trilateration
Sign in to saveAlso known as multilateration
right|210px|thumb|Trilateration in three-dimensional geometry right|150px|thumb|Intersection point of three pseudo-ranges Trilateration is the use of distances (or "ranges") for determining the unknown position coordinates of a point of interest. When more than three distances are involved, it may also be called multilateration, for emphasis. The point of interest is often around Earth (geopositioning).
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- triangulation
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Encyclopedic overview
4 sectionsContents
- Terminology
- True-range multilateration
- Pseudo-range multilateration
- References
right|210px|thumb|Trilateration in three-dimensional geometry right|150px|thumb|Intersection point of three pseudo-ranges Trilateration is the use of distances (or "ranges") for determining the unknown position coordinates of a point of interest. When more than three distances are involved, it may also be called multilateration, for emphasis. The point of interest is often around Earth (geopositioning).
The distances or ranges might be ordinary Euclidean distances (slant ranges) or spherical distances (scaled central angles), as in true-range multilateration; or biased distances (pseudo-ranges), as in pseudo-range multilateration.
Excerpted from Wikipedia’s “trilateration” article, available under the CC BY-SA 4.0 licence.