Polarimetric superresolution technique for 2D radar target imaging

Hiroyoshi Yamada; Kazunori Onishi; Yoshio Yamaguchi

doi:10.1117/12.278956

23 December 1997 Polarimetric superresolution technique for 2D radar target imaging

Hiroyoshi Yamada, Kazunori Onishi, Yoshio Yamaguchi

Proceedings Volume 3120, Wideband Interferometric Sensing and Imaging Polarimetry; (1997) https://doi.org/10.1117/12.278956
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Recently, estimation and resolution improvements utilizing the polarization information of electromagnetic wave have been attracting attention in remote sensing and indoor radio propagation analyses. High-resolution technique based on the modern spectral estimation method is one of the promising methods to realize high resolution and accurate estimation capabilities. Several modifications for the technique using the polarization data have reported. In this paper, we propose a new modification for the technique concerning with decorrelation preprocessings, and show its availability for microwave imaging. The method has two main advantages compared with the conventional one; (1) improved decorrelation performance, (2) increased the number of resolvable signals (scattering centers). The resolution improvement is verified theoretically and experimentally.

Citation Download Citation

Hiroyoshi Yamada, Kazunori Onishi, and Yoshio Yamaguchi "Polarimetric superresolution technique for 2D radar target imaging", Proc. SPIE 3120, Wideband Interferometric Sensing and Imaging Polarimetry, (23 December 1997); https://doi.org/10.1117/12.278956

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