Digital Communication Questions and Answers
Q1.
The rake receivers functions are similar to
Answer :
Equalizer & Matched filter
Q2.
Channel’s time spreading properties are
Answer :
Coherence bandwidth & Signal dispersion
Q3.
Block fading occurs in
Answer :
Frequency & Time domain
Q4.
If signalling rate is less than fading rate, _____ fading occurs.
Answer :
Fast
Q5.
Large scale fading refers the attenuation in
Answer :
Signal power
Q6.
What are the types of small scale fading that occurs due to Doppler shift?
Answer :
Slow & Fast fading
Q7.
1 bit quantizer is a
Answer :
Hard limiter & Two level comparator
Q8.
The theoretical gain in zero crossing TED is greater than early late TED.
Answer :
True
Q9.
The type of noise that interferes much with high frequency transmission is
Answer :
Transit time
Q10.
Quantization is a _____ process.
Answer :
Non linear
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