Electronics and Communication Engineering - Communication Systems - Discussion
Discussion Forum : Communication Systems - Section 22 (Q.No. 17)
17.
The number of spectral component when two sine wave of same frequency multiplied is
Discussion:
2 comments Page 1 of 1.
Bikas said:
3 years ago
@Mukund
It can also be like sin(wt)sin(wt) = sin^2(wt) = (1-cos(2wt))/2 = (0.5) - 0.5cos(2wt).
So only 0.5 will have 0 frequency component and cos term Fourier transform have 2 component θ +2w and θ -2w.
So, a total 3 spectral components.
It can also be like sin(wt)sin(wt) = sin^2(wt) = (1-cos(2wt))/2 = (0.5) - 0.5cos(2wt).
So only 0.5 will have 0 frequency component and cos term Fourier transform have 2 component θ +2w and θ -2w.
So, a total 3 spectral components.
Mukund said:
7 years ago
One lower side band, one upper side band and a carrier.
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