first estimate-second estimate method

[¦fərst ‚es·tə·mət ′sek·ənd ‚es·tə·mət ‚meth·əd] (navigation) The method of determining time of meridian transit (especially local apparent noon) for a moving craft; the time of transit is computed for an estimated longitude of the craft, and the longitude estimate is then revised to agree with the time determined by the first estimate, and a second computation is made; the process is repeated as many times as necessary to obtain an answer of the desired precision.

单词	first estimate-second estimate method
释义	first estimate-second estimate method first estimate-second estimate method [¦fərst ‚es·tə·mət ′sek·ənd ‚es·tə·mət ‚meth·əd] (navigation) The method of determining time of meridian transit (especially local apparent noon) for a moving craft; the time of transit is computed for an estimated longitude of the craft, and the longitude estimate is then revised to agree with the time determined by the first estimate, and a second computation is made; the process is repeated as many times as necessary to obtain an answer of the desired precision.
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