primary antenna

См. также в других словарях:

• Antenna (radio) — Whip antenna on car …   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

• Laser Interferometer Space Antenna — For other uses of this acronym, see LISA (disambiguation). Laser Interferometer Space Antenna Artist s conception of LISA spacecraft Operator ESA, NASA Satellite of Sun The Laser Interfe …   Wikipedia

• Bacterial antenna complex — Pfam box Symbol = LHC Name = Antenna complex alpha/beta subunit width = caption = Pfam= PF00556 InterPro= IPR000066 SMART= PROSITE = PDOC00748 SCOP = 1lgh TCDB = OPM family= 1 OPM protein= 1lgh PDB=PDB3|1lghK:11 45 PDB3|1nkzD:5 41 PDB3|1kzuB:5… …   Wikipedia

• J-antenna — A half wave antenna, end fed by a parallel wire quarter wave section having the configuration of a “J.” The antenna has an omnidirectional radiation pattern in the horizontal plane. This antenna is used primarily at very high and ultrahigh… …   Aviation dictionary

• Laser Interferometry Space Antenna — The Laser Interferometer Space Antenna (LISA) is a mission that will detect and study gravitational waves coming from sources involving massive black holes and galactic binaries.As the first dedicated space based gravitational wave observatory,… …   Wikipedia

• 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

• Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered …   Wikipedia

• Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …   Wikipedia

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Sensormatic — Sensormatic, currently known as Tyco Fire Security, is in the business of the manufacture and sale of electronic article surveillance equipment. Sensormatic Electronics Corporation was purchased by Tyco International Ltd. in 2001. The acquisition …   Wikipedia