A signal g(t) = sinc²(5t) is sampled at rates of 5 Hz, 10 Hz, and 20 Hz. Which option accurately represents the sketch of the sampled signal and its spectrum?
a) Sketches for all three rates provided.
b) Sketches for 5 Hz and 10 Hz rates provided.
c) Sketches for 10 Hz and 20 Hz rates provided.
d) Sketches for 5 Hz and 20 Hz rates provided.

Q&A Education