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Microwave Communication
Which of the reception problems below that is not due to multipath?
Rayleigh fading
Delayed spreading
Slow fading
Random Doppler shift
Rayleigh fading
Delayed spreading
Slow fading
Random Doppler shift
Answer
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Related Question
Microwave Communication
A PPI cathode-ray tube as used on a radar set
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
Indicates both the range and azimuth of a target
Is used to check the percentage of modulation
Indicates only the range of a target
Answer
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Microwave Communication
The Gunn diode oscillator
Operates over a positive resistance characteristic
Depends on the formation of charge domain
Generates frequencies which are below 100 MHz
Is capable of generating continuous microwave power of the order of kilowatt
Operates over a positive resistance characteristic
Depends on the formation of charge domain
Generates frequencies which are below 100 MHz
Is capable of generating continuous microwave power of the order of kilowatt
Answer
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Microwave Communication
When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target.
Which may be used to tune the radar receiver
Tune the magnetron to the correct frequency
Which may be used to tune the radar synchronizer
To the tone of the pulse repetition
Which may be used to tune the radar receiver
Tune the magnetron to the correct frequency
Which may be used to tune the radar synchronizer
To the tone of the pulse repetition
Answer
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Microwave Communication
As the electron beam moves through a klystron’s intercavity drift space
Frequency modulation at the input cavity creates velocity modulation at the output cavity
Velocity modulation at the input cavity creates density modulation at the output cavity
Density modulation at the input cavity creates velocity modulation at the output cavity
Phase modulation at the input cavity creates velocity modulation at the output cavity.
Frequency modulation at the input cavity creates velocity modulation at the output cavity
Velocity modulation at the input cavity creates density modulation at the output cavity
Density modulation at the input cavity creates velocity modulation at the output cavity
Phase modulation at the input cavity creates velocity modulation at the output cavity.
Answer
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Microwave Communication
__________ is the progressive decrease of signal strength with increasing distance.
Radiation
Attenuation
Propagation
Modulation
Radiation
Attenuation
Propagation
Modulation
Answer
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