- wave-train frequency
- Телекоммуникации: групповая частота
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
wave number — the number of waves in one centimeter of light in a given wavelength; the reciprocal of the wavelength. [1900 05] * * * ▪ physics a unit of frequency in atomic, molecular, and nuclear spectroscopy equal to the true frequency divided by the… … Universalium
wave — waveless, adj. wavelessly, adv. wavingly, adv. wavelike, adj. /wayv/, n., v., waved, waving. n. 1. a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell. 2. any surging or progressing movement … Universalium
Wave — /wayv/, n. a member of the Waves. Also, WAVE. [1942; see WAVES] * * * I In oceanography, a ridge or swell on the surface of a body of water, normally having a forward motion distinct from the motions of the particles that compose it. Ocean waves… … Universalium
wave — 01. The [waves] crashed against the rocks. 02. He [waved] his hand good bye as the train left the station. 03. The policeman [waved] them on when they slowed to see what had happened. 04. People were jumping up and down, and [waving] flags as the … Grammatical examples in English
Millimeter wave scanner — Active millimeter wave technology Active Millimeter Wave Unit A millimeter wave scanner is a whole–body imaging device used for detecting ob … Wikipedia
Monochromatic electromagnetic plane wave — In general relativity, the monochromatic electromagnetic plane wave spacetime is the analog of the monochromatic plane waves known from Maxwell s theory. The precise definition of the solution is a bit complicated, but very instructive. Any exact … Wikipedia
standing wave — Physics. a wave in a medium in which each point on the axis of the wave has an associated constant amplitude ranging from zero at the nodes to a maximum at the antinodes. Also called stationary wave. [1905 10] * * * ▪ physics also called… … Universalium
Ocean surface wave — Ocean surface waves are surface waves that occur on the free surface of the ocean. They usually result from wind, and are also referred to as wind waves. Some waves can travel thousands of miles before reaching land. They range in size from small … 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
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