A band-pass signal can be down-converted using
A) sine wave
B) cosine wave
C) time delayed wave
D) none of the mentioned
Correct Answer:
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Q7: The portion of physical layer that interfaces
Q8: In the digital communication system, signals in
Q9: Properties of impulse function are
A)symmetry
B)time scaling
C)shifting
D)all of
Q10: Properties of Fourier transform are
A)duality property
B)time shifting
Q11: A base-band signal can be up-converted using
A)sine
Q13: In down-conversion multiplication with cosine wave is
Q14: Fourier transform of a signal gives the
A)frequency
Q15: Random things in a communication system are
A)timing
Q16: Which can be used for periodic and
Q17: A band-pass signal has a Fourier transform
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