- high-frequency wave
- короткопериодная волна
English-Russian small dictionary of medicine. 2015.
English-Russian small dictionary of medicine. 2015.
High frequency — (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres). Frequencies immediately below HF are denoted Medium frequency… … 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
High frequency approximation — A high frequency approximation (or high energy approximation ) for scattering or other wave propagation problems, in physics or engineering, is an approximation whose accuracy increases with the size of features on the scatterer or medium… … Wikipedia
high-frequency — ˈ ̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷ adjective Etymology: high frequency 1. : occurring very frequently drills based on the repetition of high frequency words 2. : relating to high frequency: as a. : involving a radio wave of high frequency used especi … Useful english dictionary
High Frequency Active Auroral Research Program — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer … Deutsch Wikipedia
High Frequency Active Auroral Research Project — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer … Deutsch Wikipedia
Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
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
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
very-high-frequency — adjective : of or relating to very high frequency or to a radio wave having such a frequency … Useful english dictionary
high-frequency gravitational wave — noun gravitational radiation, in the megahertz to gigahertz region, which is proposed to have been produced by the Big Bang or by the collision of massive astronomical objects or artificially in the laboratory. Gravitational waves having… … Wiktionary