- ultrahigh frequency (UHF band)
- Макаров: диапазон дециметровых волн
Универсальный англо-русский словарь. Академик.ру. 2011.
ultrahigh frequency (UHF band)
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ultrahigh frequency — Frequencies of electromagnetic radiation between 300 and 3000 MHz, or of wavelengths between 100 and 10 cm. These frequencies are mainly used by military for air to air and air to ground voice communications on a line of sight basis. In some… … Aviation 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 band designations — ▪ Table Frequency band designations frequency designation frequency range wavelength range very low frequencies (vlf) 3–30 kilohertz 100,000–10,000 m low frequencies (lf) 30–300 kilohertz 10,000–1,000 m medium frequencies (mf) 300–3,000 kilohertz … Universalium
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Marisat — satellites were the first maritime telecommunications satellites and were designed to provide dependable telecommunications for commercial shipping and the U.S Navy from stable geosynchronous orbital locations over the three major ocean regions.… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
ultrahighfrequency — ultrahigh frequency n. Abbr. UHF A band of radio frequencies from 300 to 3,000 megahertz. * * * … Universalium
telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia
interim standard microwave landing system — A system designed to provide approach information similar to the ILS (instrument landing system) for aircraft on a final approach to a runway. It provides both lateral and vertical guidance, which is displayed on a conventional course deviation… … Aviation dictionary
