DPSK uses coherent form of PSK.

Related MCQs

• Coherent PSK and non coherent orthogonal FSK have a difference of               in PB.
• BPSK uses non-coherent demodulator.
• In DPSK system, input signal is differentially encoded and then modulated using a                  modulator.
• The DPSK needs                  Eb/N0 than BPSK.
• PSK stands for Pulse Shift Keying.
• What is the radius of the circle in M-ary PSK on which message points are equaly spaced?
• The power efficiency of the M ary PSK decreases because of the            
• In comparison to M-ary PSK, M-ary QAM bandwidth efficiency is            and power efficiency is                  
• Non coherent detection requires the knowledge of transmitted carrier frequency and phase at the receiver.
• Coherent demodulation of FSK signal can be performed using