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## Power Theorem

Theorem:For all ,

Proof:

Note that the power theorem would be more elegant () if the DFT were defined as the coefficient of projection onto thenormalizedDFT sinusoid .

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## Power Theorem

Theorem:For all ,

Proof:

Note that the power theorem would be more elegant () if the DFT were defined as the coefficient of projection onto thenormalizedDFT sinusoid .