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Microwave Communication

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

Ferrite emitter
Capacitor
Varactor-triac
RF emitter

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Microwave Communication
Rainfall is an important factor for fading of radio waves at frequencies above

1 GHz
100 GHz
100 MHz
10 GHz

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

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

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Microwave Communication
Which of the following operating frequencies is used for the modern loran navigational system?

Loran D: 10.2 kHz
Loran A: 1950 kHz
Loran C: 100 kHz
Loran B: 900 kHz

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Microwave Communication
In a pulsed radar set, the function of the duplexer is to

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

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Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?

Rician fading
Wavelength fading
Slow fading
Rayleigh fading

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MORE MCQ ON Microwave Communication

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