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Microwave Communication

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

Wavelength fading
Rician fading
Rayleigh fading
Slow fading

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Microwave Communication
Calculate the effective earth’s radius if the surface refractivity is 301.

6370 mi
8493 mmi
6370 km
8493 km

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Microwave Communication
Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction?

Tunnel diode
Circulator
Isolator
Wave trap

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

Echosounder
LORAN
Fathometer
SONAR

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Microwave Communication
The main frequency determining element of a klystron is

Its resonant cavity
Its mode of operation
The accelerating voltage
The repeller voltage

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

Ferrite emitter
RF emitter
Varactor-triac
Capacitor

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