Question

A rectangular pulse train s(t) is shown in figure is convolved with the signal cos²(4π x 10³t). The convolved signal will be a

a.

DC

b.

12 kHZ sinusoidal

c.

8 kHZ sinusoidal

d.

14 kHZ sinusoidal

Answer: (d).14 kHZ sinusoidal

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Q. A rectangular pulse train s(t) is shown in figure is convolved with the signal cos²(4π x 10³t). The convolved signal will be a

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