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In an aircraft ESA the beam shape and direction is controlled by _______(a) Navigator(b) Computer(c) Ground controller(d) Cannot be controlledThis question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Electronic Scanned Array Radar topic in portion Surveillance Systems, Mapping and Multimode Radars of Avionics

Answer»

Correct choice is (b) Computer

The best explanation: The beam SHAPE and direction is CONTROLLED by an on-board computer which gives the NECESSARY PHASE shift to the phase shifters to change the beam direction and shape.



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