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1 frequency
частота || частотныйemergency frequency (121,5 MHz) — аварийная частота (радио)связи (121,5 МГц)
extremely high frequency (30 000 to 300 000 MHz) — крайне высокая частота радиосвязи (от 30 000 до 300 000 МГц)
to transmit on frequency of... — вести передачу [связь] на частоте...
См. также в других словарях:
High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project … Wikipedia
High frequency limit — The high frequency limit of hearing is the upper extent to which a particular animal can perceive sound. Perhaps the most commonly known aspect of the psychoacoustic model is that humans cannot hear frequencies above and below certain thresholds; … Wikipedia
Extremely High Frequency — Extrêmement haute fréquence On appelle extrêmement haute fréquence (EHF), extremely high frequency en anglais, la bande de radiofréquences qui s étend de 30 à 300 GHz (longueur d onde de 1 cm à 1 mm). Les EHF font partie des micro ondes … Wikipédia en Français
Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) … Wikipedia
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
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
Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Low frequency — Basse fréquence Pour les articles homonymes, voir BF et LF. La bande radioélectrique des basses fréquences ou LF (low frequency) est la partie du spectre radioélectrique de fréquence comprise entre 30 kHz et 300 kHz (longueur d onde de… … Wikipédia en Français
Alexanderson alternator — An Alexanderson alternator is a rotating machine invented by Ernst Alexanderson for the generation of high frequency alternating current up to 100 kHz, for the purpose of radio communication. It is on the list of IEEE Milestones as a key… … Wikipedia
AMAX — is a United States certification program developed by the Electronic Industries Association (EIA) and the National Association of Broadcasters (NAB) in 1993. This quality control program addressed both consumer receiver developments and air… … Wikipedia