- extremely low frequency (ELF)
- 1) Общая лексика: сверхнизкая частота (30-300 Hz)
Универсальный англо-русский словарь. Академик.ру. 2011.
extremely low frequency (ELF)
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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
extremely low frequency — noun below 3 kilohertz • Syn: ↑ELF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum * * * Radio. any frequency between 30 and 300 hertz. Abbr.: ELF, elf [ … Useful english dictionary
Extremely Low Frequency — (kurz ELF, dt. „Niederfrequenzbereich“) bzw. extrem niedrige Frequenz bezeichnet elektromagnetische Felder oder Wellen mit extrem niedrigen Frequenzen von 3 bis 30 Hz (Wellenlänge: 100.000 km bis 10.000 km; nicht zu verwechseln mit … Deutsch Wikipedia
extremely low-frequency emission — Abbreviated ELF. Radiation emitted by a computer monitor and other common electrical appliances. ELF emissions fall into the range of 5 to 2000 hertz and decline with the square of the distance from the source. Emissions are not constant… … Dictionary of networking
extremely low frequency — Radio. any frequency between 30 and 300 hertz. Abbr.: ELF, elf [1965 70] * * * … Universalium
extremely low frequency — extreme′ly low′ fre′quency n. elo rtv any radio frequency between 30 and 300 hertz Abbr. : ELF • Etymology: 1965–70 … From formal English to slang
extremely low frequency — noun any radiofrequency between 3 and 30 hertz. Abbrev.: ELF …
Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
Super low frequency — (SLF) is the frequency range between 30 hertz and 300 hertz. This frequency range includes the frequencies of AC power grids (50 hertz and 60 hertz). The radio services Seafarer (USA) on 76 hertz and ZEVS (Russia) on 82 hertz operate in this… … Wikipedia
Extreme Low Frequency — (kurz ELF) bezeichnet elektromagnetische Felder oder Wellen mit extrem niedrigen Frequenzen bis einigen hundert Hz. Nach einer anderen Einteilung wird hiermit der Frequenzbereich 3 Hz bis 300 Hz gemeint. Inhaltsverzeichnis 1 Anwendung 2… … Deutsch Wikipedia
ELF — (Extremely Low Frequency) elf very low frequency electromagnetic radiation emitted by electrical appliances … English contemporary dictionary
