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PIER PIER B PIER C PIER M PIER Letters
2008-10-07
Design and Construction of a Near Real-Time Advanced Automated C-Band Scatterometer System
By
Ka-Sing Lim,

    Dr. Ka-Sing Lim

    Research Councils UK

    United Kingdom

    Homepage

Voon Koo

    Dr. Voon Koo

    Faculty of Engineering

    Multimedia Unviersity

    Malaysia

    Homepage

Progress In Electromagnetics Research, Vol. 86, 53-70, 2008
doi:10.2528/PIER08091004
Abstract
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'' × 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.
Citation
Ka-Sing Lim, and Voon Koo, "Design and Construction of a Near Real-Time Advanced Automated C-Band Scatterometer System," Progress In Electromagnetics Research, Vol. 86, 53-70, 2008.
doi:10.2528/PIER08091004
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