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1978 (3)

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Book
High resolution UV observations and the formation of the solar MgII resonance lines: proefschrift
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Year: 1978 Publisher: Utrecht Drukkerij Elinkwijk

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Solar physics


Book
High resolution uv observations and the formation of the solar Mg II resonance lines
Author:
Year: 1978 Publisher: Utrecht [s.n.]

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Book
Thermal design and thermal behaviour of radio telescopes and their enclosures
Authors: ---
ISBN: 3642038662 9786612834684 3642038670 1282834681 Year: 2009 Publisher: New York : Springer,

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Radio telescopes as well as communication antennas operate under the influence of gravity, temperature and wind. Among those, temperature influences may degrade the performance of a radio telescope through transient changes of the focus, pointing, path length and sensitivity, often in an unpredictable way. Thermal Design and Thermal Behaviour of Radio Telescopes and their Enclosures reviews the design and construction principles of radio telescopes in view of thermal aspects and heat transfer with the variable thermal environment; it explains supporting thermal model calculations and the application and efficiency of thermal protection and temperature control; it presents many measurements illustrating the thermal behaviour of telescopes in the environment of their observatory sites. The book benefits scientists and radio/communication engineers, telescope designers and construction firms as well as telescope operators, observatory staff, but also the observing astronomer who is directly confronted with the thermal behaviour of a telescope.


Multi
Thermal Design and Thermal Behaviour of Radio Telescopes and their Enclosures
Authors: ---
ISBN: 9783642038679 9783642038808 9783642263095 9783642038662 Year: 2010 Publisher: Berlin, Heidelberg Springer

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Radio telescopes as well as communication antennas operate under the influence of gravity, temperature and wind. Among those, temperature influences may degrade the performance of a radio telescope through transient changes of the focus, pointing, path length and sensitivity, often in an unpredictable way. Thermal Design and Thermal Behaviour of Radio Telescopes and their Enclosures reviews the design and construction principles of radio telescopes in view of thermal aspects and heat transfer with the variable thermal environment; it explains supporting thermal model calculations and the application and efficiency of thermal protection and temperature control; it presents many measurements illustrating the thermal behaviour of telescopes in the environment of their observatory sites. The book benefits scientists and radio/communication engineers, telescope designers and construction firms as well as telescope operators, observatory staff, but also the observing astronomer who is directly confronted with the thermal behaviour of a telescope.


Dissertation
High resolution UV observations and the formation of the solar MgII resonance lines
Authors: ---
Year: 1978 Publisher: Utrecht Elinkwijk

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Book
Thermal Design and Thermal Behaviour of Radio Telescopes and their Enclosures
Authors: --- ---
ISBN: 9783642038679 9783642038808 9783642263095 9783642038662 Year: 2010 Publisher: Berlin Heidelberg Springer Berlin Heidelberg

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Abstract

Radio telescopes as well as communication antennas operate under the influence of gravity, temperature and wind. Among those, temperature influences may degrade the performance of a radio telescope through transient changes of the focus, pointing, path length and sensitivity, often in an unpredictable way. Thermal Design and Thermal Behaviour of Radio Telescopes and their Enclosures reviews the design and construction principles of radio telescopes in view of thermal aspects and heat transfer with the variable thermal environment; it explains supporting thermal model calculations and the application and efficiency of thermal protection and temperature control; it presents many measurements illustrating the thermal behaviour of telescopes in the environment of their observatory sites. The book benefits scientists and radio/communication engineers, telescope designers and construction firms as well as telescope operators, observatory staff, but also the observing astronomer who is directly confronted with the thermal behaviour of a telescope.

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