Radar has evolved from a very simple device for the detection of aircraft in the 1930's to the present almost wholly automatic systems in which the radar sensor is an integrated part of a computer complex with completely programmed functions, decision-making operations, and self-check features. The major impetus for the rapid development of radar was the urgent air-defense requirements of the Second World War; this stimulus led to many advances in radar technology in a relatively short period of time. Radar was raised to a level of sophistication comparable to older technologies in a period of less than ten years.
Introduction to Radar, Page 1 of 2
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