conditions for non-zero discrete Fourier transform?

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conditions for non-zero discrete Fourier transform?

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conditions for non-zero discrete Fourier transform?

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Jul3-09, 09:38 AM	#1
mnb96 mnb96 is Offline: Posts: 123	conditions for non-zero discrete Fourier transform? Hi! Let's consider discrete finite signal as simple vectors in $LaTeX Code: \\mathcal{R}^n$ . Taking the DFT (Discrete Fourier Transform) of we obtain another vector in $LaTeX Code: \\mathcal{R}^n$ . Is it possible to give (non-trivial) conditions under which the DFT(x) is never zero?

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