Q. The DPSK needs ________ Eb/N0 than BPSK.

View solution

Q. Coherent PSK and non coherent orthogonal FSK have a difference of ______ in PB.

View solution

Q. Which is easier to implement and is preferred?

View solution

Q. Which is the main system consideration?

View solution

Q. Wavelength and antenna size are related as

View solution

Q. The detection method where carrier’s phase is given importance is called as

View solution

Q. The coherent modulation techniques are

View solution

Q. The real part of a sinusoid carrier wave is called as

View solution

Q. Antipodal signal sets are those vectors that can be illustrated as

View solution

Q. The FSK signal which has a gentle shift from one frequency level to another is called as

View solution

Q. Which modulation scheme is also called as on-off keying method?

View solution

Q. In amplitude phase keying each phase vector is separated by

View solution

Q. The transformation of the waveform into a single point in signal space is called as

View solution

Q. The correlating detector is also known as

View solution

Q. The minimum nyquist sampling rate is given as, fs =

View solution

Q. Phase-locked loop circuitry is used for

View solution

Q. In differential PSK the date is

View solution

Q. Envelope detector consists of

View solution

Q. The minimum required spacing is the difference between the

View solution

Q. The minimum tone separation corresponds to

View solution