reference datum
51Spatial reference system — Geodesy Fundamentals Geodesy · …
52IERS Terrestrial Reference System — Das ITRS ist das international vereinbarte, erdfeste, weltweite Bezugssystem von terrestrischen kartesischen Koordinaten, die den ITRF bilden. Die Abkürzung ITRS steht für IERS Terrestrial Reference System bzw. (vereinfacht) für International… …
53Irish grid reference system — The Irish grid reference system is a system of geographic grid references commonly used in Ireland (both Northern Ireland and the Republic of Ireland). The Irish grid overlaps the British grid.UsageIn general, neither Ireland nor Great Britain… …
54International Celestial Reference Frame — The International Celestial Reference Frame (ICRF) is a quasi inertial reference frame centered at the barycenter of the Solar System, defined by the measured positions of 212 extragalactic sources (mainly quasars). Although relativity implies… …
55International Terrestrial Reference Frame — Der International Terrestrial Reference Frame (ITRF) ist die jeweils gültige, zentimetergenaue Realisierung des terrestrischen Bezugssystems ITRS. Dieser globale Koordinatenrahmen für die Erde ist das Ergebnis zahlreicher internationaler… …
56Amsterdam Ordnance Datum — NAP Level in Amsterdam City Hall Normaal Amsterdams Peil (NAP) or Amsterdam Ordnance Datum is a vertical datum in use in large parts of Western Europe. Originally created for use in the Netherlands, it was adopted by Prussia in 1879 under the… …
57altitude datum — aukščio atskaita statusas T sritis Gynyba apibrėžtis Pasirinktas lygis, nuo kurio matuojamas vertikalus nuotolis. Aukščio matavimo atskaita yra žemės paviršius tiesiog po orlaiviu ar kitas sutartas lygis (barometriniam aukščiui – 29,92 colio… …
58fuselage datum — A reference line used in the design and construction of an aircraft from which basic dimensions can be measured and major components are located. Also called a fuselage reference line …
59fuselage reference line — The straight line used as a reference from which basic dimensions are laid out and major components are located. It is usually along the plane of symmetry and at a convenient height. See fuselage datum …
60niveau de référence — atskaitos lygmuo statusas T sritis fizika atitikmenys: angl. datum level vok. Bezugsniveau, n rus. исходный уровень, m; начальный уровень, m pranc. niveau de référence, m …
