Q. The minimum tone separation corresponds to

View solution

Q. Matched filter is used for

View solution

Q. In differential encoding the _________ different between two wave forms is measured.

View solution

Q. The error probability of DPSK is ________ worse than PSK.

View solution

Q. The limit which represents the threshold Eb/N0 value below which reliable communication cannot be maintained is called as

View solution

Q. M-ary signalling produces _______ error performance with orthogonal signalling and _______ error performance with multiple phase signalling.

View solution

Q. Which is more vulnerable to noise?

View solution

Q. In which system, bit stream is portioned into even and odd stream?

View solution

Q. The error performance of MPSK ______ as M or k increases.

View solution

Q. In MPSK adding new signals _______ make it vulnerable to noise and in MFSK _______ make it vulnerable.

View solution

Q. In orthogonal signalling with symbols containing more number of bits we need ____ power.

View solution

Q. For FSK signalling, WT is equal to

View solution

Q. Energy per symbol Es is given as

View solution

Q. The relation between the probability of bit error and probability of symbol error in M-ary orthogonal signalling is

View solution

Q. As limit of k increases, the ratio of PB/PE becomes

View solution