very low frequency

very low frequency
any frequency between 3 and 30 kilohertz. Abbr.: VLF
[1940-45]

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Universalium. 2010.

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  • Very low frequency — or VLF refers to radio frequencies (RF) in the range of 3 kHz to 30 kHz. Since there is not much bandwidth in this band of the radio spectrum, only the very simplest signals are used, such as for radio navigation. Also known as the myriameter… …   Wikipedia

  • very low frequency — n. any radio frequency between 10 and 30 kilohertz …   English World dictionary

  • very-low-frequency — adjective : of or relating to very low frequency or to a radio wave having such a frequency …   Useful english dictionary

  • Very-Low-Frequency-Verfahren — Das Very Low Frequency Verfahren (VLF Verfahren) ist ein passives elektromagnetisches Verfahren in der Geophysik. Unter Ausnutzung der elektromagnetischen Induktion lassen sich Rückschlüsse auf die Leitfähigkeit des Untergrundes ziehen.… …   Deutsch Wikipedia

  • Very Low Frequency (Geophysik) — Das Very Low Frequency Verfahren (VLF Verfahren) ist ein passives elektromagnetisches Verfahren in der Geophysik. Unter Ausnutzung der elektromagnetischen Induktion lassen sich Rückschlüsse auf die Leitfähigkeit des Untergrundes ziehen.… …   Deutsch Wikipedia

  • very low-frequency band — labai žemų dažnių diapazonas statusas T sritis radioelektronika atitikmenys: angl. very low frequency band vok. Längstwellenfrequenzband, n rus. диапазон очень низких частот, m pranc. gamme de très basses fréquences, f …   Radioelektronikos terminų žodynas

  • very low frequency antenna — labai žemų dažnių antena statusas T sritis radioelektronika atitikmenys: angl. very low frequency antenna vok. Ultralangwellenantenne, f rus. антенна диапазона очень низких частот, f pranc. antenne pour ondes ultra longues, f …   Radioelektronikos terminų žodynas

  • very low frequency — noun Date: 1938 a radio frequency between low frequency and voice frequency see radio frequency table …   New Collegiate Dictionary

  • very low-frequency emission —    Abbreviated VLF. Radiation emitted by a computer monitor and other common household electrical appliances, such as televisions, hair dryers, electric blankets, and food processors.    VLF emissions range from 2 to 400kHz and decline with the… …   Dictionary of networking

  • very low frequency — ver′y low fre′quency n. rtv any frequency between 3 and 30 kilohertz Abbr.: VLF • Etymology: 1935–40 …   From formal English to slang

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