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
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(C) stable, non-causal and has memory

[#97] A periodic function satisfies Dirichlet's conditions. This implies that the function
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(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)?
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(B) $$frac{{ - 1}}{{{s^2}left( {s - 2} ight)}}$$

[#99] Transient signals can be observed using
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(A) storage oscilloscope

[#100] Consider a signal x(t) = 4cos(2t/3) + 8sin(0.5t) + 7sin(t/3 - π/6). Calculate the fundamental periodic.
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(B) 2π seconds