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Periodic signals actually exist according to a definition.

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in Signals and Systems by (1.2m points)
Periodic signals actually exist according to a definition.

(a) True

(b) False

This question was addressed to me in class test.

My enquiry is from Periodic Signals topic in portion Fourier Series of Signals and Systems

1 Answer

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by (42.1k points)
The correct option is (b) False

Explanation: Periodic signals are defined as signals having time period in between t=-∞ and  t=+ ∞. These signals have an infinite time period that is periodic signals are continued forever. But real time signals always cease at some time due to distortion and resistance.

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