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Microwave Communication

Microwave Communication
A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor.

Fathometer
LORAN
Echosounder
SONAR

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Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a

Reflex klystron
Traveling-wave tube
Gunn diode
Magnetron

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Microwave Communication
In a radar-set receiver, the usual mixer stage is

And FET
A Rochelle salts crystal
A silicon crystal
A tunnel diode

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Microwave Communication
When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have

The restricted high-frequency response
A long time constant
Low-pass filters
The shortest possible time

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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

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Microwave Communication
It is possible to increase the maximum range of a radar equipment by

Narrowing the beam width and increasing the pulse duration
Raising the peak power of the transmitter
All of these
Lowering the pulse frequency

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MORE MCQ ON Microwave Communication

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