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Microwave Communication

Microwave Communication
Coupling into and out of a traveling-wave tube can be accompanied by a

All of these
Waveguide match
Cavity match
Direct coax-helix match

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

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

Rayleigh fading
Rician fading
Slow fading
Wavelength fading

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Microwave Communication
The main frequency determining element of a klystron is

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

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Microwave Communication
The maximum usable range of the usual radar set (on any particular range setting) is determined by

The interval between transmitted pulses
The width of the transmitted pulses
The bandwidth of the receiver IF stages
The duty cycle

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

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

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MORE MCQ ON Microwave Communication

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