Signal Processing - Study Mode
[#96] A discrete time system has impulse response h(n) = a n u(n + 2), |a| < 1. Which one of the following statements is correct? The system is
Correct Answer
(C) stable, non-causal and has memory
[#97] A periodic function satisfies Dirichlet's conditions. This implies that the function
Correct Answer
(C) guarantees that Fourier series representation of the function exists
[#98] What is the Laplace transform of x(t) = -e 2t u(t) * tu(t)?
Correct Answer
(B) $$frac{{ - 1}}{{{s^2}left( {s - 2}
ight)}}$$
[#99] Transient signals can be observed using
Correct Answer
(A) storage oscilloscope
[#100] Consider a signal x(t) = 4cos(2t/3) + 8sin(0.5t) + 7sin(t/3 - π/6). Calculate the fundamental periodic.
Correct Answer
(B) 2π seconds