- ultra-high frequencies
- ультравысокие частоты, УВЧ
Большой англо-русский и русско-английский словарь. 2001.
ultra-high frequencies
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Ultra high frequency — (UHF) designates a range (band) of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimeter band or decimeter wave as the wavelengths range from ten to one decimeters. Radio waves with frequencies… … Wikipedia
ultra high frequency — range of radio frequencies between 300 and 3000 megahertz … English contemporary dictionary
ultra high frequency — (UHF) Radio frequencies in the range of 300 to 3,000 megacycles … IT glossary of terms, acronyms and abbreviations
Ultra-wideband — (aka UWB, ultra wide band, ultraband, etc.) is a radio technology that can be used at very low energy levels for short range high bandwidth communications by using a large portion of the radio spectrum. UWB has traditional applications in non… … Wikipedia
High-speed multimedia radio — (HSMM), colloquially referred to as the hinternet , is the implementation of wireless data networks over amateur radio frequencies using commercial off the shelf (COTS) hardware such as 802.11 access points and D Star equipment. Licensed amateur… … Wikipedia
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
North American broadcast television frequencies — The North American broadcast television frequencies are on designated television channels numbered 2 through 69, approximately between 54 and 806 MHz. Traditionally, the frequencies are divided into two sections, the very high frequency (VHF)… … Wikipedia
Very high frequency — (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency (UHF). The frequency allocation is done by ITU. Common … Wikipedia
North American cable television frequencies — In North American cable TV networks, the radio frequencies used to carry signals to the customer are allocated to standardarized channel numbers listed in the CEA standard 542. Cable channel frequencies are generally different from off air… … Wikipedia
Cellular frequencies — All cellular phone networks worldwide utilize a portion of the radio frequency spectrum designated as Ultra High Frequency, or UHF , for the transmission and reception of their signals. The UHF band is also shared with Television, Wi Fi and… … Wikipedia
Super high frequency — (or SHF) refers to radio frequencies (RF) in the range of 3 GHz and 30 GHz. Also known as the centimeter band or centimeter wave as the wavelengths range from ten to one centimeters.DescriptionThe International Telecommunication Union (ITU), an… … Wikipedia
