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Sensors 2010, 10(4), 3703-3717; doi:10.3390/s100403703
Article

A New Automatic System for Angular Measurement and Calibration in Radiometric Instruments

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Received: 1 February 2010 / Revised: 19 March 2010 / Accepted: 30 March 2010 / Published: 13 April 2010
(This article belongs to the Section Physical Sensors)
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Abstract

This paper puts forward the design, construction and testing of a new automatic system for angular-response measurement and calibration in radiometric instruments. Its main characteristics include precision, speed, resolution, noise immunity, easy programming and operation. The developed system calculates the cosine error of the radiometer under test by means of a virtual instrument, from the measures it takes and through a mathematical procedure, thus allowing correcting the radiometer with the aim of preventing cosine error in its measurements.
Keywords: angular response; calibration; cosine error; data acquisition; radiometric instrument; solar irradiance angular response; calibration; cosine error; data acquisition; radiometric instrument; solar irradiance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Marquez, J.M.A.; Bohórquez, M.Á.M.; Garcia, J.M.; Nieto, F.J.A. A New Automatic System for Angular Measurement and Calibration in Radiometric Instruments. Sensors 2010, 10, 3703-3717.

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