Question

power signal will be of infinite duration?

Answer 1

For example, sine wave in infinite length is power signal. Since the energy of a power signal is infinite, it has no meaning to us. Thus, we use power (energy per given time) for power signal, because the power of power signal is finite, 0 < P < ∞.

Answer 2

For example, sine wave in infinite length ispower signal. Since the energy of a power signal is infinite, it has no meaning to us. Thus, we use power (energy per giventime) for power signal, because the powerof power signal is finite, 0 < P < ∞.



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