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precession correction

См. также в других словарях:

  • Precession (disambiguation) — Precession refers to a change in the direction of the axis of a rotating object.Precession may specifically mean:*Precession (astronomy) mdash; the precession of the Earth s axis of rotation (also known as the precession of the equinoxes ), or… …   Wikipedia

  • Precession — For other uses, see Precession (disambiguation). Precession of a gyroscope Precession is a change in the orientation of the rotation axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second… …   Wikipedia

  • Thomas precession — In physics the Thomas precession, named after Llewellyn Thomas, is a special relativistic correction to the precession of a gyroscope in a rotating non inertial frame. It can be understood as a consequence of the fact that the space of velocities …   Wikipedia

  • Relativistic Precession — The special and general theories of relativity give three types of corrections to the Newtonian precession, of a gyroscope near a large mass such as the earth. They are: * Thomas precession a special relativistic correction accounting for the… …   Wikipedia

  • Lense-Thirring precession — is a general relativistic correction to the precession of a gyroscope near a large rotating mass such as the Earth. Before we can calculate this we want to find the Magnetic Field. The Magnetic Field in the equatorial plane of a rotating… …   Wikipedia

  • De Sitter precession — is a general relativistic correction to the precession of a gyroscope near a large mass such as the Earth, [cite journal | last = de Sitter | first = W | year = 1913 | title = Unknown | journal = Phokatische Zeitschrift | volume = 14 | pages = pp …   Wikipedia

  • z correction — In air navigation, the correction made for errors caused by a directional gyro precession or wander and Coriolis acceleration. The latter correction is applied by moving a celestial fix or position at right angles to the track …   Aviation dictionary

  • earth’s rate correction — A command rate applied to a gyro to compensate for the apparent precession of the gyro caused by the rotation of the earth …   Aviation dictionary

  • calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any …   Universalium

  • ASTROMÉTRIE ET ASTRONOMIE FONDAMENTALE — L’astrométrie est la partie de l’astronomie qui se propose de déterminer les positions des astres dans le ciel afin de pouvoir interpréter leurs variations dans le temps. Elle est donc la base observationnelle de l’étude dynamique des corps du… …   Encyclopédie Universelle

  • Imagerie par résonance magnétique — Pour les articles homonymes, voir IRM et MRI. L imagerie par résonance magnétique (IRM) est une technique d imagerie médicale permettant d obtenir des vues 2D ou 3D de l intérieur du corps de façon non invasive avec une résolution relativement… …   Wikipédia en Français

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