ground reference plane
1Ground 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… …
2Ground 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… …
3Plane 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… …
4Ground (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… …
5Ground 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… …
6reference 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 …
7Ground 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… …
8plane — 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… …
9Horizontal 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… …
10Snakes on a Plane — For the first single from Cobra Starship, see Snakes on a Plane (Bring It). Snakes on a Plane …
