Fourier Transform of Rectangular Pulse

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Kutlu Yigitturk
Kutlu Yigitturk 2021-6-1
评论： Star Strider 2021-6-1
clear all
close all
clc
%fs = 500;
T = 1;
t = -2.5 : 0.001 : 2.5;
x = rectpuls(t,T);
subplot(2,1,1)
plot(t,x,'r','Linewidth',3);
axis([-2.5 2.5 0 1.2])
title({'Rectangular Pulse'})
xlabel({'Time(s)'});
ylabel('Ampltude');
grid
How can I get Fourier Transform of this Rectangular Pulse. Thank you.
It should look like this

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采纳的回答

Star Strider
Star Strider 2021-6-1
Ran in:
A symbolic approach —
syms t omega
F(omega) = int(1*exp(1j*omega*t), t, -0.25, 0.25)
F(omega) = 
figure
fplot(F, [-1 1]*16*pi)
grid
.
For a numeric calculation use the fft function.
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Kutlu Yigitturk
Kutlu Yigitturk 2021-6-1
I am an engineering student studying in Turkey. Throughout my university life, I have never received as much help from anyone as you did. Really thank you so much. God bless you.
Star Strider
Star Strider 2021-6-1
I very much appreciate your compliment!
As always, my pleasure!

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