- low-frequency spectrum
- НЧ-спектр
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
low-frequency spectrum
Смотреть что такое "low-frequency spectrum" в других словарях:
low-frequency spectrum — žemadažnis spektras statusas T sritis fizika atitikmenys: angl. low frequency spectrum vok. Niederfrequenzspektrum, n rus. низкочастотный спектр, m pranc. spectre basse fréquence, m … Fizikos terminų žodynas
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
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
low frequency — noun 1. 30 to 300 kilohertz (Freq. 2) • Syn: ↑LF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum 2. a pitch that is perceived as below other pitches … Useful english 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
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
extremely low frequency — noun below 3 kilohertz • Syn: ↑ELF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum * * * Radio. any frequency between 30 and 300 hertz. Abbr.: ELF, elf [ … Useful english dictionary
extremely low frequency — noun Date: 1966 a radio frequency in the lowest range of the radio spectrum see radio frequency table … New Collegiate Dictionary
very low frequency — noun 3 to 30 kilohertz • Syn: ↑VLF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum … Useful english dictionary
Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … Wikipedia
Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… … Wikipedia
