The use of radio for determining the position of something by means of reflected radio waves or transmitted signals, esp. for the purpose of…
单词 | θ130004 |
释义 | the mind > attention and judgement > discovery > instrument for detection > [noun] > radar system (31) radiolocation1935 The use of radio for determining the position of something by means of reflected radio waves or transmitted signals, esp. for the purpose of… televisibility1940 U.S. An early form of radar, developed by the American engineer A. N. Goldsmith. rare. radar1941 A system for detecting the presence of distant objects, and determining their direction, distance, or motion, by transmitting pulses of radio waves… precision approach radar1950 a ground-based radar system used to follow accurately the approach of an aircraft and to enable landing to be supervised from the ground. PAR1951 precision approach radar. MTI1956 moving-target indication (a radar system that gives prominence to moving objects). AWACS1966 An airborne long-range radar system for detecting other aircraft, including low-flying ones, and controlling weapons directed against them. Subcategories:— using laser radiation (2) — apparatus used in (16) — location of target (2) — wave or beam (2) — position line (1) — protection against radar detection (1) |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。