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3下载:
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.
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这是一个用matlab编写的时频分析的程序与一些例子,有的是从国外的硕士论文中摘取的,希望对人们有用!-using Matlab prepared by the time-frequency analysis of the procedures and some of the examples, Some of the foreign master's thesis, which address the hope that the right people useful!
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S变换的matlab源码,并应用几个信号作为例子来说明怎么使用s变换以及s变换可以用来做些什么事情。s变换是时频分析领域中一个较新的内容,现在在信号处理,地震勘探,语音识别等领域都开始了对它的应用研究,是目前的一个热点。-S transform Matlab source, Applied Signal and several examples to illustrate how the use of Transform's's transformation can be use
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基于matlab的时频率分析工具箱,包括了小波变换,WVD,SPWVD等等好多的时频分析方法-Matlab-based time-frequency analysis toolbox, including a wavelet transform, WVD, SPWVD so many time-frequency analysis method
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Matlab时频分析工具 matlab没有直接的时频分析工具,这个工具箱可以很好的解决这个问题-Matlab time-frequency analysis tool matlab no direct time-frequency analysis tools, the toolbox can be good to solve this problem
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MATLAB时频分析技术及其应用 -MATLAB time-frequency analysis technology and its applicationsMATLAB time-frequency analysis technology and its applications
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借助小波变换在时频分析上的优点,提取地面运动目标的回波信号特征在目标识别中加以运用-With wavelet transform in time-frequency analysis of the advantages of extracting ground moving target echo signal characteristics to be used in target recognition
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matlab时频分析源代码 很好很强大。希望对您有用-matlab source code for a good time-frequency analysis is very powerful. Hope useful to you
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小波变换是一种信号的时间—尺度分析方法,它具有多分辨率分析的
特点,而且在时频两域都具有表征信号局部特征的能力。由于其在信号处
理领域表现出的优异性能,目前在生物医学领域,广泛应用于信号检测、
特征提取、图像处理、信号压缩等方面。
-Wavelet transform is a signal of the time- scale analysis method, it has the characteristics of multi-resolution analysis, bu
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小波分析是建立在泛函分析、调和分析、数值分析、逼近论和傅里叶分析等的基础上发展起来的新的时频分析方法。与经典的傅里叶分析相比较,小波变换是空间(时间)和频率的局部变换,因而能有效地从信号中提取信息,因此小波分析有着许多显著的优点。小波变换是空间(时间)和频率的局部变换,因而能有效地从信号中提取信息。通过伸缩和平移等运算功能可对函数或信号进行多尺度的细化分析,解决了Fourier变换不能解决的许多困难问题。
小波分析是时间—尺度分析和多分辨分析的一种新技术,它在信号分析、语音合成、图像识别、计
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matlaB时频分析工具箱,对数据进行时频分析-time-frequency analysis toolbox matlaB, time-frequency analysis of the data
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matlab时频分析工具箱(附安装方法和函数说明) 这是一个工具箱源码程序,需要对大家有用-time-frequency analysis matlab toolbox (with installation method and function descr iption) This is a toolbox source program, you need to be useful to everyone
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Matlab time-frequency analysis supporting source of chapter 3, please share, you can
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传统的傅立叶变化只能分析时域、频域图,而小波变化能进行时频分析,对信号进行更好的处理。(The traditional Fourier transform can only analyze the time domain and frequency domain diagram, while the wavelet transform can carry on the time-frequency analysis and better deal with the signal.)
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对信号进行时频分析,Time frequency analysis of signals(Time frequency analysis of signals)
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For time-frequency analysis algorithm, It can be directly calculated multi-fractal spectrum, Add noise processing.
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Rapid expansion of random spanning tree algorithm, For time-frequency analysis algorithm, Realization of 10 digital audio recognition progra.
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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
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adaptive time frequency analysis
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短时傅里叶变换的MATLAB实现代码,有效完成时频分析(matlab implementation code of short-time Fourier transform to effectively complete time-frequency analysis)
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