搜索资源列表
Wavpack-power-spectrum
- 读入xsl文件中的数据进行小波包变换并计算各层系数功率谱-Xsl file reads the data and calculate the wavelet packet transform coefficients of the power spectrum of each layer
Wavelet-packet-transform-program
- 小波包变换程序 数字信号处理 示例程序 对小波包用于信号处理有帮助-Wavelet packet transform program Modern digital signal processing The sample program For the benefit of the wavelet packet is used for signal processing
bNSCT-transform-and-wavelet-packet
- bNSCT变换和小波包变换相结合的图像隐藏方法_郑伟-the combination of NSCT transform and wavelet packet transform _ Zheng Wei image hiding method
4dual-tree--wavelet-packet
- 4各向异性双树复小波包变换 石霏 应用科学学报 2008-07-15 期刊-4 anisotropic dual tree complex wavelet packet transform Shi Fei applied science journal proceedings of the 2008-07-15
MATLAB
- 小波变换、小波包变换用于降噪,图像融合的样例-Wavelet transform, wavelet packet transform for noise reduction, image fusion sample
3MATLABYUYIN
- 3.1语音信号的同态处理和倒谱分析30 3.1.1同态处理的基本原理30 3.1.2复倒谱和倒谱31 3.2离散余弦变换34 3.3Mel频率倒谱系数的分析37 3.3.1Mel滤波器组37 3.3.2MFCC特征参数提取38 3.4小波和小波包变换43 3.4.1小波变换43 3.4.2小波包变换44 3.4.3小波包算法45 3.4.4MATLAB中一维小波和小波包变换函数46 3.4
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分
wave
- Harr小波具有紧支撑、零调和性和优良的正交性等优点,因此选择它作为小波变换的基函数。对采样数据进行4层小波包变换得到16维的特征样本。-Harr wavelet has compact support, zero reconcile and excellent orthogonality, etc., so choose it as the base function of wavelet transform. 4 layers of
shangchuan
- 对信号进行小波包包变换并重构,并按自然顺序排列小波包变换后各层。-To signal wavelet package transform and reconstruction, and according to the natural order of each layer after wavelet packet transform.
Smal-l-Target--Detection
- 提出了一种新的基于小波包变换 和偏斜度的检测方法。该方法利用小波包对图像进行多尺度分解,解决了高频段分辨率低的问题; 并提出了一个基于偏斜度的高斯判别准则,用于对小波包分解系数进行高斯性检验,最终得到了 小目标的精确检测-The wavelet packets were applied to decompose the image into pyramid subbands at different scales and
voiceinotherdomain
- 语音信号在其他变换域中的分析技术和特性,语音信号的同态处理和倒谱分析,离散余弦变换,小波和小波包变换-Speech signal analysis technologies and features in other transform domain, homomorphic processing voice signals and cepstrum analysis, discrete cosine transform, wavele
xiaobobao
- 小波包变换可以对高频部分提供更精细的分解,而且这种分解既无冗余,也无疏漏,所以对包含大量中、高频信息的信号能够进行更好的时频局部化分析。-Wavelet packet transform can provide the high frequency part of the finer decomposition, and this decomposition is neither redundant nor oversight, so
Meyer
- 离散Meyer小波包变换,主要是Meyer函数构造的相关程序-Meyer discrete wavelet packet transform, mainly related to the program Meyer Constructor
Wavelet-Denoising
- 利用小波包变换对一个二维含噪图像进行消噪处理-Using wavelet packet transform to a two-dimensional image with noise denoising
wavelet-Matlab7
- 本书是“MATLAB应用技术”系列丛书之一,以最新推出的MATLAB中的小波分析工具箱Wavelet Toolbox 3.0版本为基础。全书共分为三部分,第1部分着重介绍了小波理论基础,包括小波基础知识、连续小波变换、离散小波变换、多分辨率分析与正交小波变换、小波变换和多采样滤波器组、二维小波变换与图像处理及小波包的基本原理等;第2部分重点说明了小波分析工具箱的详细使用方法,包括图形用户接口、小波通用函数、一维小波变换的MATLAB实现
waveaenergy
- 此程序为小波包变换结合和能量谱分析提取特征频率-This procedure for the analysis of wavelet packet transform and energy spectrum feature extraction of frequency combination
blind-source-separation
- 在MATLAB环境中,得到语音信号的散点图,STFT变换和小波包变换。-In the MATLAB environment to obtain a scatter plot of the speech signal, STFT transform and wavelet packet transform.
Wavelet-packet-algorithm
- 通过实验表明小波包变换能精确地从谐波信号中分离出基波,并能根据需要分离出任意谐波信号,是一种很好的电力系统谐波分析工具。-Experiments show that wavelet packet transform can accurately isolated in harmonic signal wave, and can according to need to separate out any harmonic signals
xiaobobaohuanhualvboquzao
- 小波包变换去噪和滤波去噪的word,可以直接剪切到MATLAB。有分析-Wavelet Packet Denoising and filtering denoising word, you can cut directly to MATLAB. Some analysts
waveletpacket
- 利用小波包变换嵌入水印,适用于初学者了解-Using wavelet packet transform to embed watermark, suitable for beginners to understand