railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Communication Systems Information Theory Entropy Coding
_______ tells if the transmission rate is less than channel capacity, then there exists _______ that permit error free transmission.
1
Shannon's, backward error-correcting codes
2
Nyquist criterion, forward error-correcting codes
3
Shannon's theory, forward error-correcting codes
4
Nyquist criterion, backward error-correcting codes