Signal Processing - Study Mode
[#221] A linear system has the transfer function $$Hleft( {jomega }
ight) = frac{1}{{left( {jomega + 1}
ight)}}$$ When it is subjected to an input white noise process with a constant spectral density 'A', the spectral density of the output
Correct Answer
(C) $$frac{A}{{left( {{omega ^2} + 1}
ight)}}$$
[#222] x(t) = 5 e j20πt is
Correct Answer
(A) A power signal
[#223] For an N-point FFT algorithm with N = 2 m , which one of the following statements is TRUE
Correct Answer
(D) Computation of a butterfly requires only one complex multiplication
[#224] In digital control scheme, selection of a large sampling interval:
Correct Answer
(C) Has no effect on steady-state performance
[#225] Which one of the following relations is not correct?
Correct Answer
(B) $$int_{ - infty }^infty {fleft( t
ight)delta left( au
ight)d au = 1} $$