Digital Communication Questions and Answers
Q1.
Which value of μ corresponds to linear amplification?
Answer :
μ=0
Q2.
Quantization noise can be reduced by ______ the number of levels.
Answer :
Increasing
Q4.
The distortion in quantization is called as
Answer :
Round off & Truncation error
Q5.
When channel bandwidth is greater than the pulse bandwidth, it causes
Answer :
Intersymbol interference
Q6.
The output of sampling process are called as _____
Answer :
Pulse amplitude modulation
Q7.
Aliasing can be removed using
Answer :
Prefiltering & Postfiltering
Q8.
As the eye opens, ISI ____
Answer :
Decreases
Q9.
Equalization method which is done by tracking a slowly time varying channel response is
Answer :
Adaptive equalization
Q10.
A Gaussian distribution into the non linear envelope detector yields
Answer :
Rayleigh distribution
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