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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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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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数字信号处理基于matlab 文件内容
/conv(卷积部分)
dupconv 重叠保留法
freqcirconv 频域圆周卷积
freqconv 频域卷积
timecirconv 时域圆周卷积
timeconv 时域卷积
/fft(频域分析部分)
d2fft 基2FFT
dft DFT最简化程序
dtft DTFT演示
/fir(fir滤波器设计)
fir 得到fir滤波器hn
getwindow 得到fir
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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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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时频分析配套源码第11章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 11, please share
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matlab时频分析配套源码第12章的程序,请大家共享-Matlab time-frequency analysis supporting the source code of chapter 12, please share
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Matlab time-frequency analysis of the supporting source code chapter 13, please share
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matlab时频分析配套源码第14章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 14, please share
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matlab时频分析配套源码第3章的程序,请大家共享,可以的-Matlab time-frequency analysis supporting source of chapter 3, please share, you can
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matlab时频分析配套源码第11章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 11, please share
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matlab时频分析配套源码第11章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 11, please share
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matlab时频分析配套源码第14章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 14, please share
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matlab时频分析配套源码第3章的程序,请大家共享,可以的-Matlab time-frequency analysis supporting source of chapter 3, please share, you can
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matlab时频分析配套源码第11章的程序,请大家共享-Matlab time-frequency analysis of the supporting source code chapter 11, please share
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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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adaptive time frequency analysis
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