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Q. |
A band-pass signal has |
A. | dc component |
B. | no dc component |
C. | no side lobes |
D. | cannot be determined |
Answer» B. no dc component | |
Explanation: a band-pass signal has no dc components and has fourier transform equal to zero. outside the band it will not be exactly zero. thus this results in presence of side lobes. |
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