beam width at half-power points

  • 1beam width — The full angular interval in the horizontal plane between the points at which the power radiated from the antenna has fallen to half its maximum value. In practice, the effective beam width may be less than this value and may be altered by use of …

    Aviation dictionary

  • 2Beam diameter — The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Since beams typically do not have sharp edges, the diameter can be obtained in many… …

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  • 3Beam parameter product — In laser science, the beam parameter product (BPP) is the product of a laser beam s divergence angle (half angle) and the radius of the beam at its narrowest point (the beam waist).cite web|url=http://www.rp photonics.com/beam parameter… …

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  • 4Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …

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  • 5Weather radar — in Norman, Oklahoma with rainshaft …

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  • 6ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …

    Universalium

  • 7Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …

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  • 8Cyclops (comics) — Cyclops Cyclops Art by John Cassaday. Publication information Publisher Marvel Comics …

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  • 9Monorail — For other meanings, see Monorail (disambiguation). Moscow Monorail in Russia A monorail is a rail based transportation system based on a single rail, which acts as its sole support and its guideway. The term is also used variously to describe the …

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  • 10Cyber Troopers Virtual-On Oratorio Tangram — Developer(s) Sega AM3 Sega AM2 (XBLA port) Publisher(s) …

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