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Microwave Communication
The coarse frequency adjustment of a reflex klystron is accomplished by
Adjusting the flexible wall of the resonant cavity
Varying the repeller voltage
The AFC system
An adjustment in the synchronizer
Adjusting the flexible wall of the resonant cavity
Varying the repeller voltage
The AFC system
An adjustment in the synchronizer
Answer
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Related Question
Microwave Communication
If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers
May be decreased
Must be doubled
Must be increased
Must remain as before
May be decreased
Must be doubled
Must be increased
Must remain as before
Answer
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Microwave Communication
Rainfall is an important factor for fading of radio waves at frequencies above
10 GHz
100 MHz
1 GHz
100 GHz
10 GHz
100 MHz
1 GHz
100 GHz
Answer
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Microwave Communication
If k-factor is greater than 1, the array beam is bent
Towards the ionosphere,
Towards the outer space
Away from the earth
Towards the earth
Towards the ionosphere,
Towards the outer space
Away from the earth
Towards the earth
Answer
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Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?
Rayleigh fading
Wavelength fading
Rician fading
Slow fading
Rayleigh fading
Wavelength fading
Rician fading
Slow fading
Answer
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Microwave Communication
A PPI cathode-ray tube as used on a radar set
Indicates only the range of a target
Is used for receiver alignment
Is used to check the percentage of modulation
Indicates both the range and azimuth of a target
Indicates only the range of a target
Is used for receiver alignment
Is used to check the percentage of modulation
Indicates both the range and azimuth of a target
Answer
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