- low frequency, medium frequency
- Engineering: LF/MF
Универсальный русско-английский словарь. Академик.ру. 2011.
low frequency, medium 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 — noun Date: circa 1898 a radio frequency between medium frequency and very low frequency see radio frequency table … New Collegiate Dictionary
low frequency — Frequencies lying between 30 and 300 kHz. These, along with medium frequencies, are used mainly for nondirectional beacons (NDB). The aeronautical allocation for NDBs covers part of both bands from 200 to 420 kHz … Aviation dictionary
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
Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
frequency — n. number of repetitions 1) alarming; great, high; low frequency 2) with frequency (with alarming frequency) number of periodic waves per unit of time (physics) 3) high; low; medium frequency 4) a radio frequency 5) on a frequency * * * [… … Combinatory dictionary
frequency — Synonyms and related words: AF, CPS, EHF, HF, Hz, MF, RF, SHF, UHF, VHF, VLF, amplitude, antinode, audio frequency, carrier frequency, crest, cycles, de Broglie wave, diffraction, electromagnetic radiation, electromagnetic wave, extremely high… … Moby Thesaurus
frequency spectrum designation — (VLF) very low frequency below 30 KC/s (0.03 MC/s). (LF) low frequency 30 to 300 KC/s (0.03 MC/s). (MF) medium frequency 300 to 3000 KC/s (0.03 to 3 MC/s). (HF) high frequency 3000 to 30,000 KC/s (3 to 30 MC/s). (VHF) very high frequency 30 to… … IT glossary of terms, acronyms and abbreviations
medium frequency — noun Date: 1920 a radio frequency between high frequency and low frequency see radio frequency table … New Collegiate Dictionary
medium low — умеренно низкий low frequency радио, низкая частота low input level низкий уровень ввода low state состояние с низким уровнем low concentration низкая концентрация low grade cattle скот низких кондиций … English-Russian travelling dictionary
Medium wave — Main article: Medium frequency Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM broadcasting. For Europe the MW band ranges from 526.5 kHz to 1606.5 kHz[1] and in North America an extended MW… … Wikipedia
