thresholding approach on the hum.
wt-in-TDCS
- 本文利用小波以及小波包在数字信号处理中表现出来的优势,将其应用到变换域通信(TDCS)中。针对基于傅里叶变换估计方法无法对非平干扰进行有效估计的缺点,于是小波技术被应用于谱估计中。作为TDCS通信前端的频谱感知阶段所应用的数学工具,进行频谱感知,小波变换可以确定干扰所在频段以及创建小波基函数,用于数据传输。并且将其与其他变换方式的应用场合以及性能进行对比。并且针第二代小波良好的数据压缩性能,拟将其应用于TDCS中,对干扰频谱进行进一步压缩-The article utilized the adv
thresholdHSI
- 采用小波变换的方法实现心电信号的滤波,分别使用了硬阈值、软阈值和改进阈值方法,并实现了滤波效果的评价(均方差和信噪比)-Wavelet transform of ECG signal filtering method, respectively, using a hard threshold and soft threshold and improve the threshold method, and to achieve the filtering effect of the evaluat
Wavelet-analysis-of-noise-reduction
- 《小波分析消噪及其在Matlab中的实现》-Wavelet analysis of noise reduction and the implementation in Matlab