搜索：FOURIER - 虫虫下载站

文章/文档  Improved Instantaneous Frequency Estimation Using an Adaptive Short-Time Fourier Transform

Improved Instantaneous Frequency Estimation Using an Adaptive Short-Time Fourier Transform

https://www.eeworm.com/dl/652/272545.html

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中间件编程  Fourier Transforms & FFT Algorithm Source Code

Fourier Transforms & FFT Algorithm Source Code

https://www.eeworm.com/dl/682/281951.html

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数学计算  DFT(Discrete Fourier Transformation)是数字信号分析与处理如图形、语音及图像等领域的重要变换工具

DFT(Discrete Fourier Transformation)是数字信号分析与处理如图形、语音及图像等领域的重要变换工具，直接计算DFT的计算量与变换区间长度N的平方成正比。当N较大时，因计算量太大，直接用DFT算法进行谱分析和信号的实时处理是不切实际的。快速傅立叶变换(Fast Fourier Transformation，简称FFT)使DFT运算效率提高1～2个数 ...

https://www.eeworm.com/dl/641/282861.html

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数值算法/人工智能  Discrete Fourier Transform and Power Spectrum Calculates Power Spectrum from a Time Series

Discrete Fourier Transform and Power Spectrum Calculates Power Spectrum from a Time Series

https://www.eeworm.com/dl/518/285672.html

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系统设计方案  This belongs to the imagery processing design proposal, the topic is the digital image Fourier trans

This belongs to the imagery processing design proposal, the topic is the digital image Fourier transformation 。

https://www.eeworm.com/dl/678/285986.html

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数学计算  快速傅里叶变换（FFT）算法。FFT - Fast Fourier transform. The length of X must be a power of two, for a fast radi

快速傅里叶变换（FFT）算法。FFT - Fast Fourier transform. The length of X must be a power of two, for a fast radix-2 fast-Fourier transform algorithm is used

https://www.eeworm.com/dl/641/298741.html

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matlab例程  用Fourier变换求取信号的功率谱---周期图法用Fourier变换求取信号的功率谱---分段周期图法用Fourier变换求取信号的功率谱---welch方法功率谱估计----多窗口法（

用Fourier变换求取信号的功率谱---周期图法用Fourier变换求取信号的功率谱---分段周期图法用Fourier变换求取信号的功率谱---welch方法功率谱估计----多窗口法（multitaper method ,MTM法）功率谱估计----最大熵法（maxmum entmpy method,MEM法）功率谱估计----多信号分类法（multiple signal classification,music法） ...

https://www.eeworm.com/dl/665/321007.html

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数学计算  分数阶fourier变换程序

分数阶fourier变换程序，基于插值和抽取操作和卷积运算的快速算法。

https://www.eeworm.com/dl/641/334153.html

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数学计算  FFTW, a collection of fast C routines to compute the Discrete Fourier Transform in one or more dime

FFTW, a collection of fast C routines to compute the Discrete Fourier Transform in one or more dimensions.The fftw/ directory contains the source code for the complex transforms, and the rfftw/ directory contains the source code for the real transforms.

https://www.eeworm.com/dl/641/334162.html

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matlab例程  时频分布算法中的短时fourier变换和维格纳变换的程序。

时频分布算法中的短时fourier变换和维格纳变换的程序。

https://www.eeworm.com/dl/665/334171.html

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