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Microwave Communication

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

Transmitter oscillator
Local oscillator
Duplexer stage
Single mixer stage

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Microwave Communication
The main frequency determining element of a klystron is

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

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Microwave Communication
__________ is the progressive decrease of signal strength with increasing distance.

Propagation
Attenuation
Radiation
Modulation

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Microwave Communication
The aquadag coating on the inside of PPI tube is used

To focus the beam of primary electrons
To shield the electron beam from unidirectional magnetic
As a second anode and to prevent the build-up of secondary field
All of these

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Microwave Communication
Which of the reception problems below that is not due to multipath?

Random Doppler shift
Slow fading
Delayed spreading
Rayleigh fading

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

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MORE MCQ ON Microwave Communication

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