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azimuth and elevation

См. также в других словарях:

  • Azimuth — (Audio IPA|lang=US English|en us azimuth.ogg|ˈæzɪməθ) is a mathematical concept defined as the angle, usually measured in degrees (°), between a reference plane and a point. This concept is used in many practical applications including navigation …   Wikipedia

  • Solar azimuth angle — The solar azimuth angle is the azimuth angle of the sun. It is most often defined as the angle between the line from the observer to the sun projected on the ground and the line from the observer due south. A positive azimuth angle generally… …   Wikipedia

  • Target Acquisition and Designation System, Pilot Night Vision System — The Target Acquisition and Designation System, Pilot Night Vision System (TADS/PNVS) is the combined sensor and targeting unit fitted to the AH 64 Apache helicopter. It comprises two independent systems, described below: Target Acquisition and… …   Wikipedia

  • rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

  • Ebright Azimuth — Location map Delaware label=Ebright Azimuth mark=RedMountain.svg lat=39.835683 long= 75.522417 marksize=20 position=left width=300 float=right background= caption=Location of Ebright Azimuth in Delaware The Ebright Azimuth is the point with the… …   Wikipedia

  • altitude and azimuth — Two coordinates describing the position of an object above Earth in a coordinate system called the altazimuth, or horizon, system, and used in astronomy, gunnery, navigation, surveying, and other fields. Altitude in this sense is expressed as… …   Universalium

  • Clouds and the Earth's Radiant Energy System — Artist representation of CERES instruments scanning Earth in Rotating Azimuth Plane mode. Clouds and the Earth s Radiant Energy System (CERES) is on going[update] NASA climatological experiment from Earth …   Wikipedia

  • E-plane and H-plane — The E plane and H plane are reference planes for linearly polarized antennas.See e plane for light aircraft in the Single Seat Deregulated category. E Plane For a linearly polarized antenna, this is the plane containing the electric field vector… …   Wikipedia

  • Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign — Department of Civil and Environmental Engineering University of Illinois at Urbana Champaign Newmark Civil Engineering Laboratory …   Wikipedia

  • Vue panoramique à angle d'élévation constant — Plan Position Indicator Pour les articles homonymes, voir PPI. Image commentée du premier PPI Échos de sol de la région autour de Pem …   Wikipédia en Français

  • Solar elevation angle — The solar elevation angle is the elevation angle of the sun. That is, the angle between the directionof the sun and the (idealized) horizon. It can be calculated, to a good approximation, using thefollowing formula::, sin heta mathrm{s} = cos h… …   Wikipedia

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