Introduction To Radar

Radar is basically a means of gathering information about distant object or targets by streaming electromagnetic waves at them and analyzing their echoes (reflection). It was evolved during the years just before World War II independently and more or less simultaneously in Great Britain, the United States, Germanyand France. At first it was used as an all weather method of detecting an approaching aircraft and for detecting anti-aircraft weapons and later for many other purposes. The words ‘RADAR’ is an acronym coined from the words Radio Detection And Ranging (means…

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