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How to define this function?

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Niloufar
Niloufar 2022-11-5
评论： John D'Errico 2022-11-5
How can I define the second periodic function(x2(t))?
here is the definition of the first function that I defined.
close all;clear;clc;
Fs = 50;
T = 1/Fs;
t = -2*pi:T:2*pi;
L = length(t);
%peroid 2*pi first function
X1 = 1/2*(1+square(2/3*(t+pi),200/3));
Y1 = fft(X1);
f = Fs*(0:(L-1))/L;
subplot(1,2,1);
plot(t,X1);
subplot(1,2,2);
plot(f,abs(Y1));
  1 个评论
John D'Errico
John D'Errico 2022-11-5
x2 is NOT a function of t. Period. As an integral, t goes away.

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