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  Fast Fourier transform - MATLAB fft - MathWorks India
  
  This MATLAB function returns the discrete Fourier transform (DFT) of vector x, computed with a fast ...
  
  2025-11-17
  
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  How to Do a Fourier Transform in Matlab | Matlab Geeks
  
  2010年12月9日 - The Fourier transform is one of the most useful mathematical tools for many fields of ...
  
  2025-11-16
  
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Fast Fourier transform - MATLAB fft - MathWorks Nordic

日期：2025-11-15

This MATLAB function returns the discrete Fourier transform (DFT) of vector x, computed with a fast ......

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求Matlab 傅立葉轉換 - Yahoo!奇摩知識+

日期：2025-11-17

以下程式是 sin的圖形 %check Fourier transform%sin signalclear all;clear all;clear;close all;w1=0.5*pi ... for i =1:length(w) for k =1:length(x_sin); x_ff(k)=x_sin(k)*exp(-j*w(i)*k); end x_f(i)=sum(x_ff(:));end%plot sin subplot(211)stem(td,x_sin);%plot the x seque...

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How to plot fourier transform in matlab?

日期：2025-11-17

These are the MATLAB commands for computing fourier transform and for plotting the transform - syms t y f = fourier(5*cos(2*pi*1000*t),t,y) ///// When you run these 2 commands above in MATLAB, the Fourier Transform is displayed as output. The output that ...

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Fourier Transform (matlab)?

日期：2025-11-16

>> clear >> t=[-2:0.01:2]; >> g=sqrt((t.^2)-4); >> plot(t,imag(g), 'r'); >> hold on >> plot(t,imag(fft(g)), 'b'); Not sure exactly what your problem is asking, but this might do it. I just use the built-in Fourier transform of Matlab. I assume you don't h...

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MATLAB and Fourier Transform - California State University, Northridge

日期：2025-11-15

Last semester we used the fast Fourier Transform algorithm in MATLAB to investigate data sets. ... Recall, that the vector p1 is symmetric about N1/2 (why?), and that is why we only plot the first half of this vector. Answer the following questions about ...

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Servos and sensors: Discrete Fourier Transform: DFT Matlab Program

日期：2025-11-19

Here is an elementary program, using the fast fourier transform, to record a wave sound and then play it, in both its original form ... Nyquist and Bode plot for mechanical system, Matlab program The necessary details for modeling a simple mechanical syst...

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