- electromagnetic ground wave
- электромагнитная поверхностная волна
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
electromagnetic ground wave
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ground wave — The component of a transmitted electromagnetic wave that travels from ground transmitter to ground receiver along the surface of the earth. These waves may follow the earth’s curvature caused by diffraction and bending and can cover very large… … Aviation dictionary
Ground Wave Emergency Network — The Ground Wave Emergency Network (GWEN) was a command and control communications system intended for use by the United States government to facilitate military communications during a nuclear war. The network was implemented as an array of… … Wikipedia
Ground conductivity — refers to the electrical conductivity of the subsurface of the earth.Radio propagationGround conductivity is an extremely important factor in determining the field strength and propagation of surface wave (ground wave) radio transmissions. Low… … Wikipedia
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
Electromagnetic compatibility — (EMC) is the branch of electrical sciences which studies the unintentional generation, propagation and reception of electromagnetic energy with reference to the unwanted effects (Electromagnetic Interference, or EMI) that such energy may induce.… … Wikipedia
Ground-penetrating radar — (GPR) is a geophysical method that uses radar pulses to image the subsurface. This non destructive method uses electromagnetic radiation in the microwave band (UHF/VHF frequencies) of the radio spectrum, and detects the reflected signals from… … Wikipedia
Electromagnetic pulse — Ebomb redirects here. For EBOM, see Engineering bill of materials. This article is about the general weapons effect. For other uses, see the more specific topic (for example, Electromagnetic forming) An electromagnetic pulse (sometimes… … Wikipedia
Electromagnetic interference — RIV redirects here. For other uses, see RIV (disambiguation). Electromagnetic interference in analog TV signal Electromagnetic interference (or EMI, also called radio frequency interference or RFI) is disturbance that affects an electrical… … Wikipedia
wave — Synonyms and related words: Afro, accost, address, advertise, affect, air, ambages, amplitude, anfractuosity, antinode, barber, be poised, beat, beat the drum, betoken, bicker, billow, blazon forth, bob, bobble, bore, bow, brandish, brandishing,… … Moby Thesaurus
Ground dipole — A Ground dipole, or Ground antenna, is a special type of antenna which consists of two electrodes positioned in the ground.=Description=Ground dipole antennas are usually used for transmitting and receiving on the ELF and VLF bands. The antenna… … 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
