- ECEF
- Electronic Commerce Executive Forum
Acronyms. 2013.
ECEF
Schlagen Sie auch in anderen Wörterbüchern nach:
ECEF — stands for Earth Centered, Earth Fixed, and is a Cartesian coordinate system used for GPS, and is sometimes known as a conventional terrestrial system [Alfred Leick, 2004, GPS Satellite Surveying , Wiley] . It represents positions as an X, Y, and … Wikipedia
ECEF — Electronic Commerce Executive Forum … Acronyms von A bis Z
ECEF — Earth Centered, Earth Fixed Contributor: MSFC … NASA Acronyms
Geodetic system — For other uses, see Geodetic. Geodesy Fundamentals … Wikipedia
Earth Centered Inertial — The Earth Centered Inertial (ECI) Frame is a non rotating version of the (ECEF) frame. The ECI frame is identical to the ECEF frame at some instant in time. The ECI frame is a convenient inertial frame for which Newton s second law is valid, and… … Wikipedia
Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… … Wikipedia
Reference ellipsoid — In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer figure of the Earth, or other planetary body.Because of their relative simplicity, reference ellipsoids are used as a preferred surface… … Wikipedia
Orthographic projection (cartography) — Orthographic projection (equatorial aspect) of eastern hemisphere 30W–150E An orthographic projection is a map projection of cartography. Like the stereographic projection and gnomonic projection, orthographic projection is a perspective (or… … Wikipedia
European Terrestrial Reference System 1989 — The European Terrestrial Reference System 1989 (ETRS89) is a ECEF (Earth Centered, Earth Fixed) geodetic Cartesian reference frame, in which the Eurasian Plate as a whole is static. The coordinates and maps in Europe based on ETRS89 are not… … Wikipedia
Polar motion — is the movement of Earth s rotation axis across its surface. This is measured with respect to a reference frame in which the solid Earth is fixed (a so called Earth centered, Earth fixed or ECEF reference frame). This variation is only a few… … Wikipedia
