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NAVAL RADAR

naval radar
 
 Author(s)                

Norman Friedman
 Publisher
Conway Maritime Press
 Date
1981
 Pages
240
 Format
pdf
 Size
50.4 Mb

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   The present volume attempts to describe in some detail the array of naval radars from their inception in 1937 to the present, and to examine some of the ideas behind their designs and also behind the way in which they have been mounted aboard warships. Some major pieces of non-radar electronics will also be described and illustrated. Nearly all radars operate by sending out a stream of pulses made up of short radio waves; the pulses reflect off objects, and the radar detects them on their return. Since radio waves travel through the atmosphere at a constant and very high speed, the short time interval between pulse and reception measures the distance to the radar target. The radar system, then, consists of a pulsing sources of electrical energy coupled to an antenna which emits corresponding radio pulses in a more or less well-defined beam; and a receiver to detect the returning echo and use it to operate some kind of display device. Each of these simple descriptions hides enormous technical problems, only some of the solutions to which will be touched on here.
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