hyperbolic reflector

См. также в других словарях:

• Reflector (antenna) — An antenna reflector is a device that reflects electromagnetic waves.It is often a part of an antenna assembly.The most common reflector types are * corner reflector which reflects the incoming signal back to the direction it came from *… …   Wikipedia

• Cassegrain reflector — The Cassegrain reflector is a combination of two coaxial reflectors used in Cassegrain telescopes and radio antennas.First developed in 1672 by Laurent Cassegrain, this reflector is a combination of a primary concave mirror and a secondary convex …   Wikipedia

• Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …   Wikipedia

• Parabola — For other uses, see Parabola (disambiguation). A parabola …   Wikipedia

• Orbifold — This terminology should not be blamed on me. It was obtained by a democratic process in my course of 1976 77. An orbifold is something with many folds; unfortunately, the word “manifold” already has a different definition. I tried “foldamani”,… …   Wikipedia

• Garden of Eden (cellular automaton) — An orphan pattern in Conway s Game of Life, discovered by R. Banks in 1971.[1] …   Wikipedia

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

• Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …   Wikipedia

• New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …   Wikipedia

• Satellite dish — A C band satellite dish …   Wikipedia

• Horn (telecommunications) — In telecommunications, the term horn has the following meanings:* In radio transmission, an open ended waveguide, of increasing cross sectional area, which radiates directly in a desired direction or feeds a reflector that forms a desired beam.… …   Wikipedia