GATE EC 2022:Signals & Systems Quiz 9

The figure shows two signal x(t) and h(t) as

Which of the waveforms in the option corresponds to convolution x(t) *h(t)?

The unilateral Laplace transform of a signal x(t) is

The time signal x(t) is

A sequence x(n) is defined as:

x(n) =

Then is DTFT is?

The z-transform function of a stable system is given as

The impulse response h[n] is

Fourier Series of the waveform, f(t) shown in figure is

What is the 4-point DFT of signal  ?