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Microwave Communication

Microwave Communication
Which of the reception problems below that is not due to multipath?

Random Doppler shift
Delayed spreading
Rayleigh fading
Slow fading

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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

Must be doubled
May be decreased
Must remain as before
Must be increased

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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 for receiver alignment
Indicates only the range of a target
Is used to check the percentage of modulation

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Microwave Communication
What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?

Circulator
Isolator
Magnetron
Simplex

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Microwave Communication
A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B)

Must have its battery replaced after emergency use
All of these
May be tested during the first five minutes of any hour
Must be capable of floating or being secured to a survival

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Microwave Communication
What allow microwave to pass in only one direction?

Ferrite emitter
Capacitor
Varactor-triac
RF emitter

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MORE MCQ ON Microwave Communication

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