- horizontal directional beam
- Макаров: диаграмма направленности антенны в горизонтальной плоскости
Универсальный англо-русский словарь. Академик.ру. 2011.
horizontal directional beam
Смотреть что такое "horizontal directional beam" в других словарях:
beam — noun 1》 a long sturdy piece of squared timber or metal used horizontally in building to support a load above. ↘a narrow horizontal length of squared timber used for balancing exercises in gymnastics. 2》 a horizontal beam supporting the deck… … English new terms dictionary
Directional antenna — Log periodic dipole array A directional antenna or beam antenna is an antenna which radiates greater power in one or more directions allowing for increased performance on transmit and receive and reduced interference from unwanted sources.… … Wikipedia
beam — n. & v. n. 1 a long sturdy piece of squared timber or metal spanning an opening or room, usu. to support the structure above. 2 a a ray or shaft of light. b a directional flow of particles or radiation. 3 a bright look or smile. 4 a a series of… … Useful english dictionary
beam — I. noun Etymology: Middle English beem, from Old English bēam tree, beam; akin to Old High German boum tree Date: before 12th century 1. a. a long piece of heavy often squared timber suitable for use in construction b. a wood or metal cylinder in … New Collegiate Dictionary
Fan-beam antenna — A fan beam antenna is a directional antenna producing a main beam having a narrow beamwidth in one dimension and a wider beamwidth in the other dimension. This pattern will be achieved by a truncated paraboloid reflector or a circular paraboloid… … Wikipedia
Microwave Scanning Beam Landing System — The Microwave Scanning Beam Landing System (MSBLS) is a Ku band approach and landing navigation aid formerly used by NASA s space shuttle. It provides precise elevation, directional and distance data which was used to guide the orbiter for the… … Wikipedia
People counter — A people counter is a device used to measure the number and direction of people traversing a certain passage or entrance per time unit. The resolution of the measurement is entirely dependent on the sophistication of the technology employed. The… … Wikipedia
lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… … Universalium
Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an … Wikipedia
Antenna — Contents 1 Science and engineering 1.1 Technology 1.2 Biology … Wikipedia
Marconi, Guglielmo — born April 25, 1874, Bologna, Italy died July 20, 1937, Rome Italian physicist and inventor. He began experimenting with radio waves in 1894. In 1896 he went to England, where he developed a successful system of radio telegraphy. His work on the… … Universalium
