how to design a single cycle square wave?
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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
le 14 Sep 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)
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Chunru
le 14 Sep 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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