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
Antenna feed — The antenna feed refers to the components between an antenna and an amplifier (HPA and LNB or LNA).For satellite communications the feed might consist of the Antenna Horn, Orthomode transducer, polarizator, Frequency diplexer, Waveguide,… … Wikipedia
Antenna (radio) — Whip antenna on car … Wikipedia
Antenna — Contents 1 Science and engineering 1.1 Technology 1.2 Biology … Wikipedia
Feed horn — In satellite dish and antenna design parlance, a feedhorn (or feed horn) is a horn antenna used to convey radio waves between the transceiver (transmitter and/or receiver) and the reflector. The feedhorn also selects the polarity of the waves to… … 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
Horn (telescope) — A horn is a stationary radio telescope. Horns were originally built to observe specific objects in the sky, and preceded the more commonly known movable dishes used today. See also * Feed horn * Horn (telecommunications) * Horn Antenna, Bell Labs … Wikipedia
Feed — may refer to:* As a verb, to feed means to give food to, or to eat food. See feeding. * Feed as a noun often refers to animal feed, food given to or meant for livestock (see also fodder )Inserting one thing into another: * Card feed * Paper… … Wikipedia
Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… … Wikipedia
Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… … Wikipedia
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia