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Microwave Communication

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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Microwave Communication
Which of the following is used as a high power microwave oscillator?

Thyratron
Magnetron
Reflex-klystron
Klystron

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

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

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Microwave Communication
If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the

π/4 mode
2π mode
π mode
π/2 mode

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Microwave Communication
A PPI cathode-ray tube as used on a radar set

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

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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
Magnetron
Isolator
Simplex

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MORE MCQ ON Microwave Communication

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