flat antenna

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• antenna — antennal, adj. /an ten euh/, n., pl. antennas for 1, antennae / ten ee/ for 2. 1. a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial. 2. Zool. one of the jointed, movable,… …   Universalium

• Microstrip antenna — In telecommunication, there are several types of microstrip antennas (also known as printed antennas) the most common of which is the microstrip patch antenna or patch antenna. A patch antenna is a narrowband, wide beam antenna fabricated by… …   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

• 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

• High-gain antenna — The high gain antenna (HGA) is an antenna with a focused, narrow radiowave beam width. This narrow beam width allows more precise targeting of the radio signal also known as a directional antenna. Most commonly referred to during space missions,… …   Wikipedia

• Horn Antenna — Infobox nrhp name =Horn Antenna nrhp type = nhl caption = location= Holmdel, New Jersey USA lat degrees = 40 lat minutes = 23 lat seconds = 29.43 lat direction = N long degrees = 74 long minutes = 11 long seconds = 6.91 long direction = W… …   Wikipedia

• Periscope antenna — In telecommunication, a periscope antenna is an antenna configuration in which the transmitting antenna is oriented to produce a vertical radiation pattern, and a flat or off axis parabolic reflector, mounted above the transmitting antenna, is… …   Wikipedia

• Short backfire antenna — A short backfire antenna (or short back fire, SBA, SBF or SBFA) is a type of a directional antenna, characterized by high gain, relatively small size, and narrow band. It has a shape of a disc with a straight edge, with a vertical pillar with a… …   Wikipedia

• Poker Flat Research Range — The Poker Flat Research Range (PFRR) is a launch facility and rocket range for sounding rockets in the U.S. state of Alaska, owned and operated by the University of Alaska Fairbanks (UAF) Geophysical Institute since 1968. The world s largest land …   Wikipedia

• 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

• Slot antenna — A slot antenna consists of a metal surface, usually a flat plate, with a hole or slot cut out. When the plate is driven as an antenna by a driving frequency, the slot radiates electromagnetic waves in similar way to a dipole antenna. The shape… …   Wikipedia