Avionics Electronic Scanned Array Radar Online Exam Quiz
Avionics Electronic Scanned Array Radar GK Quiz. Question and Answers related to Avionics Electronic Scanned Array Radar. MCQ (Multiple Choice Questions with answers about Avionics Electronic Scanned Array Radar
What is the number of transmitting modules in a common AESA?
Options
A : 20 to 50
B : 1000 to 2000
C : 150 to 200
D : 1
Which of the following can track multiple targets with ease?
Options
A : AESA
B : PESA
C : ESA
D : Conical radar antenna
The possibility of one phased array radar to act as multiple radars is called as _______
Options
A : ESA
B : Multimode
C : Digital
D : interleaving radar modes
Which of the following are present in an ESA?
Options
A : Gimbals
B : Electronic motors
C : Phase shifter
D : Potentiometer
The ESA radar beam can be repositioned in a few _______
Options
A : Microseconds
B : Nanoseconds
C : Milliseconds
D : Seconds
What is the fundamental limitation of the radar that is overcome by Electronic scanned array radars?
Options
A : More clarity
B : Situation awareness
C : Better range
D : Less noise
In an aircraft ESA the beam shape and direction is controlled by _______
Options
A : Navigator
B : Computer
C : Ground controller
D : Cannot be controlled
Which one of the following is common between AESA and PESA?
Options
A : Number of transmitting modules
B : Number of frequencies that can be used
C : Power required by each transmitter
D : Electronic scanning capability
Which of the following is false with respect to PESA?
Options
A : PESA can only have one main beam and one transmit power source
B : All elements combine to a single receiver. Each element steers the beam through phase shifters
C : Because it uses a, multiple frequencies, it is less susceptible to enemy jammers
D : PESA is more technically simple
How is the radar beam moved in the ESA?
Options
A : Phase shift
B : Mechanical gimbal
C : Mechanical servos
D : Hydraulics
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