Digital Communication Questions and Answers
Q1.
Matched filter technique is used to
Answer :
Increase SNR
Q2.
Advantages of digital communication are
Answer :
1. Easy multiplexing
2. Easy processing
3. Reliable
Q3.
The interval of frequencies outside which the spectrum is zero is called as _____
Answer :
absolute bandwidth
Q4.
Which noise is useful for dithering?
Answer :
Brown noise
Q5.
Thermal noise is a wide sense stationary process.
Answer :
True
Q6.
SQNR can be improved by _____ sampling rate.
Answer :
Increasing
Q7.
Shot noise is avoidable when current is
Answer :
Zero
Q8.
The process of data conversion along with formatting the data is called as ____
Answer :
Source coding
Q9.
Perform the bit stream partitioning and find the 8-ary waveform for the word ‘THINK’.
Answer :
1204443464
Q10.
The point at which the output signal power has fallen to 0.707 of its peak value is called as ___
Answer :
3db & Half power point
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