-
li5-39
先进行提升小波变换,然后使用提升小波进行图像的分解和重构(Be carried out on lifting wavelet transform, and then use the images to enhance the wavelet decomposition and reconstruction)
- 2020-07-20 11:58:47下载
- 积分:1
-
dbconstruction
任意阶daubechies小波函数的构造,包括尺度函数和小波函数以及滤波器系数的构造(arbitrary order PG wavelet function, including scaling function and wavelet function and the structure of the filter coefficients)
- 2020-11-10 20:19:45下载
- 积分:1
-
脉搏信号降噪
文基于小波分析的特点,提出了一种对信号进行多重小波
变换的自适应去噪法,该方法不仅克服了小波去噪软硬阈值法的局限性,而且解决了自适应滤波中参考信号选取难的
问题,将该方法用于脉搏信号降噪,得到了满意的去噪效果。(The text features based on wavelet analysis, proposed an adaptive multi-wavelet transform for signal denoising method, this method not only overcomes the limitations of hard and soft thresholding method of wavelet de-noising, and resolve the reference signal adaptive filtering Select the difficult problem of the method is used to the noise of the pulse signal, and been satisfied with the denoising effect.)
- 2012-06-18 15:19:37下载
- 积分:1
-
xsj
基于小波变换的碰磨故障信号的特征提取,可以画出信号原图,轴心轨迹,频谱图以及多层小波变换的重构信号(Based on wavelet transform rubbing fault signal feature extraction, the signal can be drawn artwork, orbit, spectrum and signal reconstruction wavelet multi-)
- 2010-06-13 17:03:46下载
- 积分:1
-
second-generation-wavelet
二代小波的labview实现,详细介绍在labview中如何实现二代小波(Labview implementation of second generation wavelet)
- 2011-07-31 15:18:34下载
- 积分:1
-
jixujiaoyu1
很好的继续教育教材,提升素质必备啊!不可错过!十分的好(Good continuing education materials, enhance the quality of essential ah!)
- 2015-03-02 19:51:23下载
- 积分:1
-
decomposition
运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。
hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks
wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可
[C,L] = wavedec(x_noise,dl,wn);
x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform)
% imf = emd(x)
% Func : findpeaks)
- 2021-04-13 22:28:55下载
- 积分:1
-
xinhaoquzao
利用小波变换进行改进阈值信号去噪
(Improvement threshold signal denoising using wavelet transform)
- 2012-10-29 16:35:35下载
- 积分:1
-
wavelet
说明: 小波变换用于脑电信号处理,可以很好的对脑电信号进行时频分析(Wavelet transform for EEG signal processing, can be very good for time-frequency analysis of EEG)
- 2011-03-04 19:17:07下载
- 积分:1
-
qwet1234
在 MATLAB 中的窗函数,十分简单:
矩形窗 三角窗 汉宁窗 海明窗 布拉克曼窗 恺撒窗
(In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window)
- 2010-03-10 12:40:34下载
- 积分:1