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There is a page named "Reference system" on Wikipedia

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  • frame of reference (or reference frame) is an abstract coordinate system whose origin, orientation, and scale are specified by a set of reference points―geometric...
    30 KB (3,440 words) - 06:14, 22 May 2024
  • Thumbnail for Spatial reference system
    A spatial reference system (SRS) or coordinate reference system (CRS) is a framework used to precisely measure locations on the surface of Earth as coordinates...
    15 KB (1,546 words) - 06:12, 22 May 2024
  • Thumbnail for Military Grid Reference System
    The Military Grid Reference System (MGRS) is the geocoordinate standard used by NATO militaries for locating points on Earth. The MGRS is derived from...
    15 KB (2,133 words) - 06:55, 13 February 2024
  • Thumbnail for Geodetic Reference System 1980
    The Geodetic Reference System 1980 (GRS80) consists of a global reference ellipsoid and a normal gravity model. The GRS80 gravity model has been followed...
    7 KB (1,084 words) - 01:04, 9 July 2024
  • An attitude and heading reference system (AHRS) consists of sensors on three axes that provide attitude information for aircraft, including roll, pitch...
    3 KB (327 words) - 08:13, 5 March 2024
  • Thumbnail for Hexaxial reference system
    The hexaxial reference system, better known as the Cabrera system, is a convention to present the extremity leads of the 12 lead electrocardiogram, that...
    3 KB (314 words) - 06:52, 19 March 2023
  • The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union...
    22 KB (2,360 words) - 18:19, 22 June 2024
  • Thumbnail for National Spatial Reference System
    The National Spatial Reference System (NSRS), managed by the National Geodetic Survey (NGS), is a coordinate system that includes latitude, longitude,...
    6 KB (555 words) - 18:29, 12 August 2024
  • Thumbnail for Projected coordinate system
    coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system...
    21 KB (2,803 words) - 22:28, 19 June 2024
  • Thumbnail for System Reference Document
    In the open gaming movement, a System Reference Document (SRD) is a reference for a role-playing game's mechanics licensed under a public copyright license...
    9 KB (768 words) - 19:13, 7 May 2024
  • allows an individual to use references for personal organization, whether or not anyone else understands the systems of reference used. However, scholars...
    12 KB (1,347 words) - 21:42, 14 August 2024
  • The SK-42 reference system also known as the Krasovsky 1940 ellipsoid, is a coordinate system established in the Soviet Union in 1942 as Systema koordinat...
    2 KB (180 words) - 23:39, 4 April 2023
  • Thumbnail for International Terrestrial Reference System and Frame
    The International Terrestrial Reference System (ITRS) describes procedures for creating reference frames suitable for use with measurements on or near...
    9 KB (777 words) - 16:49, 25 May 2024
  • Thumbnail for Global Area Reference System
    The Global Area Reference System (GARS) is a standardized geospatial reference system developed by the National Geospatial-Intelligence Agency (NGA) for...
    3 KB (470 words) - 12:54, 13 December 2022
  • Thumbnail for Geodetic datum
    datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global...
    31 KB (3,346 words) - 06:28, 11 August 2024
  • Thumbnail for Irish grid reference system
    The Irish grid reference system is a system of geographic grid references used for paper mapping in Ireland (both Northern Ireland and the Republic of...
    7 KB (753 words) - 17:04, 28 July 2024
  • Thumbnail for Inertial navigation system
    with respect to the inertial reference frame. By using the original orientation of the system in the inertial reference frame as the initial condition...
    47 KB (5,964 words) - 23:20, 29 July 2024
  • Thumbnail for Astronomical coordinate systems
    coordinate systems are used for specifying positions of celestial objects (satellites, planets, stars, galaxies, etc.) relative to a given reference frame...
    28 KB (3,978 words) - 17:27, 6 August 2024
  • Thumbnail for Geographic coordinate system
    the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others. Although latitude...
    22 KB (2,491 words) - 18:21, 12 August 2024
  • Thumbnail for OSI model
    The Open Systems Interconnection (OSI) model is a reference model from the International Organization for Standardization (ISO) that "provides a common...
    55 KB (5,649 words) - 20:50, 30 July 2024
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