The auto-correlation function of a rectangular pulse of duration T is _____________
(a) A rectangular pulse of duration T
(b) A rectangular pulse of duration 2T
(c) A triangular pulse of duration T
(d) A triangular pulse of duration 2T
The question was posed to me in an interview for internship.
My doubt stems from Concept of Convolution topic in section Signal Transmission Through Linear Systems of Signals and Systems