In DPSK system, input signal is differentially encoded and then modulated using a_________ modulator.
A)amplitude
B)frequency
C)bpsk
D)qpsk

Name: In DPSK system, input signal is differentially encoded and then modulated using a_________ modulator. A)amplitude B)frequency C)bpsk D)qpsk
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Question

In DPSK system, input signal is differentially encoded and then modulated using a_________      modulator.
A)amplitude
B)frequency
C)bpsk
D)qpsk

Quizplus · Accepted Answer

DPSK (Differential Phase Shift Keying) uses a BPSK (Binary Phase Shift Keying) modulator for modulation, where the phase of the carrier signal is varied according to the input signal's binary sequence.

In DPSK System, Input Signal Is Differentially Encoded and Then