- over ground dipole
- четвертьволновый несимметричный вибратор
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
over ground dipole
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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
ground effect — i. The change in the aerodynamic reaction on an aircraft caused by the proximity of the ground. An aircraft, helicopter, or any other flying machine flying very near to the ground experiences an increase in lift. This additional lift or… … Aviation dictionary
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Monopole antenna — Mast radiator monopole antenna used for broadcasting. AM radio station WARE, Warren, Massachusetts, USA. A monopole antenna is a class of radio antenna consisting of a straight rod shaped conductor, often mounted perpendicularly over some type of … Wikipedia
HRS antenna — HRS type antennas are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). Contents 1 History of HRS design 2 Nomenclature 3 A versatile antenna type … 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
Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very … Wikipedia
Rectenna — A rectenna is also a scanning and tracking array in the Star Wars universe. A rectenna is a rectifying antenna, a special type of antenna that is used to directly convert microwave energy into DC electricity. Its elements are usually arranged in… … Wikipedia
Mast radiator — A typical mast radiator in Chapel Hill, North Carolina. The high RF voltage on the mast can deliver a dangerous electrical shock to anyone touching it, so the base is surrounded by a fence to prevent access … Wikipedia
Extremely low frequency — (ELF) is the band of radio frequencies from 3 to 30 Hz. ELF was used by the US Navy and Soviet/Russian Navy to communicate with submerged submarines.ExplanationBecause of the electrical conductivity of salt water, submarines are shielded from… … Wikipedia
Rhombic antenna — signal gathering action compared to other end fire, backfire and traveling wave types. A rhombic antenna is a broadband directional antenna co invented by Edmond Bruce and Harald Friis,[1] mostly commonly used in HF (high frequency, also called… … Wikipedia
