Coherent detection of techniques - MCQs with answers

Coherent detection of techniques - MCQs with answers

Q1. In DPSK technique, the technique used to encode bits is

a) AMI
b) Differential code
c) Uni polar RZ format
d) Manchester format

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Q2. Synchronization of signals is done using

a) Pilot clock
b) Extracting timing information from the received signal
c) Transmitter and receiver connected to master timing source
d) All of the above

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Q3. In coherent detection of signals,

a) Local carrier is generated
b) Carrier of frequency and phase as same as transmitted carrier is generated
c) The carrier is in synchronization with modulated carrier
d) All of the above

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