Signal Processing - Study Mode

[#356] If random process X(t) and Y(t) are orthogonal then
Correct Answer

(A) S xy (f) = 0

[#357] Consider a system whose input x and output y are related by the equation $$yleft( t
ight) = intlimits_{ - infty }^infty {xleft( {t - au }
ight)hleft( {2 au }
ight)d au } $$ where h(t) is shown in the graph Which of the following four properties are possessed by the system? BIBO: Bounded input gives a bounded output Causal : The system is causal LP : The system is low pass LTI : The system is linear and time-invariant
Correct Answer

(B) BIBO, LTI

[#358] Which of the following is the correct statement? The region of the convergence of z-transform of x[n] consists of the value of z for which x[n]r -n is
Correct Answer

(B) absolutely summable

[#359] About the Fourier series expansion of a periodic function it can be said that
Correct Answer

(D) All the above three

[#360] The function x(t) is shown in the figure. Even and odd parts of a unit-step function u(t) are respectively,
Correct Answer

(A) $$frac{1}{2},frac{1}{2}xleft( t ight)$$