large aperture

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• Advanced Technology Large-Aperture Space Telescope — The Advanced Technology Large Aperture Space (ATLAS) Telescope [ What Will Astronomy Be Like in 35 Years? Astronomy magazine, August, 2008] is a proposed 8 to 16 meter (320 to 640 inch) optical space telescope that if approved, built, and… …   Wikipedia

• Large Synoptic Survey Telescope — LSST redirects here. For the Lincolnshire School of Science and Technology, see The Priory LSST. Infobox Telescope bgcolour= name=Large Synoptic Survey Telescope caption= organization=LSST Corporation location=El Peñón, Chile… …   Wikipedia

• aperture synthesis — /ˌæpətʃə ˈsɪnθəsəs/ (say .apuhchuh sinthuhsuhs) noun the use of two or more aerials in a radio telescope to synthesise a large aperture …  

• Aperture synthesis — or synthesis imaging is a type of interferometry that mixes signals from a collection of telescopes to produce images having the same angular resolution as an instrument the size of the entire collection. At each separation and orientation, the… …   Wikipedia

• Aperture masking interferometry — is a form of speckle interferometry, allowing diffraction limited imaging from ground based telescopes. This technique allows ground based telescopes to reach the maximum possible resolution, allowing ground based telescopes with large diameters… …   Wikipedia

• Large format lens — Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras.Photographic optics generally project a… …   Wikipedia

• Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …   Wikipedia

• Large Binocular Telescope — Infobox Telescope bgcolour = name = Large Binocular Telescope caption = View of LBT. Taken in November 2006 organization = large consortium location = Mount Graham International Observatory, Arizona, USA coords = coord… …   Wikipedia

• Aperture-to-medium coupling loss — In telecommunication, aperture to medium coupling loss is the difference between the theoretical gain of a very large antenna, such as the antennas in beyond the horizon microwave links, and the gain that can be realized in practice. Note 1:… …   Wikipedia

• aperture panel — A large side panel of a vehicle making up the rear fender, door frame, and side window frame. Also see side aperture panel sunroof aperture panel …   Dictionary of automotive terms

• Large saphenous vein — The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the surface). The large saphenous vein goes from the foot all the way up to the saphenous opening, an oval aperture in the broad fascia of the… …   Medical dictionary