dummy antenna

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• Dummy load — Cantenna dummy load suitable up to 30 MHz and up to 1 kW A dummy load is a device used to simulate an electrical load, usually for testing purposes. Contents 1 Radio …   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

• Antenna (radio) — Whip antenna on car …   Wikipedia

• Antenna analyzer — An antenna analyzer measuring SWR and complex impedance of a dummy load. MFJ Enterprises Inc. MFJ 269. An antenna analyzer (also known as a noise bridge, RX bridge, SWR analyzer, or RF analyzer) is a device used for measuring the efficiency of… …   Wikipedia

• Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …   Wikipedia

• эквивалент антенны — Неизлучающее в эфир устройство, обычно используемое для имитации антенны с заданным импедансом. [Л.М. Невдяев. Телекоммуникационные технологии. Англо русский толковый словарь справочник. Под редакцией Ю.М. Горностаева. Москва, 2002] Тематики… …   Справочник технического переводчика

• MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …   Wikipedia

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• Hoodoo Gurus — Infobox musical artist Name = Hoodoo Gurus Background = group or band Img capt = Hoodoo Gurus at the 2007 South by Southwest Alias = Le Hoodoo Gurus Origin = Sydney, New South Wales, Australia Genre = Rock, New Wave, College rock Years active =… …   Wikipedia

• BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …   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