low frequency


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Related to low frequency: extremely low frequency, very low frequency

low frequency

n. Abbr. LF
A radio frequency in the range from 30 to 300 kilohertz.

low frequency

n
1. (Telecommunications) a radio-frequency band or a frequency lying between 300 and 30 kilohertz. : low-frequency
2. (Telecommunications) of or relating to such bands or frequencies
Abbreviation: LF

low′ fre′quency


n.
a radio frequency between 30 and 300 kilohertz. Abbr.: LF
[1895–1900]
low′-fre′quen•cy, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.low frequency - 30 to 300 kilohertz
radio frequency - an electromagnetic wave frequency between audio and infrared
electromagnetic spectrum - the entire frequency range of electromagnetic waves
2.low frequency - a pitch that is perceived as below other pitcheslow frequency - a pitch that is perceived as below other pitches
pitch - the property of sound that varies with variation in the frequency of vibration
deepness - a low pitch that is loud and voluminous
References in periodicals archive ?
ISLAMABAD -- A new study suggests that smoking affects the ability to hear both high and low frequency sounds.
The geophysics textbook reviews recent advances in near-term earthquake prediction that detect electromagnetic activity emanating from a region, and describe radio techniques for observing direct current geoelectric signals, ultra-low frequency electromagnetic emissions, extremely low frequency waves, and very low frequency anomalies.
That's because the level of low frequency noise the scientists used in their tests was significantly higher than anything that anyone living near a wind farm could possibly experience.
Low frequency components in our sound, whose wavelengths are large in comparison to the mouth and head diameter, are not easily baffled (redirected) from a normal spherical pattern around the head (Figure 1).
The study was conducted to investigate the effect of low frequency noise on histomorphology of periodontal ligament of mouse.
Low frequency sound (LFS) in the range of 10-20 Hz and 100-250 Hz includes a field of audibility (Table 1) (Berglund et al.
In the cross-sectional study of 20 patients, investigators conducted anatomic and functional magnetic resonance imaging in 10 patients with a low frequency of migraine attacks (mean age 40 years) and 1.
Using boron's sound absorption traits and impact on low-frequency transmission, Browning and his colleagues were able to predict the soundscape of ancient oceans to conclude that 300 million years ago, during the Paleozoic, the low frequency sound transmission in the ocean was similar to conditions today.
We aimed at studying low frequency vibration to enhanced oil production which relies on the utilization of surface-based vibro-energy sources.
Since the 1990's high-frequency electronic ballast specifications and replacements primarily based on energy efficiency have essentially eliminated low frequency flicker from most workplaces.
Used by Disney, IMAX, Universal Studios, The Kennedy Space Center, dozens of Grammy Award-winning musicians and thousands of home theater owners worldwide, ButtKicker brand low frequency audio transducers provide high quality low frequency audio and realistic special effects, without loud volume, adding a powerful and exciting effect to movies, music and games.
For further energy efficiency in industrial applications which are using both low frequency switches and high switching frequency switches such as solar inverters, this IGBT can be combined with the company's FCH47N60F SuperFET FRFET MOSFET that offers high operating frequency of up to 250kHz and low on-resistance ([R.

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