Signal Processing - Study Mode
[#236] If x[n] = -x[-n], then
Correct Answer
(B) [sumlimits_{n = - infty }^infty {xleft[ n
ight] = 0} ]
[#237] A signal x(t) is band-limited to 2Hz, and y(t) = x 3 (t) + x(t) + 1. The Nyquist sampling frequency of y(t) is:
Correct Answer
(B) 6 Hz
[#238] The output of a system with impulse response δ[n - 2] to an input signal, u[n + 2] is:
Correct Answer
(B) u[n]
[#239] Let the signal f(t) = 0 outside the interval [T 1 , T 2 ], where T 1 and T 2 are finite. Furthermore, |f(t)| < ∞. The region of convergence (ROC) of the signal's bilateral Laplace transform F(s) is
Correct Answer
(C) the entire s-plane
[#240] Impulse invariance method is not preferred in the design of FIR filter other than low pass filter because of
Correct Answer
(C) Aliasing Effect