ATT TEST 12 EXAM QUESTIONS AND ANSWERS GRADED A+
What does RADAR stand for? ANS >> Radio Detection and
Ranging
What is the purpose of RADAR systems? ANS >> Measures
VELOCITY and LOCATION of an object by determining time
required for electronic signal to travel to and from object
What can RADAR detect? ANS >> Position, heading, bearing
(azimuth), altitude, speed
,ATT TEST 12 EXAM
What is LOS? ANS >> Line of Sight, line form radar set directly
to object
What is range? ANS >> The length of the LOS line
What is the elevation angle (E)? ANS >> Angle between LOS
and horizontal plane
What is the angle measured clockwise from true north in the
horizontal plane? ANS >> True bearing or azimuth
What are 9 parts of a basic radar system? ANS >> Modulator,
synchronizer, antenna, antenna control, transmitter, receiver,
display, video processor, duplexer
What part of a radar system controls all radar system timing
signals that ensure synchronous operation and are related to
PRF? ANS >> Synchronizer (timer)
What part of radar system contains a pulse forming network
(PFN) that produces high volt pulse to fire transmitter? ANS >>
Modulator
, ATT TEST 12 EXAM
What fires the transmitter? ANS >> Pulse Forming Network
What part of radar system produces electromagnetic energy in
the form of continuous waves or short powerful pulses? ANS
>> Transmitter
What part of radar system is an RF switch that permits radar
system to use a SINGLE antenna to both receive/transmit? ANS
>> Duplexer
What part of radar system focuses transmitted EM energy into a
beam, radiates it out into space, and catches the echo signal?
ANS >> Antenna
Which part of radar system consists of electromechanical
devices such as synchro’s, servos, and gyros that correctly
position antenna? ANS >> Antenna control
Which part of radar system amplifies and concerts returned RF
echo into video signal? ANS >> Receiver