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When looking at real-valued time domain signals they must have : A Fourier transform in the ordinary sense b. An amplitude spectrum that has even symmetry Non-zero energy at all frequencies d. A length that is infinite in the time domain.

When looking at real-valued time domain signals they must have : A Fourier transform in the ordinary sense b. An amplitude spectrum that has even symmetry Non-zero energy at all frequencies d. A length that is infinite in the time domain.

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When looking at real-valued time domain signals they must have : A Fourier transform in the ordinary sense b. An amplitude spectrum that has even symmetry Non-zero energy at all frequencies d. A length that is infinite in the time domain.
Transcribed Image Text:When looking at real-valued time domain signals they must have : A Fourier transform in the ordinary sense b. An amplitude spectrum that has even symmetry Non-zero energy at all frequencies d. A length that is infinite in the time domain.
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