A signal g(t)=sinc^2 (5t) is sampled (using uniformly spaced impulses) at a rate of i) 5Hz ii)
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Question:
A signal g(t)=sinc^2 (5πt) is sampled (using uniformly spaced impulses) at a rate of
i) 5Hz
ii) 10Hz
iii) 20Hz.
- For each of the three cases:
- Sketch the sampled signal
- Sketch the spectrum of the sampled signal.
- Explain whether you can recover the signal g(t) from the sampled signal.
- If the sampled signal is passed through an ideal low pass filter of bandwidth 5Hz, sketch the spectrum of the output signal.
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