Development of circularly polarized synthetic aperture radar on-board UAV JX-1


J. Tetuko, S. S and Koo, Voon Chet and Lim, Tien Sze and Kawai, T. and Ebinuma, T. and Izumi, Y. and Baharuddin, M. Z. and Gao, S. and Ito, K. (2017) Development of circularly polarized synthetic aperture radar on-board UAV JX-1. Journal International Journal of Remote Sensing, 38 (8-10). pp. 2745-2756. ISSN 0143-1161, eISSN: 1366-5901

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We developed L band (frequency 1.275 GHz) circularly polarized synthetic aperture radar (circularly polarized SAR) on-board unmanned aerial vehicle (UAV). This paper explains the configuration of system, antenna, and car-based experiment of circularly polarized SAR. The comparison of circularly polarized SAR and linearly polarized SAR by full polarimetric scattering experiment in anechoic chamber was done and discussed. The result shows circular polarization has less effect of orientation angle of target and could avoid the misalignment of transmitter and receiver antenna during UAV operation. Axial ratio and ellipticity images are also derived and introduced as novel classification technique in microwave remote sensing field using circularly polarized SAR or ellipticity characteristic of scattering wave.

Item Type: Article
Uncontrolled Keywords: Synthetic aperture radar
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 21 Jul 2020 03:07
Last Modified: 21 Jul 2020 03:07


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