An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 3 Search : reference frame
Galilean reference frame
  چارچوب ِ بازبرد ِ گالیله‌ای   
cârcub-e bâzbord-e Gâlile-yi

Fr.: référentiel galiléen   

Same as → inertial reference frame.

→ Galilean; → reference; → frame.

inertial reference frame
  چارچوب ِ بازبرد ِ لختی‌ناک، ~ ~ لختی‌مند   
cârcub-e bâzbord-e laxtinâk, ~ ~ laxtimand

Fr.: référentiel galiléen   

A → reference frame or coordinate system in which there are no accelerations, only zero or uniform motion in a straight line. According to the special theory of relativity, it is impossible to distinguish between such frames by means of any internal measurement.

→ inertial; → reference; → frame.

reference frame
  چارچوب ِ بازبرد   
cârcub-e bâzbord

Fr.: système de référence   

A set of axes to which positions and motions in a system can be referred. Same as → frame of reference.

→ reference; → frame.