Which of the given signals are periodic? - Study24x7
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Goraksha Dadhich
03 Apr 2019 10:24 AM study24x7 study24x7

Which of the given signals are periodic?

A

x(t) = 4 cos(5πt)

B

x(t) = u(t) – 1/2

C

x(t) = 4u(t) + 2sin(3t)

D

x[n] = 2sin(3n)

Banking Railways UPSC Sciences
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  • geet sharma
    •  T=2π / 5π = 2/5, periodic with period 2/5.
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    Reply 03 Apr 2019 12:03 PM
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