- circular scanning antenna
- Авиация: антенна с круговым сканированием
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… … Wikipedia
Collocation (remote sensing) — Collocation is a procedure used in remote sensing to match measurements from two or more different instruments. This is done for two main reasons: for validation purposes when comparing measurements of the same variable, and to relate… … Wikipedia
COSMOSOMAS — is a circular scanning astronomical microwave experiment to investigate the Cosmic Microwave Background anisotropy and diffuse emission from the Galaxy on angular scales from 1 to 5 degrees. It was designed and built by the Instituto de… … Wikipedia
History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… … Wikipedia
List of cosmic microwave background experiments — A comparison of the sensitivity of WMAP with COBE and Penzias and Wilson s telescope. Simulated data. There have been a variety of experiments to measure the Cosmic microwave background (CMB) radiation anisotropies and polarization since its… … Wikipedia
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
SCR-268 radar — The SCR 268 (for Signal Corps Radio no. 268 ) was the US Army s first radar system. It was developed to provide accurate aiming information and used in gun laying systems and directing searchlights against aircraft.The system was already… … Wikipedia
MGM-31 Pershing — Pershing was a family of solid fueled two stage medium range ballistic missiles designed and built by Martin Marietta to replace the Redstone missile as the United States Army s primary theater level weapon. The Pershing systems lasted over 30… … Wikipedia