- directional earth relay
- Техника: направленное реле от замыканий на землю
Универсальный англо-русский словарь. Академик.ру. 2011.
directional earth relay
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Microwave radio relay — is a technology for transmitting digital and analog signals, such as long distance telephone calls and the relay of television programs to transmitters, between two locations on a line of sight radio path. In microwave radio relay, radio waves… … Wikipedia
Shortwave relay station — A shortwave relay station typically consists of a transmitter building (or transmitter hall) and one or more HRS type antennas. Some relay stations (that operate at 100 kW or less) that only serve a local region (within 1500 km) may use Log… … Wikipedia
направленное реле от замыканий на землю — — [В.А.Семенов. Англо русский словарь по релейной защите] Тематики релейная защита EN directional earth relay … Справочник технического переводчика
ANSI Device Numbers — The ANSI Standard Device Numbers [ [http://www.geindustrial.com/pm/notes/ref/ANSI.pdf GE Multilin ANSI Standard Device Number] ] [ Protective Relaying Manual , Pennsylvania Electric Association (1975)] [ [http://www.basler.com/downloads/ANSI… … Wikipedia
Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… … Wikipedia
telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
Colonization of Mars — An artist s conception of the colonization of Mars, with a cutaway showing part of the interior The colonization of Mars by humans is the focus of speculation and serious study because the surface conditions and availability of water on Mars make … Wikipedia
Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… … Wikipedia
Mars Exploration Rover — Artist s conception of rover on Mars Part of a panorama taken by the Spi … Wikipedia
Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
