cone-shaped beam

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• Cone beam reconstruction — For microtomography, X ray scanners typically use two methods for scanning: Fan beam reconstruction Cone beam reconstruction. Cone beam set up Cone beam reconstruction uses a 2 dimensional approach for obtaining projection data. Instead of… …   Wikipedia

• Cone of Silence — For the British aviation drama film, see Cone of Silence (1960 film). The Cone of Silence is one of many recurring joke devices from Get Smart, an American comedy television series of the 1960s about an inept spy. Invented by Professor Cone , the …   Wikipedia

• Cone — This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article …   Wikipedia

• beam — beamless, adj. beamlike, adj. /beem/, n. 1. any of various relatively long pieces of metal, wood, stone, etc., manufactured or shaped esp. for use as rigid members or parts of structures or machines. 2. Building Trades. a horizontal bearing… …   Universalium

• beam — /bim / (say beem) noun 1. a thick, long piece of timber, shaped for structural use. 2. a similar piece of metal, stone, etc. 3. Building Trades one of the main horizontal supporting members in a building or the like, as for supporting a roof or… …  

• Beam tracing — is a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with beams. Beams are shaped like unbounded pyramids, with (possibly complex) polygonal cross sections. Beam tracing was first proposed by Paul Heckbert and …   Wikipedia

• Cone — A type of specialized light sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are the retinal photoreceptors that provide side vision and the ability to see objects… …   Medical dictionary

• pencil beam — noun : a sharp focus radar beam nearly round in its axis used to pick up an intruder located by a search radar beam and give it better definition on the radar screen * * * a cone shaped radar beam. [1945 50] * * * pencil beam, a narrow, conical… …   Useful english dictionary

• pencil beam — a cone shaped radar beam. [1945 50] * * * …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …   Wikipedia