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Microwave Communication

Microwave Communication
If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the

π/4 mode
π/2 mode
2π mode
π mode

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

SONAR
LORAN
Echosounder
Fathometer

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

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

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

Radiation
Attenuation
Modulation
Propagation

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Microwave Communication
In microwave transmission using digital radio, what causes most intersymbol interference?

Delayed spreading
Rayleigh fading
Slow fading
Random Doppler shift

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Microwave Communication
Which of the following is used as a high power microwave oscillator?

Klystron
Thyratron
Magnetron
Reflex-klystron

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MORE MCQ ON Microwave Communication

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