quadrantal points

См. также в других словарях:

• quadrantal points — The directions northeast (045°), southeast (135°), northwest (225°), and southwest (315°). Also called intercardinal points …   Aviation dictionary

• quadrantal point — One of the four points of the compass which in moving from north correspond to the headings NE(45°), SE(135°), SW(225°), and NW(315°) …   Dictionary of automotive terms

• cardinal points — The four intersections of the horizon with the meridian and the prime vertical circle (or simply the prime vertical). The intersection with the meridian is designated north and south, and the intersection with the prime vertical is designated… …   Aviation dictionary

• compass points — Eight, 16, or 32 named directions, comprising cardinal, quadrantal, and 24 intermediate points …   Aviation dictionary

• swinging base — noun : a permanent circular turntable at an airplane factory or airport marked with the cardinal and quadrantal points of the compass for swinging an airplane to ascertain compass deviation …   Useful english dictionary

• Armillary sphere — An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of the celestial sphere. Description and use of the armillary sphere The exterior parts of this machine are a compages of brass rings, which represent …   Wikipedia

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• Classical Hamiltonian quaternions — For the history of quaternions see:history of quaternions For a more general treatment of quaternions see:quaternions William Rowan Hamilton invented quaternions, a mathematical entity in 1843. This article describes Hamilton s original treatment …   Wikipedia

• The vector of a quaternion — In the 19th century, the vector of a quaternion written Vq was a well defined mathematical entity in the classical quaternion notation system. This article is written using classical nomenclature. In this article the word vector means the… …   Wikipedia

• Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …   Deutsch Wikipedia