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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