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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4dc643a2-c0f8-40bc-be0d-ef732650861e%2F257f6ed3-7a62-4202-9aee-53c522b9aa16%2Fwp55q5p_processed.png&w=3840&q=75)
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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