Answer Posted / muhammad jahanxaib

1) A rising exponential signal or rising linear signal defined for infinite time is not energy nor power signal signal because area under the curve is infinity.

2) a decaying exp. singal or decaying linear signal that comes to zero at infinity is an energy signal but not power signal.

3) a constant amplitude sinusoidal or any periodic signal that is defined for infinte time is a Power signal but not energy signal. This type of signals are marginally stable signal.

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