- principal axis of inertia
- главная ось инерции
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
principal axis — i. The lateral, vertical, and longitudinal axes. ii. The axis of relative wind. iii. The principal inertial axis: that line passing through the center of gravity in a plane of symmetry about which a long, slender body tends to rotate when rolling … Aviation dictionary
principal axis — 1. Optics. a line passing through the center of the surface of a lens or spherical mirror and through the centers of curvature of all segments of the lens or mirror. 2. Physics. one of three mutually perpendicular axes of a body about which the… … Universalium
Moment of inertia — This article is about the moment of inertia of a rotating object, also termed the mass moment of inertia. For the moment of inertia dealing with the bending of a beam, also termed the area moment of inertia, see second moment of area. In… … Wikipedia
inertia coupling — A form of instability that manifests itself during maneuvers, especially in the pitching and yawing motions. It is particularly common during rolling at very rapid rates and high g rolling pullouts either at very low indicated air speeds or at… … Aviation dictionary
Principal component analysis — PCA of a multivariate Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the (0.878, 0.478) direction and of 1 in the orthogonal direction. The vectors shown are the eigenvectors of the covariance matrix scaled by… … Wikipedia
permanent axis — noun : the axis about which a free rigid body can rotate in equilibrium being in general the axis of greatest moment of inertia through the center of mass compare principal axis … Useful english dictionary
Center of inertia — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… … The Collaborative International Dictionary of English
главная ось инерции для данной точки — Любая из главных осей эллипсоида инерции для этой точки. Примечание. Одна из прямоугольных координатных осей, проходящих через данную точку, например ось х, будет для этой точки главной, если два центробежных момента инерции, содержащие… … Справочник технического переводчика
главная центральная ось инерции — Нрк центральная главная ось инерции Главная ось инерции для центра масс системы. [Сборник рекомендуемых терминов. Выпуск 102. Теоретическая механика. Академия наук СССР. Комитет научно технической терминологии. 1984 г.] Недопустимые,… … Справочник технического переводчика
Polhode — The details of a spinning body may impose restrictions on the motion of its angular velocity vector, ω. The curve produced by the angular velocity vector on the inertia ellipsoid, is known as the polhode, coined from Greek meaning path of the… … 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