Shared Flashcard Set

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AT BASIC 5
n/a
16
Aviation
Undergraduate 4
10/10/2013

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Cards

Term
What radar system uses both a ground-based interrogator and an aircraft-based transponder?
Definition
Secondary radar
Term
What is a radio detection device which provides information on the range, azimuth, and/or elevation of objects?
Definition
Radar
Term
Which radar system relies on reflected radio signals and does NOT require equipment in aircraft?
Definition
Primary radar
Term
What are two types of radar jamming?
Definition
Passive and active
Term
What is the electronic device that permits radar presentations only from targets in motion?
Definition
Moving Target Indicator
Term
Which radar feature reduces or eliminates echoes from precipitation?
Definition
Circular Polarization
Term
What causes Anomalous Propagation clutter on primary radar systems?
Definition
Moisture in the air bending the radar signal
Term
What causes temperature inversion clutter on primary radar systems?
Definition
Warm air over cool air deflecting the radar signal
Term
The primary radar clutter caused by dropping large amounts of shredded foil is called ________ jamming.
Definition
passive
Term
Secondary radar interference caused by a transponder replying excessively is called _______.
Definition
Ring around
Term
Which of the following is an advantage of a secondary radar system?
Definition
Radar responses are not degraded by weather or ground clutter.
Term
__ Broadcasts interrogator transmission
Definition
Antenna
Term
Processes transponder replies and forwards data to the radar display
Definition
Decoder
Term
_ Ground-based transmitter
Definition
Interrogator
Term
Airborne receiver/transmitter
Definition
Transponder
Term
Depicts an electronic presentation of radar-derived information.
Definition
Radar display
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