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1. If a signal f(t) has energy E, the energy of the signal f(2t) is equal to __________ .





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  • By: guest on 02 Jun 2017 12.54 am
    Energy content of a signal x(t), E = |f(t)|2 dt Now, E' = |f(2t)|2 dz for signal f(2t) Putting 2t = z, we get E' = |f(t)|2 dz = .
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