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FFTfrequencychartisanalytical
- 1.通过实验加深对快速傅立叶变换(FFT)基本原理的理解。 2.了解FFT点数与频谱分辨率的关系,以及两种加长序列FFT与原序列FFT的关系。 离散傅里叶变换(DFT)和卷积是信号处理中两个最基本也是最常用的运算,它们涉及到信号与系统的分析与综合这一广泛的信号处理领域。实际上卷积与DFT之间有着互通的联系:卷积可化为DFT来实现,其它的许多算法,如相关、滤波和谱估计等都可化为DFT来实现,DFT也可化为卷积来实现。-1. Deepen the experimental fast Fou
DFT.rar
- 几个快速傅立叶变换算法 离散傅里叶变换(DFT) ,dft
fft
- 快速fft运算,能够快速实现一维傅里叶变换,使用了蝶形图。-Fft fast computing
fft2
- 通过C语言实现基二FFT和IFFT,从而快速地实现傅里叶变换-C language implementation through the base 2 FFT and IFFT, in order to achieve fast Fourier transform
FFT
- 快速傅里叶变化的源程序,实现二次傅里叶变换-Changes in the source code of the Fast Fourier quadratic Fourier transform
cyclic-matrix
- 实现hash加密算法中循环矩阵的求解,能快速的产生所需的矩阵,从而加密文件。和傅里叶变换。-Hash encryption algorithm to achieve the solution circulating in the matrix, can quickly produce the desired matrix, and thus the encrypted file. And Fourier transforms.
1DFFT
- 基于VC++实现的一维数组快速傅里叶FFT变换-One-dimensional array FFT VC++ achieve transformation
the-realize-of-FFT-in-C-program
- 改程序在Turbo C或Visual 6.0中编译,能够实现基2的快速的傅里叶变换。-Reform program in Turbo C or Visual 6.0 compiled, enables fast Fourier transform base 2.
shuangbianfuliyebianhuan
- 快速傅立叶变换,双边傅里叶变换的LabVIEW程序-Fast Fu Liye transform, bilateral Fourier transform of the LabVIEW program
FFT-and-C-word
- 利用C++或C语言编写程序实现FFT快速离散傅里叶变换-The use of C++ or C language programming to realize FFT fast discrete Fourier transform
DIF_FFT
- DIT_FFT基2快速离散傅里叶变换的源程序可在vc++上编程应用-DIT FFT radix-2 fast discrete Fourier transform of the source can be used in vc++ programming
fft
- 实现功能强大的离散的非均匀的快速的傅里叶变换插值-Non-uniform Fourier transform, this non-uniform Fourier transform of a non-uniform sampling signal simulation program
frft
- 快速分数阶傅里叶变换程序,可为研究信号处理的初学者提供参考-fast Fractional Fourier Transform
Spectrogram-(2)
- 短时傅里叶变换程序,实现短时傅里叶变换的快速实现,绘制时间频率功率谱图。-Short time Fourier transform program, the realization of short time Fourier transform to achieve fast, draw time frequency power spectrum.
IFFT2
- 用于灰度BMP图像的二维快速傅里叶反变换,将频谱信息转化为图像-Two-dimensional inverse fast Fourier transform for gray-scale BMP images, transforming spectral information into images
FM demoudulation
- 对调频的时域信号解调,首先差分再希尔伯特变换,对得到的值快速傅里叶变换。(frequency modulated signal demodulation,include difference,Hilbert transform and FFT)
C#fft_ifft
- 根据网上资源实现的一维二维快速傅里叶变换fft ifft,,(One dimension two-dimensional fast Fourier transform FFT IFFT realized on the basis of online resources,)
FFT
- C语言的快速傅里叶变换,基于VC++编写,高效率,1024个点(The fast Fourier transform of C language is based on VC++, which is efficient and 1024 points.)
fft
- 快速傅里叶变换用c语言实现,亲测有效,能运行出实部虚部等还有运行时间(The realization of fast Fourier transform in C language)
2905伪谱法地震波正演模拟
- 地震波伪谱法正演,时间导数采用有限差分,空间导数采用快速傅里叶变换法计算。(seismic wave forward modeling by pseudospectral method)