angular measures

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Англо-русский словарь по авиации. 2013.

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  • Angular velocity — Do not confuse with angular frequency The unit for angular velocity is rad/s.In physics, the angular velocity is a vector quantity (more precisely, a pseudovector) which specifies the angular speed, and axis about which an object is rotating. The …   Wikipedia

  • Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… …   Wikipedia

  • Angular diameter — The angular diameter or apparent size of an object as seen from a given position is the “visual diameter” of the object measured as an angle. In the vision sciences it is called the visual angle. The visual diameter is the diameter of the… …   Wikipedia

  • angular velocity — Physics. the time rate of change of angular position of a rotating body, usually expressed in radians per second or radians per minute. [1810 20] * * *  time rate at which an object rotates, or revolves, about an axis, or at which the angular… …   Universalium

  • Angular diameter distance — The angular diameter distance is a distance measure used in astronomy. The angular diameter distance to an object is defined in terms of the object s actual size, x, and heta the angular size of the object as viewed from earth. d A= frac{x}{… …   Wikipedia

  • Angular size redshift relation — The angular size redshift relation describes the relation between the angular size observed on the sky of an object of given physical size, and the objects redshift from Earth (which is related to its distance, d , from Earth). In a Euclidean… …   Wikipedia

  • Distance measures (cosmology) — Physical cosmology Universe · Big Bang …   Wikipedia

  • n-sphere — 2 sphere wireframe as an orthogonal projection Just as a …   Wikipedia

  • Accurizing — is the process of improving the accuracy of a firearm or airgun.cite web |url=http://saami.org/Glossary/index.cfm |title=SAAMI glossary |accessdate=2007 08 30] For firearms, accuracy is defined as the ability to hit exactly what you re aiming at …   Wikipedia

  • coordinates — A system in which two magnitudes are used to define a position. Usually expressed in degrees/minutes/seconds of latitude and longitude. These may be interrelated linear or angular measures, by which the position of a point may be defined with… …   Aviation dictionary

  • Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms The Fourier transform is a mathematical operation that decomposes a function into its constituent… …   Wikipedia

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