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Microwave Communication
A PPI cathode-ray tube as used on a radar set
Indicates both the range and azimuth of a target
Is used to check the percentage of modulation
Indicates only the range of a target
Is used for receiver alignment
Indicates both the range and azimuth of a target
Is used to check the percentage of modulation
Indicates only the range of a target
Is used for receiver alignment
Answer
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Related Question
Microwave Communication
Which causes multipath or frequency selective fading?
Further reflector
Small reflector
Large reflector
Nearer reflector
Further reflector
Small reflector
Large reflector
Nearer reflector
Answer
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Microwave Communication
A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is
1,000 watts
1,000,000 watts
100 watts
10,000 watts
1,000 watts
1,000,000 watts
100 watts
10,000 watts
Answer
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Microwave Communication
What allow microwave to pass in only one direction?
RF emitter
Ferrite emitter
Varactor-triac
Capacitor
RF emitter
Ferrite emitter
Varactor-triac
Capacitor
Answer
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Microwave Communication
Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction?
Circulator
Tunnel diode
Isolator
Wave trap
Circulator
Tunnel diode
Isolator
Wave trap
Answer
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Microwave Communication
In a pulsed radar set, the function of the duplexer is to
All of these
Allow the transmitter and the receiver to operate from a common antenna
Aid in calibrating the display unit
Prevent frequency drift in the klystron
All of these
Allow the transmitter and the receiver to operate from a common antenna
Aid in calibrating the display unit
Prevent frequency drift in the klystron
Answer
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