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Microwave Communication

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

Rayleigh fading
Slow fading
Rician fading
Wavelength fading

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

Reflex klystron
Magnetron
Traveling-wave tube
Gunn diode

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Microwave Communication
In an SHF pulsed radar set, a reflex klystron can be used as a

Transmitter oscillator
Local oscillator
Single mixer stage
Duplexer stage

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Microwave Communication
To achieve good bearing resolution when using a pulsed-radar set, an important requirement is

A low repetition rate
A narrow, antenna-beam width in the vertical plane
A high duty cycle
A narrow, antenna-beam width in the horizontal plane

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

8493 mmi
6370 km
6370 mi
8493 km

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Microwave Communication
The frequency of the oscillation generated by a magnetron, is mainly determined by

The ratio of the dc cathode voltage to the magnetic flux density
The dimension of each cavity resonator
The number of the cavity resonators
The flux density of the external magnet

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MORE MCQ ON Microwave Communication

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