- high and low frequency
- Техника: высокая и низкая частота
Универсальный англо-русский словарь. Академик.ру. 2011.
high and low frequency
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Low frequency — or LF refers to Radio Frequencies (RF) in the range of 30 kHz ndash;300 kHz. In Europe, and parts of Northern Africa and of Asia, part of the LF spectrum is used for AM broadcast service. In the western hemisphere, its main use is for aircraft… … Wikipedia
Low-frequency effect — Low Frequency Effects (LFE) is the name of an audio track specifically intended for deep, low pitched sounds ranging from 3 200 Hz. This track is normally sent to a speaker that is specially designed for low pitched sounds called the subwoofer or … Wikipedia
High-energy radio-frequency weapons — (HERF) or High Power Radio Frequency weapons (HPRF) are weapons that use high intensity radio waves to disrupt electronics. They are a type of directed energy weapon. They operate similarly to electromagnetic pulse (EMP) devices, by inducing… … Wikipedia
Low-frequency oscillation — The term low frequency oscillation (LFO) is an audio signal usually below 20 Hz which creates a pulsating rhythm rather than an audible tone. LFO predominantly refers to an audio technique specifically used in the production of electronic music.… … Wikipedia
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
high — ► ADJECTIVE 1) of great vertical extent. 2) of a specified height. 3) far above ground or sea level. 4) extending above the normal level. 5) great in amount, value, size, or intensity. 6) (of a period or movement) at its peak. 7) great in r … English terms dictionary
Survivable Low Frequency Communications System — The Survivable Low Frequency Communications System is a communications system designed to be able to operate, albeit at low data transfer rates, during and after a nuclear attack. [cite web url = http://www.globalsecurity.org/wmd/systems/slfcs.htm… … Wikipedia
high — adj., n., & adv. adj. 1 a of great vertical extent (a high building). b (predic.; often in comb.) of a specified height (one inch high; water was waist high). 2 a far above ground or sea level etc. (a high altitude). b inland, esp. when raised… … Useful english dictionary
high — 1. adjective 1) a high mountain Syn: tall, lofty, towering, soaring, elevated, giant, big; multistory, high rise Ant: short, low 2) a high position in the government … Thesaurus of popular words
high — adjective 1》 of great vertical extent. ↘of a specified height. ↘far above ground or sea level. ↘extending above the normal level. ↘(of latitude) near the North or South Pole. 2》 great in amount, value, size, or intensity. ↘(of … English new terms dictionary
High fidelity — or hi fi reproduction is a term used by home stereo listeners and home audio enthusiasts (audiophiles) to refer to high quality reproduction of sound or images that are very faithful to the original master recording. High fidelity equipment has… … Wikipedia
