Accuracy: Difference between revisions
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The degree of conformance between the estimated or measured parameter of a craft at a given time and its true parameter at that time. (Parameters in this context may be position coordinates, velocity, time, angle, etc.) | The degree of conformance between the estimated or measured parameter of a craft at a given time and its true parameter at that time. (Parameters in this context may be position coordinates, velocity, time, angle, etc.) | ||
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{{languages|Accuracy}} | {{languages|Accuracy}} | ||
[[Category: | [[Category:15.0 General Terms]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 2009 Edition]] | [[Category:IALA Dictionary 2009 Edition]] | ||
[[Category:IALA Dictionary 2023 Revision]] | [[Category:IALA Dictionary 2023 Revision]] | ||
Revision as of 08:03, 17 September 2026
The degree of conformance between the estimated or measured parameter of a craft at a given time and its true parameter at that time. (Parameters in this context may be position coordinates, velocity, time, angle, etc.)
– Absolute accuracy (Geodetic or Geographic accuracy). The accuracy of a position estimate with respect to the geographic or geodetic coordinates of the Earth.
– Geodetic or Geographic accuracy. See absolute accuracy.
– Predictable accuracy. The accuracy of the estimated position solution with respect to the charted solution.
– Relative accuracy. The accuracy with which a user can determine position relative to that of another user of the same navigation system at the same time.
– Repeatable accuracy. The accuracy with which a user can return to a position whose coordinates have been measured at a previous time using uncorrelated measurements from the same navigation system.
Source: Nick Ward, Vicechair, IALA e-Nav Committee, March 2009
