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radar
(Encyclopedia)radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, ...radar astronomy
(Encyclopedia)radar astronomy, application of radar to the determination of distances and planetary features within the solar system, such as rotation rates. A short burst of radio waves is transmitted in the direc...stealth technology
(Encyclopedia)stealth technology, designs and materials engineered for the military purpose of avoiding detection by radar or any other electronic system. Stealth, or antidetection, technology is applied to vehicle...direction finder
(Encyclopedia)direction finder, electronic device used to determine the position of a ship or aircraft. In a simple direction finder a radio receiver is equipped with a revolving directional antenna. The antenna re...Lovell, Sir Bernard
(Encyclopedia)Lovell, Sir Bernard (Sir Alfred Charles Bernard Lovell), 1913–2012, English radio astronomer, b. Oldland Common, Gloucestershire, England, Ph.D. Univ. of Bristol, 1936. He was a member of the cosmic...Resolution Island
(Encyclopedia)Resolution Island, 387 sq mi (1,002 sq km), off SE Baffin Island, Canada, Nunavut Territory, at the east entrance of Hudson Strait. At its southern extremity is a radar and meteorological station. ...Felling
(Encyclopedia)Felling, town, Gateshead metropolitan district, NE England. Felling is an industrial suburb of Gateshead and part of the Newcastle upon Tyne industrial ...reconnaissance satellite
(Encyclopedia)reconnaissance satellite, artificial satellite launched by a country to provide intelligence information on the military activities of foreign countries. There are four major types. Early-warning sate...antenna
(Encyclopedia)antenna ăntĕnˈə [key], in electronics, system of wires or other conductors used to transmit or receive radio or other electromagnetic waves (see radio); sometimes called an aerial. The idea of usi...camouflage
(Encyclopedia)camouflage kămˈəfläzh [key], in warfare, the disguising of objects with artificial aids, especially for the purpose of making them blend into their surroundings or of deceiving the observer as to ...Browse by Subject
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