Fourier+Transform 源代码

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源码文件

%% ftdemo - Discrete Fourier transform demonstration program clear all; help ftdemo; % Clear memory and print header %% * Init…

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function x = ifratf(y, m) % IFRATF Inverse Finite Radon Transform % % x = ifratf(y, [m]) % % Input: % y: a…

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function [A,f] = spectrum(t,x,fmax,Tstart,Tstop); % function [A] = spectrum(t,x,fmax,Tstart,Tstop); % % Calculates discrete fou…

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%************************************************************************** % 1D FDTD code wirh new formulation using flux dens…

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%---------------------------------------------------------------------------- % exa030102, for example 3.1.2 % to obtain the Fou…

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function b = dftmtx(n) %DFTMTX Discrete Fourier transform matrix. % DFTMTX(N) is the N-by-N complex matrix of values around %…

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function tbxStruct=Demos % DEMOS Demo list for the Signal Processing Toolbox % Kelly Liu, 8-6-96 % Copyright (c) 1988-98 …

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General Purpose FFT (Fast Fourier Transform) Package files fft2f.c : FFT Package in C - Easy Version fft2f.f…

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/* * Fast Fourier Transform main prototype * Copyright (C) ARM Limited 1998-1999. All rights reserved. */ #ifndef _FFT_TE…

源码文件

function [K] = IBR (J,NU) % This function is used by Fast Fourier Transform (Algorithm 8.3) % to perform bit reversal. J1 = J;…