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  2. Geopositioning - Wikipedia

    en.wikipedia.org/wiki/Geopositioning

    In turn, positions can determine a meaningful location, such as a street address. Geoposition is sometimes referred to as geolocation, and the process of geopositioning may also be described as geo-localization. Specific instances include: animal geotracking, the process of inferring the location of animals over time;

  3. Point location - Wikipedia

    en.wikipedia.org/wiki/Point_location

    The point location problem is a fundamental topic of computational geometry. It finds applications in areas that deal with processing geometrical data: computer graphics , geographic information systems (GIS), motion planning , and computer aided design (CAD).

  4. Location test - Wikipedia

    en.wikipedia.org/wiki/Location_test

    The one-sample location test compares the location parameter of one sample to a given constant. An example of a one-sample location test would be a comparison of the location parameter for the blood pressure distribution of a population to a given reference value.

  5. Longitude - Wikipedia

    en.wikipedia.org/wiki/Longitude

    With one exception (magnetic declination), they all depend on a common principle, which is to determine the time for an event or measurement and to compare it with the time at a different location. Longitude, being up to 180° east or west of a prime meridian , is mathematically related to time differences up to 12 hours by a factor of 15.

  6. Indoor positioning system - Wikipedia

    en.wikipedia.org/wiki/Indoor_positioning_system

    A visual positioning system can determine the location of a camera-enabled mobile device by decoding location coordinates from visual markers. In such a system, markers are placed at specific locations throughout a venue, each marker encoding that location's coordinates: latitude, longitude and height off the floor.

  7. Location parameter - Wikipedia

    en.wikipedia.org/wiki/Location_parameter

    In statistics, a location parameter of a probability distribution is a scalar- or vector-valued parameter, which determines the "location" or shift of the distribution.In the literature of location parameter estimation, the probability distributions with such parameter are found to be formally defined in one of the following equivalent ways:

  8. Acoustic location - Wikipedia

    en.wikipedia.org/wiki/Acoustic_location

    Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the earth).

  9. Error analysis for the Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Error_analysis_for_the...

    The effects of the ionosphere generally change slowly, and can be averaged over time. Those for any particular geographical area can be easily calculated by comparing the GPS-measured position to a known surveyed location. This correction is also valid for other receivers in the same general location.