apparent drift

См. также в других словарях:

• apparent drift — An error in the directional gyro resulting from the effect of the earth’s rotation and longitudinal position. At the equator, the rotation of the earth causes no movement of the observer about the directional gyro vertical axis, and there is thus …   Aviation dictionary

• drift — i. The lateral divergence from the prescribed flight path of an aircraft resulting primarily from the effects of a cross wind. ii. A slow movement in one direction of an instrument pointer or other marker. iii. A slow change in frequency of a… …   Aviation dictionary

• apparent precession — The same as apparent drift …   Aviation dictionary

• apparent wander — The same as apparent drift …   Aviation dictionary

• gyro drift — The movement of a gyro axis in the horizontal plane caused by real or apparent drift. Also called gyro wander or precession. See gyro wander …   Aviation dictionary

• Plot drift — is a phenomenon in storytelling in which the plot of the story deviates from its apparent initial direction. The phenomenon can affect written works, although it is often more noticeable in performed media such as television shows or movies. Plot …   Wikipedia

• continental drift — Geol. the lateral movement of continents resulting from the motion of crustal plates. Cf. plate tectonics. [1925 30] * * * Large scale movements of continents over the course of geologic time. The first complete theory of continental drift was… …   Universalium

• Star drift — (Astron.) Similar and probably related motion of the stars of an asterism, as distinguished from apparent change of place due to solar motion. ##?? = star streaming? [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• Mimetic drift — describes the flow of ideas (memes) across a social group. A typical usage can be seen in the edition of The Harrow Technology Report dated 22 December 2003.[1] The phrase was used as the title of a short story by science fiction author Glenn… …   Wikipedia

• Heading indicator — A heading indicator in a small aircraft. The heading indicator (also called an HI) is a flight instrument used in an aircraft to inform the pilot of the aircraft s heading. It is sometimes referred to by its older names, the directional gyro or… …   Wikipedia

• Pole star — For other uses, see Polestar (disambiguation). North Star redirects here. For other uses, see North Star (disambiguation). A French navisphere : a type of celestial globe formerly used for navigation at sea The term Pole Star usually refers to… …   Wikipedia