Signal Processing - Study Mode
[#191] The transfer function of a zero-order-hold system is
Correct Answer
(B) $$left( {frac{1}{s}}
ight)left( {1 - {e^{ - sT}}}
ight)$$
[#192] The first five points of the 8-point DFT of a real valued sequence are 5, 1 - j3, 0, 3 - j4 and 3 + j4. The last two points of the DFT are respectively
Correct Answer
(A) 0, 1 - j3
[#193] What will be the Laplace transform for f(t) = e -bt u(t)?
Correct Answer
(C) $$Fleft( s
ight) = frac{1}{{s + b}}$$
[#194] The even and odd components of the signal x(t) = e -2t cos t are respectively,
Correct Answer
(D) cosh 2t cos t and -sinh 2t cos t
[#195] A band-limited lowpass signal is sampled at twice its Nyquist rate with f s = 2000 sps. The signal is band-limited to
Correct Answer
(B) 1000 Hz