VLF


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VLF

abbr.
very low frequency
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

VLF

or

vlf

abbreviation for
(Telecommunications) very low frequency
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

VLF

or vlf,

very low frequency.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.VLF - 3 to 30 kilohertz
radio frequency - an electromagnetic wave frequency between audio and infrared
electromagnetic spectrum - the entire frequency range of electromagnetic waves
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

VLF

[ˌviːɛlˈɛf] abbr (=very low frequency)V-neck [ˈviːnɛk]
ncol m en V
modif [sweater, jumper] → à col en VV-necked [ˈviːnɛkt] adj [sweater, jumper] → à col en V
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

VLF

[ˌviːɛlˈɛf] n abbr =very low frequencyV.L.F. =bassissima frequenza
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
- Investigation of airborne VLF anomalies, particularly along the southeast projection of the Mine Trend that have not been fully investigated - review with prospecting mapping and assaying;
Under the theme 'Titibuk-Tibok,' this year's VLF, which will run in various venues of the Cultural Center of the Philippines June 19-July 7, is expanding its slate of activities and finally widening its audience beyond Manila.
"The VLF 2019 program is designed for 3 years and includes monitoring the process of environmental and social issues, as well as helping the local population at risk to reduce the threat," said the program coordinator Nursultan Kubatbekov.
Frequency domain total power and VLF values significantly increased during sleep, however there were no significant differences between two groups.
These VLF electromagnetic fields are already used by submarines to send emergency signals.
Therefore, in this paper, we will present an improved new approximate method for computing the propagation effect of lightning-produced extremely low-frequency (ELF) and very low-frequency (VLF) ground wave propagation over intermediate ranges.
TS, rMSSD, pNN50, VLF, LF, and HF values were significantly lower in the HP group than in the N-HP group (Figure 1).
Heart rate variability was measured as time domains measured over 24 hours (SDNN, ASDNN, rMSSD, pNN50%, SDANN, and mean NN) and frequency domains measured hourly (very low frequency (VLF), low frequency (LF), high frequency (HF), and low/high ratio) as well as a mean value taken over the 24-hour monitoring period.
Leveraging Vital Alert's in-depth expertise in VLF technology, Toyota-ITC and Vital Alert have validated the capability of VLF technologies for position location at intersections in urban environments and GPS denied areas.
The three groups significantly differed with regard to the SDANN index ( P = 0.022), VLF ( P = 0.043), LF ( P = 0.023), and LF/HF ( P = 0.001).
Frequency-domain measures were obtained by fast Fourier transformation and they included the absolute powers obtained by integrating the powers in the very low frequency (VLF) band of 0.0033-0.04 Hz, low frequency (LF) band of 0.04-0.15 Hz, high frequency (HF) band of 0.15-0.4 Hz, and the total power in all the 3 bands together.