point-by-point plotting

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• Point plotting — is an elementary mathematical skill required in analytic geometry. Invented by René Descartes and originally used to locate positions on military maps, this skill is now assumed of everyone who wants to locate grid 7A on any map.Using point… …   Wikipedia

• Directing point — A cut away drawing of a Coast Artillery battery, showing its two base and stations (upper left), the plotting room (with plotting board), and the directing point (DP) (between the two guns, at right). The directing point, on the surface of the… …   Wikipedia

• Automatic Radar Plotting Aid — A maritime radar with Automatic Radar Plotting Aid (ARPA) capability can create tracks using radar contacts. The system can calculate the tracked object s course, speed and closest point of approach (CPA), thereby knowing if there is a danger of… …   Wikipedia

• Mini-automatic radar plotting aid — This article is about the radar plotting aid. For the PMA aircraft parts trade association see Modification and Replacement Parts Association. Mini automatic radar plotting aid (or MARPA) is a radar feature for target tracking and collision… …   Wikipedia

• Mini Automatic Radar Plotting Aid — (or MARPA) is a radar feature for target tracking and collision avoidance. Targets must be manually selected, but are then tracked automatically, including range, bearing, target speed, target direction (course), CPA (closest point of approach),… …   Wikipedia

• Automatic Radar Plotting Aid — Pour les articles homonymes, voir ARPA. Photo d un système ARPA à bord d un navire. L ARPA (acronyme anglais signifiant Automatic Radar Plotting Aid, en français aide de pointage radar autom …   Wikipédia en Français

• Third-order intercept point — In telecommunications, a third order intercept point (IP3 or TOI) is a measure for weakly nonlinear systems and devices, for example receivers, linear amplifiers and mixers. It is based on the idea that the device nonlinearity can be modeled… …   Wikipedia

• Lambda point — The Lambda point is the temperature (approximately 2.17 K) below which normal fluid helium (helium I) transitions to superfluid helium II. More precisely, there is a lower lambda point at 2.172 K, 0.0497 atm, and an upper one at 1.76 K, 29.8 atm… …   Wikipedia

• control point — Aerial Photogrammetry. a point located on the ground by precise surveying that when identified on aerial photographs provides the control necessary for producing a photomap. [1925 30] * * * control point, 1. a point or feature used for purposes… …   Useful english dictionary

• Grace (plotting tool) — Infobox Software name = Grace caption = Grace, showing the Fourier transform dialogue developer = Grace Development Team latest release version = 5.1.22 latest release date = May 22, 2008 operating system = Cross platform genre = license = GPL… …   Wikipedia

• three-point problem — noun : the problem of locating the point of observation from the observed angles subtended by three known sides of a triangle either by mathematical calculation or by plotting with a station pointer …   Useful english dictionary