1. Construct the one-sided and two-sided spectrum of v(t) = XXXXXXXXXXsin 30πt. 2. Sketch the...

Question

1. Construct the one-sided and two-sided spectrum of v(t) = -3 - 4 sin 30πt.
Solution:
MATLAB Code :
Fs=60;
Ts=1/Fs;
t=0:Ts:10-Ts;
f1=15;
y = -3 -4*sin(2*pi*t*f1);
N=length(y);
F=fft(y);
fr1=(0:N/2-1)*Fs/(N);
fr2=(-N/2:N/2-1)*Fs/(N);
figure,
plot(fr1,2*abs(F(1:N/2)))
%...

Robert · Accepted Answer

1. Construct the one-sided and two-sided spectrum of v(t) = -3 - 4 sin 30πt. 
Solution:
MATLAB Code : 
Fs=60; 
Ts=1/Fs; 
t=0:Ts:10-Ts; 
f1=15; 
y = -3 -4*sin(2*pi*t*f1); 
N=length(y); 
F=fft(y); 
fr1=(0:N/2-1)*Fs/(N); 
fr2=(-N/2:N/2-1)*Fs/(N); 
figure,  
plot(fr1,2*abs(F(1:

1. Construct the one-sided and two-sided spectrum of v(t) = XXXXXXXXXXsin 30πt. 2. Sketch the amplitude spectrum of a rectangular pulse train for each of the following cases: In the last case the...

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