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;…
Fourier+Transform 源代码
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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;…
源码文件
function filter_data=fft_filter(input_data,low_f,high_f,delt) %FFT_FILTER Discrete Fourier Transform Filter % FILTER_DATA = …
源码文件
%1D FDTD simulation between free space and dielectric medium with ABC %New formulation using flux density %The Fourier Transform…
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function ftm=ftmatrix(n,m) % Function computes the Fourier transform matrix with n rows an m columns % ftm(j,k)=exp(-2*pi*(j-i)*…
源码文件
%example of Fourier transform of a signal t = 0:1e-2:10; %sinusoid signal y = cos(2*pi*t); %white Gaussian noise n = randn(1, le…
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%---------------------------------------------------------------------------- % exa030102, for example 3.1.2 % to obtain the Fou…
源码文件
%---------------------------------------------------------------------------- % exa030102, for example 3.1.2 % to obtain the Fou…
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%program p404 S = fft(s,512); SF = fft(sf,512); w = (0:255)/256*(Fs/2); plot(w,abs([S(1:256)' SF(1:256)'])); xlabel('Frequenc…
源码文件
%% ftdemo - Discrete Fourier transform demonstration program clear all; help ftdemo; % Clear memory and print header %% * Init…