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Marine Radar Systems

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Questions and Answers

What does the acronym RADAR stand for?

RADIO AND DETECTION RANGE
RADIO DETECTION AND RESPONSE
RADIO DETECTION AND RANGING (correct)
RADIO DETECTION AND RECEPTION

How many main units does a Marine RADAR system consist of?

Six
Four (correct)
Five
Three

What is the speed at which the electromagnetic pulses travel?

200 meters/microsecond
400 meters/microsecond
300 meters/microsecond (correct)
500 meters/microsecond

What is the term for the circular area on the display unit screen?

Plan Position Indicator (D) Signup and view all the answers

What is the term for the visible radial line created by the moving spot on the screen?

Trace (A) Signup and view all the answers

What determines the distance represented by the radius of the circle on the display unit?

Range Scale in use (C) Signup and view all the answers

What is the function of the TR Cell in a RADAR system?

To block the receiver branch of the waveguide during transmission (B) Signup and view all the answers

What is the purpose of the Local Oscillator in a RADAR system?

To oscillate at a constant low power RF (A) Signup and view all the answers

What is the function of the Display Processor Unit in a RADAR system?

To create a rotating trace and control RADAR functions (C) Signup and view all the answers

What is the name of the circular part of the screen in a RADAR system?

PPI (Plan Position Indicator) (A) Signup and view all the answers

What is the purpose of the Mixer in a RADAR system?

To mix the echoes with local oscillations (A) Signup and view all the answers

What is the function of the IF Amplifier in a RADAR system?

To amplify the IF signals several million times (A) Signup and view all the answers