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An energy signal is one of infinate energy, but finite power, so an infinate (length) periodic level bounded signal. IE sinewave, like what you get from you electricity mains.
A power signal is one of infinate power, but finite energy. So an infinate level but finite time. Like a delta function, or transiant spike.
Hmmmm, but it could be the other way around as it has been years since I was at uni.
An energy signal is one of infinate energy, but finite power, so an infinate (length) periodic level bounded signal. IE sinewave, like what you get from you electricity mains.
A power signal is one of infinate power, but finite energy. So an infinate level but finite time. Like a delta function, or transiant spike.
i am some reservations against Maui views .....
both are mutually exclusive
power sig will have finite power and infinite energy; it is periodic
energy signal will have finite energy and zero power; it is aperiodic
there are aslo which is power and energyone eg is t*2
let the debate continue so that solution/answer will born
Energy signal is one which has finite energy, so that it makes sense to talk about its energy, more than its power. Like a limited duration signal whose square will sum up to a finite number, but power is zero. A power signal is one that has finite power, like a periodic signal whose square integrated over all time is infinity (means inifinte energy), but averaged over time gives a finite value.
An ever increasing signal has infinite power and infinite energy, so is neither a power signal nor a energy signal
-b
that is a helpfull answer. but can you tell us please - me and brahma- why or where we use this cassifiation of signals?
i'm reading about it in a book about signals and systems but i haven't found a practical use for it in my study yet, so even i understand it the way you put it, i can't attatch this information to a practical example. thanks alot
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