clear aperture

См. также в других словарях:

• Very small aperture terminal — A Very Small Aperture Terminal (VSAT), is a two way satellite ground station with a dish antenna that is smaller than 3 meters (most VSAT antennas range from 75 cm to 1.2 m). VSAT data rates typically range from narrowband up to 4 Mbit/s. VSATs… …   Wikipedia

• A clear breach — Breach Breach (br[=e]ch), n. [OE. breke, breche, AS. brice, gebrice, gebrece (in comp.), fr. brecan to break; akin to Dan. br[ae]k, MHG. breche, gap, breach. See {Break}, and cf. {Brake} (the instrument), {Brack} a break] . 1. The act of breaking …   The Collaborative International Dictionary of English

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• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

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