engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Pulse Modulation Pulse Analog Modulation
A single side-band AM signal is given by ϕ(t) = {1000 sin c (1000 t)} cos (11000 πt)
If the carrier signal is c(t) = cos (10000 πt). The message signal m(t) is:1
1000 sin c (2000 t)
2
1000 sin c (1000 t)
3
2000 sin c (2000 t)
4
2000 sin c (1000 t)