Signal Processing - Study Mode
[#271] A signal x n , is given by x 0 = 3, x 1 = 2, x 2 = 5, x 3 = 1, x 4 = 0, x 5 = 1, x 6 = 2, x 7 = 2, x 8 = 4, where the subscript 'n' denotes time. The peak value of the auto correlation of x 2n - 11 is
Correct Answer
(B) 10
[#272] The Causal system given by H(z) = 6 + z -1 - z -2 is
Correct Answer
(B) minimum phase
[#273] What is the Nyquist rate for the signal x(t) = cos2000πt + 3sin6000πt ?
Correct Answer
(D) 6 kHz
[#274] What is the minimum sampling rate required to avoid aliasing for the signal $$mleft( t
ight) = {left( {frac{{sin left( {2pi t}
ight)}}{{2pi t}}}
ight)^3}$$
Correct Answer
(A) 6 Hz
[#275] The continuous time unit-step function is defined by
Correct Answer
(A) [uleft( t
ight) = left{ {x08egin{array}{*{20}{c}}
{1,}&{t > 0} \
{0,}&{t < 0}
end{array}}
ight.]