Design and construction of a near real-time advanced automated C-band scatterometer system

This paper presents the design and construction of a complete near real-time scatterometer system for in-situ measurement. The full polarimetric system is comprised of inexpensive Frequency Modulated Continuous Wave (FMCW) radar that is efficiently constructed from a combination of commercially avai...

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Main Authors: Lim, Ka-Sing, Koo, Voon Chet
Format: Article
Language:English
Published: EMW Publishing 2008
Subjects:
Online Access:http://shdl.mmu.edu.my/2774/
http://shdl.mmu.edu.my/2774/1/Design%20and%20construction%20of%20a%20near%20real-time%20advanced%20automated%20C-band%20scatterometer%20system.pdf
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author Lim, Ka-Sing
Koo, Voon Chet
author_facet Lim, Ka-Sing
Koo, Voon Chet
author_sort Lim, Ka-Sing
building MMU Institutional Repository
collection Online Access
description This paper presents the design and construction of a complete near real-time scatterometer system for in-situ measurement. The full polarimetric system is comprised of inexpensive Frequency Modulated Continuous Wave (FMCW) radar that is efficiently constructed from a combination of commercially available components and in-house fabricated circuitry. An automated advanced antenna positioning system (AAPS) is included in the development of the system, giving rise for a more practical measurement. The backscattering matrices of a 4 '' x 8 '' dihedral corner reflector are rotated and measured at different angles to provide different sets of polarimetric data. The backscattering matrices of 8 '' sphere, 12 '' sphere and 16.5 '' trihedral are also measured and the results are presented in this paper. In order to verify the effectiveness of the calibration technique, the results are compared with the theoretical values. Consideration on the challenges of measurement in outdoor environment is countered with external and internal calibration. As a result, the proposed scatterometer system has shown good correlation between measurement and theoretical results.
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spelling mmu-27742013-12-02T04:17:13Z http://shdl.mmu.edu.my/2774/ Design and construction of a near real-time advanced automated C-band scatterometer system Lim, Ka-Sing Koo, Voon Chet T Technology (General) QC Physics This paper presents the design and construction of a complete near real-time scatterometer system for in-situ measurement. The full polarimetric system is comprised of inexpensive Frequency Modulated Continuous Wave (FMCW) radar that is efficiently constructed from a combination of commercially available components and in-house fabricated circuitry. An automated advanced antenna positioning system (AAPS) is included in the development of the system, giving rise for a more practical measurement. The backscattering matrices of a 4 '' x 8 '' dihedral corner reflector are rotated and measured at different angles to provide different sets of polarimetric data. The backscattering matrices of 8 '' sphere, 12 '' sphere and 16.5 '' trihedral are also measured and the results are presented in this paper. In order to verify the effectiveness of the calibration technique, the results are compared with the theoretical values. Consideration on the challenges of measurement in outdoor environment is countered with external and internal calibration. As a result, the proposed scatterometer system has shown good correlation between measurement and theoretical results. EMW Publishing 2008 Article NonPeerReviewed text en http://shdl.mmu.edu.my/2774/1/Design%20and%20construction%20of%20a%20near%20real-time%20advanced%20automated%20C-band%20scatterometer%20system.pdf Lim, Ka-Sing and Koo, Voon Chet (2008) Design and construction of a near real-time advanced automated C-band scatterometer system. Progress In Electromagnetics Research, 86. pp. 53-70. ISSN 1559-8985 http://www.jpier.org/PIER/pier.php?paper=08091004 10.2528/PIER08091004 10.2528/PIER08091004 10.2528/PIER08091004
spellingShingle T Technology (General)
QC Physics
Lim, Ka-Sing
Koo, Voon Chet
Design and construction of a near real-time advanced automated C-band scatterometer system
title Design and construction of a near real-time advanced automated C-band scatterometer system
title_full Design and construction of a near real-time advanced automated C-band scatterometer system
title_fullStr Design and construction of a near real-time advanced automated C-band scatterometer system
title_full_unstemmed Design and construction of a near real-time advanced automated C-band scatterometer system
title_short Design and construction of a near real-time advanced automated C-band scatterometer system
title_sort design and construction of a near real-time advanced automated c-band scatterometer system
topic T Technology (General)
QC Physics
url http://shdl.mmu.edu.my/2774/
http://shdl.mmu.edu.my/2774/
http://shdl.mmu.edu.my/2774/
http://shdl.mmu.edu.my/2774/1/Design%20and%20construction%20of%20a%20near%20real-time%20advanced%20automated%20C-band%20scatterometer%20system.pdf