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reference ground plane

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См. также в других словарях:

  • Ground plane — In electrical engineering, a ground plane is an electrically conductive surface. Radio antenna theory In telecommunication, a ground plane structure or relationship exists between the antenna and another object, where the only structure of the… …   Wikipedia

  • Ground (electricity) — In electrical engineering, ground or earth may be the reference point in an electrical circuit from which other voltages are measured, or a common return path for electric current, or a direct physical connection to the Earth. A typical earthing… …   Wikipedia

  • Ground loop (electricity) — In an electrical system, a ground loop usually refers to a current, generally unwanted, in a conductor connecting two points that are supposed to be at the same potential, often ground, but are actually at different potentials. Ground loops… …   Wikipedia

  • Ground glass — is glass whose surface has been ground to produce a flat but rough (matte) finish. A sheet of ground glass is used for the manual focusing of both still and motion picture cameras.Some cameras have no separate viewfinder, but instead use a piece… …   Wikipedia

  • Plane of immanence — is a founding concept in the metaphysics or ontology of French philosopher Gilles Deleuze. Immanence, meaning existing or remaining within generally offers a relative opposition to transcendence, a divine or empirical beyond (constituting the… …   Wikipedia

  • reference frame — Physics. See frame of reference (def. 2). [1920 25] * * * or frame of reference Coordinate system that allows description of time and position of points relative to a body. The axes, or lines, emanate from a position called the origin. As a point …   Universalium

  • Ground track — A ground track or ground trace is the projection of a satellite s orbit onto the surface of the Earth (or whatever body the satellite is orbiting). It is an imaginary path along the Earth s surface which traces the movement of an imaginary line… …   Wikipedia

  • plane — I. /pleɪn / (say playn) noun 1. a flat or level surface. 2. Mathematics a surface such that the straight line joining any two distinct points in it lies entirely within it. 3. a level of dignity, character, existence, development, or the like: a… …  

  • Horizontal plane — In astronomy, geography, geometry and related sciences and contexts, a plane is said to be horizontal at a given point if it is locally perpendicular to the gradient of the gravity field, i.e., with the direction of the gravitational force (per… …   Wikipedia

  • Snakes on a Plane — For the first single from Cobra Starship, see Snakes on a Plane (Bring It). Snakes on a Plane …   Wikipedia

  • Above ground level — In aviation and atmospheric sciences, an altitude is said to be above ground level (AGL) when it is measured with respect to the underlying ground surface. This is as opposed to above mean sea level (AMSL), or in broadcast engineering, height… …   Wikipedia

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