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- 采用db4小波实现一维信号的分解与重建(à trous算法)：-Achieved using one-dimensional signal db4 wavelet decomposition and reconstruction (trous algorithm):
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- 采用db4小波实现二维图像的分解与重建：(à trous算法)-Two-dimensional images using db4 wavelet decomposition and reconstruction: (trous algorithm)
db4
- 小波降噪首先对信号进行小波分解，一般地，噪声信号多包含在具有较高频率的细节中，从而， 可利用门限阀值等形式对所分解的小波系数进行出来， 然后对信号进行小波重构即可达到对 信号降噪的木的。 对信号降噪实质上是一直信号中的无庸部分， 恢复信号中有用部分的过程。 -Wavelet denoising first signal wavelet decomposition, in general, the noise signal con
db4
- 编写存储过程访问数据库,熟悉使用存储过程来进行数据库应用程序的设计-Write stored procedures to access the database, familiar with the use of stored procedures for database application design
wa
- 小波消噪，采用“db4”母小波函数进行三层分解-Wavelet de-noising, using " db4" mother wavelet function triple decomposition
db4
- perform 2-D wavelet transform, daub4 wavelet
db4
- access office data base file
wavelet_edgedetection
- 利用db4正交小波基对图像进行一层小波包分解后，得到的近似图像比原来的图像更次更加分明，适合初学者-Orthogonal wavelets db4 use the image layer wavelet packet decomposition, approximate image obtained more times more clearly than the original image, suitable for beginners
east_5s
- 本文件调用matlab小波分析包，可以实现db4等小波函数类型的分解和重置，并进行原始信号和重构信号的误差比较！-This document calling matlab wavelet analysis package, you can achieve db4 wavelet function, such as the type of decomposition and reset and reconstruct the original signal and the error signal
XIAOBO
- 关于db4小波处理的一个简单程序，可以拿来简单练习参考参考-simple matlab test of xiaobo,it is expected hopleful
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- 用db2、db4小波分解奇异点检测，其中用wnoise产生测试信号-use db2 and db4 detect strange point and wnoise was used to produce test signal
xiaoboPc
- 小波变换已应用到工程的各个方面，但一般只是应用MATLAB的小波工具包来编程，有时需要自己编程实现，故这里给出了DB4小波变换的C实现-Wavelet transform has been applied to all aspects of the project, but generally only apply MATLAB wavelet toolkit for programming, sometimes need their own programming, so here is a
db4xiaobojiangzao
- 采用db4小波对是与信号进行降噪处理，实际效果良好-Using DB4 wavelet denoising is processing and signal, the actual effect is good
cc
- 在小波的分解过程中，每一次的小波分解得到的近似信号会比上一层次的信号更加光滑，而被抑制的细节系数则存在于每一层中。所以可以将一个含噪信号进行第5层分解，并有选择的抑制部分细节系数就可以达到信号降噪的目的。试验中采用‘db4’小波对信号进行分解。-In the process of wavelet decomposition, every wavelet decomposition to get the approximate signals will be more smooth than on
XIAOBOFENJIE
- 小波分解，db4小波分解，分解为4层，可以直接运行-Wavelet decomposition, db4 wavelet decomposition, decomposition level of three layers, can be directly run
wnoise_xiaobobao
- 小波包法去除放电信号中的白噪声，采用db4小波分解4层-Removal of wavelet packet discharge signal white noise, using four-layer wavelet decomposition db4
db4xiaoboquzao5
- 利用db4小波对仿真信号进行5层分解，并运用各种阈值方法对其进行降噪-DB4 wavelet is used to decompose the 5 layer of the simulation signals, and the noise reduction is carried out by using a variety of threshold methods.
wavelet
- 基于DB4 的小波变换，实现了小波的分解与重构，可根据实际需要修改阈值的选取方法-Based DB4 wavelet transform to achieve wavelet decomposition and reconstruction, according to the actual need to modify the threshold selection method
wavelet_c
- 基于c语言的小波实现,caj,db4 wave-wavelet c
wavelet_test
- 采用db4小波，对输入信号进行2阶分解和重构。采用了对称延拓方式。- The db4 wavelet is used to decompose and reconstruct the input signal. Using a symmetric extension.