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Communication Engineering
Quiz 3
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Q.1
Includes
despreading
demodulation
despreading & demodulation
none of the mentioned
Q.2
Jammer which monitors a communicator’s signal is known as
frequency follower jammers
repeat back jammers
frequency follower & repeat back jammers
none of the mentioned
Q.3
Jamming method produces greater degradation?
broadband jamming
partial jamming
broadband & partial jamming
none of the mentioned
Q.4
Increase error probability, the processing gain should be
increased
decreased
exponentially increased
exponentially decreased
Q.5
Broadband jammer jams the entire
w
wss
w & wss
none of the mentioned
Q.6
System should have
larger (j/s)reqd
greater system’s noise rejection capability
larger (j/s)reqd & greater system’s noise rejection capability
none of the mentioned
Q.7
Ratio (J/S)reqd gives the measure of
vulnerability to interference
invulnerability to interference
all of the mentioned
none of the mentioned
Q.8
Jammer consists of
pulse modulated excess band noise
pulse modulated band-limited noise
pulse width modulated excess band noise
pulse width modulated band-limited noise
Q.9
Are the design options for anti jam communicator?
time diversity
frequency diversity
special discrimination
all of the mentioned
Q.10
Method is better?
to share same bandwidth
to share different bandwidth
to share same & different bandwidth
none of the mentioned
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