how to design a single cycle square wave?
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2NOR_Kh
el 13 de Sept. de 2022
Comentada: Chunru
el 14 de Sept. de 2022
I want to design a single cycle square wave and for theat I am using 'square' function but I don't know how to make it a single cycle wave.
I'm not exactly sure that for this purpuse I need to change the duty cycle or not, however I feel that's the case. But I wanted to ask professionals here to assure that.
This is my code for that:
f0=2.25e6;
fs=100e6;
t2=0:1/fs:2/f0;
offset=0;
amp=1;
duty=50;
sq_wav=offset+amp*square(2*pi*f0.*t2,duty);
plot(t2,sq_wav)
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Chunru
el 14 de Sept. de 2022
% For single square pulse, you can specify:
% pulse width: pw
% simulation time: T
f0=2.25e6;
pw = 1/f0/2;
fs=100e6;
T=2/f0;
offset=0;
amp=1;
%duty=50;
ns = round(T*fs);
t2 = (0:ns-1)/fs;
sq_wav = zeros(ns, 1);
sq_wav(1:ceil(pw*fs)) = 1;
sq_wav=offset+amp*sq_wav;
plot(t2,sq_wav)
2 comentarios
Chunru
el 14 de Sept. de 2022
Number of samples (ns) in the square wave is the prodcut of the simulation time (T) and the sampling frequency (fs) (which is number of samples per unit time).
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