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小波变换源码
- 带有多种小波基的小波变换程序,可用于图象识别,信号突变检测。-with multiple small Porgy wavelet transform procedures can be used to image recognition, signal mutation detection.
matlab语言编写的小波变换的程序
- 这是一个用matlab语言编写的小波变换的程序,是时频分析的一种,可以在时域和频域内对信号进行分析。-using Matlab language of the wavelet transform procedure is time-frequency analysis of a kind in the time domain and frequency domain analysis of the signal.
小波变换在活塞环图像边缘检测中的应用研究
- 摘 要 小波变换是时间频率的局部化分析,它可以通过伸缩平移运算对信号逐步进行多尺度细化。本文正是基于小波变换在图像处理领域中表现出的多尺度分析,提出了用小波变换检测活塞环图像边缘的方法,这种方法通过对二维小波变换图像局部极大值的检测得到图像的边缘信息。通过实验证明了这种方法的有效性。-Abstract wavelet transform is the local time frequency analysis, it can shift computing through telescopic
MyCWT.rar
- 实现连续小波变换。本程序使用Haar小波为母函数,要求输入为一维文本信号,输出为小波变换系数,呵呵,比较适合小波课程的入门哦,The realization of continuous wavelet transform. This procedure using the Haar wavelet function for the mother, asked to enter text for the one-dimensional signal, the output for the wave
ecg.rar
- matlab环境下心电信号去噪处理和QRS波检测的一些综合方法的比较,主要是利用小波变换的去噪方法,matlab environment Denoising ECG QRS wave detection and treatment of a number of integrated methods, mainly the use of wavelet transform de-noising method
wavelet.rar
- 二维离散小波变换的代码,用C语言实现,可用于数字信号处理、数字图像处理、地震勘探,Two-dimensional discrete wavelet transform code, using C language implementation can be used for digital signal processing, digital image processing, seismic exploration
dwt.rar
- 一维离散小波变换,输出项是一维离散小波变换的小波变换系数,输入值是小波名,信号序列,The dwt command performs a single-level one-dimensional wavelet decomposition with respect to either a particular wavelet ( wname , see wfilters for more information) or particular wavelet decomposition filte
p300
- 用小波变换多分辨对脑电慢波P300信号的特征提取-wavelet EEG P300 feature execute
WaveletDenoise
- 本设计基于小波变换法对语音信号进行去噪处理,得到了较好的语音增强效果-The design is based on wavelet transform denoising the speech signal to obtain a better speech enhancement
f10_1
- 小波变换在信号处理中的应用,包括压缩,去噪等,程序很简单-wavelet transform in signal processing applications, including compression, denoising, a very simple procedure
toolbox_wavelets
- 小波变换目前在各行各业都有应用,该小波变换工具箱,是一个外国研究所的研究成果,里面有其开发的各种小波工具,包括双正交波,多小波,等。在图像处理、信号处理等方面应用广泛-Wavelet transform applications in all walks of life, the wavelet transform toolbox, is a foreign institute of research results, which has its development of a variety
waveletanalysisandapplication
- 小波分析及其应用,详细介绍了小波变换原理和基本方法,还重点介绍小波变换在语音和图像处理、信号检测、多尺度边缘提取等领域的应用。-Wavelet analysis and applications, described in detail wavelet transform principles and basic methods, but also focuses on Wavelet Transform in the voice and image processing, signal det
xiaobobianhua
- 利用小波变换检测突变点实验的实例,程序最后生成3个图像演示了该算法,分别为原数字信号、高斯函数作为基函数、高斯函数的一阶导数作为基函数的小波变换。-Mutation detection using wavelet transform examples of experimental points, the program generates the final three images to demonstrate the algorithm, namely, the original digi
041010
- matlab环境下关于数字信号处理的一些程序,主要是利用小波变换的去噪程序-matlab environment about a number of digital signal processing procedures, mainly the use of wavelet transform de-noising procedures
fjxhfj
- 实现db6小波提升变换,对信号进行5层分解和重构。另外被屏蔽的部分为离散小波变换。-Enhance the realization of wavelet transform db6, 5 layers of signal decomposition and reconstruction. In addition to being part of shielding DWT.
基于小波变换的信号奇异性检测及去噪例程
- 这个程序是基于小波变换的信号奇异性检测及去噪 的一些例程(using wavelet method and SVD to process the signal and denoise)
小波变换,小波重构,MATLAB
- 小波变换,小波重构,信号载入并绘图,含信号数据,MATLAB(Wavelet transform, wavelet reconstruction, signal loading and plotting, including signal data, MATLAB)
matlab小波变换程序
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的"时间-频率"窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了
语音信号去噪 未实现
- 对语音信号进行小波变换,达到将低信噪比的要求。(Wavelet transform is used to achieve low SNR requirements)
小波分析模极大值法
- 对信号波形进行小波变换并分解,提取模极大值,最后进行信号重构。(Wavelet transform and decompose the signal waveform, extract the maximum value of the modulus, and finally reconstruct the signal.)