azimuth

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azimuth

(ăz`əməth), in astronomy, one coordinate in the altazimuth coordinate systemaltazimuth coordinate system
or horizon coordinate system,
astronomical coordinate system in which the position of a body on the celestial sphere is described relative to an observer's celestial horizon and zenith.
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. It is the angular distance of a body measured westward along the celestial horizon from the observer's south point.

azimuth

(az -ă-mŭth) See horizontal coordinate system.

Azimuth

(religion, spiritualism, and occult)

One can locate a specific celestial object in several ways, most of which involve specifying two coordinates. The azimuth is one of the coordinates of such a system. Although the notion of azimuth is basically simple, it is not simple to explain. Imagine that a group of people are looking at a star. From where they are standing, they can measure the angle between the horizon and the star. This gives them one coordinate in terms of angular distance (called the altitude, for obvious reasons). Then imagine a geometric plane that, like some kind of gigantic wall, cuts through Earth, intersecting the north and south poles, the place where they are standing, and the point directly over their heads (the zenith). They then measure another angle with their surveying instrument, this time between the imaginary wall and the star. This angular distance gives them the azimuth.

Sources:

Filbey, John, and Peter Filbey. The Astrologer’s Companion. Wellingborough, Northamptonshire, UK: Aquarian Press, 1986.
Gettings, Fred. Dictionary of Astrology. London: Routledge & Kegan Paul, 1985.

azimuth

[′az·ə·məth]
(astronomy)
Horizontal direction of a celestial point from a terrestrial point, expressed as the angular distance from a reference direction, usually measured from 0° at the reference direction clockwise through 360°.
(engineering)
In directional drilling, the direction of the face of the deviation tool with respect to magnetic north.
(geodesy)
Horizontal direction on the earth's surface.

azimuth

azimuth
In plane surveying, a horizontal angle measured clockwise from north meridian to the direction of an object or fixed point.

azimuth

azimuthclick for a larger image
azimuth
azimuthclick for a larger image
i. A direction expressed as a horizontal angle, usually in degrees, measured clock-wise from a reference datum or direction, usually north. The azimuth will be a true zenith, grid azimuth, magnetic azimuth, or relative azimuth, depending upon which reference datum is used.
ii. The arc of the observer's rational horizon or the angle at his zenith contained between the observer's celestial meridian and the vertical circle through that body. It is the distance, measured in degrees, along the horizon westward from the south point of the horizon to the place where the vertical circle through an object intersects the horizon.
iii. As it pertains to aerial photography, the azimuth of a photograph is the clock-wise horizontal angle measured about the ground nadir point from the ground survey north meridian to the principal plane of the photograph. Also called azimuth of the principal plane.

azimuth

Astronomy navigation the angular distance usually measured clockwise from the north point of the horizon to the intersection with the horizon of the vertical circle passing through a celestial body

azimuth

The trajectory of an angle measured in degrees going clockwise from a base point. A disk azimuth alignment test checks for the correct positioning of the read/write head to the track.
References in periodicals archive ?
Electromagnetic radiation measurement points at 50 m distance: meadow, azimuth 0[degrees]; meadow, azimuth 30[degrees]; meadow, azimuth 60[degrees]; meadow, azimuth 90[degrees]; beside the building, azimuth 120[degrees]; under the trees, azimuth 150[degrees]; road, azimuth 180[degrees]; meadow, azimuth 210[degrees]; meadow, azimuth 240[degrees]; meadow, azimuth 270[degrees]; road, azimuth 300[degrees]; meadow, azimuth 330[degrees].
Each leg portrays the magnetic azimuth (not the grid azimuth), the distance, and the estimated consumption of time.
In addition to running the packaged scripts, customers also have the ability to use the Anite and Azimuth powerful user interfaces to create their own performance test scenarios to meet the growing needs of LTE performance assessment, particularly where LTE channel emulation is required.
Known as the Azimuth Channel Emulator (ACE(TM)), this device emulates the six channel models created by the IEEE working group that describe various home, office and public access environments.
The Azimuth ACE is the only channel emulator designed for MIMO test and is proof of our commitment to deliver the critical test solutions that make 4G a reality," added Sudeep Gupta, vice president business development for Azimuth Systems.
In addition, Azimuth will be developing enhanced functionality for the powerful testMAC emulation engine to allow its softClients to emulate SpectraLink's NetLink Wireless Telephones and the SpectraLink Voice Priority (SVP) quality of service (QoS) mechanism.
The Azimuth FMC Performance Test Suite includes a comprehensive suite of automated test scripts that streamline the testing of VoWiFi and fixed-mobile convergence products to validate the functionality, performance and seamless mobility of devices and networks.
Azimuth([R]) and RadioProof([R]) are registered trademarks of Azimuth Systems and ACE[TM], DIRECTOR[TM], STUDIO[TM], Real2Real[TM] and SmartMotion[TM] are trademarks of Azimuth Systems.
In a related announcement last week, Azimuth also introduced the Fixed-Mobile Convergence Performance Test solution that leverages the Test Engine architecture for performance testing of Wi-Fi-enabled phones.
Service providers need a reliable means to ensure the delivery of carrier-grade voice over Wi-Fi to end-users," said Jeff Abramowitz, vice president of marketing at Azimuth Systems.
We are pleased that BT, one of the world's leading providers of communications solutions, has partnered with Azimuth to validate the performance of their Fusion dual-mode handsets," said Jeff Abramowitz, vice president of marketing at Azimuth Systems.