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Microwave Communication

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

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

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

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

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Microwave Communication
The resonant frequency of a cavity resonator depends upon

The mode of operation
The capacitor which tunes it
Its physical dimensions
Its electrical dimensions

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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
What allow microwave to pass in only one direction?

Capacitor
Varactor-triac
Ferrite emitter
RF emitter

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MORE MCQ ON Microwave Communication

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