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2ddwt二维离散db小波.rar
- 小波变换子程序
Dwt离散db小波.rar
- 小波变换子程序
tuxiangchuliVC
- 基于DB小波的图像边缘检测,可考虑用于医学图像处理-DB wavelet-based image edge detection, which could be considered for the Medical Image Processing
db-wavelet
- Matlab环境下利用Daubechies小波族中的db10小波对散斑退化图像进行了压缩数值仿真研究。研究表明:阈值以及分解层次的选取影响着图像压缩的质量。-Matlab environment using Daubechies wavelet tribal db10 wavelet the withdrawal of speckle image compression for the numerical simulation. Research shows : the threshold le
wavelet
- 运用DB小波对图像进行小波变换和逆小波变换。包括了最基本的HARR波。
一维小波滤波
- 采用DB小波进行滤波
2ddwt二维离散db小波.rar
- 小波变换子程序,Wavelet Transform Subroutine
Signalcompression_Db
- 在matlab中应用Db小波变换进行信号压缩降噪处理,并将结果与原信号进行对比-Db in the application of matlab wavelet transform signal compression noise reduction, and the results were compared with the original signal
Dwt离散db小波
- 小波变换子程序-Wavelet Transform Subroutine
73462697
- 进行小波变换的各种程序,包括db小波等几种小波的。方便实用,易于操作。-Wavelet transform for a variety of procedures, including several such as db wavelet wavelets. Convenient and practical, easy to operate.
JPEG2000_9_7_002.pdf
- 基于实数的二进制表示法,把CDF(Cohen,Daubechies and Feauveau)9/7双正交小波基的提升系数化为二进制,采用简单的移位一加操作代替结构复杂的浮点乘法器,从而实现了JPEG2000中9/7离散小波变换的定点计算.相对于浮点计算法,移位一加操作最大的优点是计算简单,特别易于超大规模集成电路实现,因而使硬件实时处理图像信号成为可能.实验仿真结果表明:在低压缩比的情况下,用移位一加操作重构的图像,其峰值信噪比(PSNR)只比浮点法低0.10 dB,当压缩比增大时,其PSNR
Dwt
- Dwt离散db小波 daubechi.c daubtst.c-Dwt discrete daubechi.c daubtst.c wavelet db
wavelettransf
- 小波变换,离散序列的小波变换,小波函数取为db小波-Wavelet transform, discrete sequence of wavelet transform, wavelet function check for the db wavelet
aa
- 紧支撑小波基构造课程资料 以构造紧支撑正交db小波为例-wavelet
WavletDecomposeTheFaultSignalPower
- 选用DB小波对故障电力信号进行分解,从图中可轻易判断出故障点。-DB wavelet used to decompose the fault signal power, from the figure can easily determine the point of failure.
waveletsignalsingularitydetection
- 应用matlab语言实现小波分析的检测分析信号的奇异点 db小波分解 重构-matlab wavelets
小波去噪程序
- 局部放电试验所采集的信号中往往混有白噪声、周期干扰信号去除。此处采用常用db系列小波中的db6小波进行9尺度的多分辨分解后,根据白噪声能量特性,估算各尺度的阈值大小,采用硬值进行处理,后进行重构。Matlab程序如下:
小波分频
- 运用小波分析把地震波分频,选取4阶db为母小波,可以进行多次分频,减小分频误差(The wavelet analysis is used to divide the seismic wave frequency and select the 4 order DB as the mother wavelet, which can be divided into several times to reduce the frequency division error)
wavelet
- 常用的db,haar,墨西哥帽等小波的程序,帮助认识小波的性质(This is commonly used dB, Haar, Mexico hat and other wavelet program, can help you understand the nature of wavelet)
xiaobo
- 自定义小波变换,可以随便使用各个小波基函数进行小波变换(A custom wavelet transform can be used to transform wavelet transform randomly.)