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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 11
26.
If Vs is signal voltage, Vn is noise voltage, signal to noise ratio S/N is defined as
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The PDF of a Gaussian random variable X is given by . The probability of the event {X = 4} is
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Tuned voltage amplifiers are not used
in public address systems
in radio receivers
in television receivers for sound signals
in television receivers for video signals
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
If B is the bandwidth, the thermal noise voltage is proportional to
B
B0.5
B1.5
B2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
ARQ stands for
Automatic Repeat Quest
Analog Repeat Request
Automatic Repeat Request
None Of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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