A ROTATIONAL HIGH-RESOLUTION SAR ON A TOWER AT MULTI-FREQUENCIES

被引：1
|
作者：
Hwang, Ji-Hwan [1 ]
Kwon, Soon-gu [1 ]
Oh, Yisok [1 ]
机构：
[1] Hongik Univ, Dept Elect Informat & Commun Engn, Seoul, South Korea
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
Rotational SAR (RotSAR); HPS tower platform; FDTD; RotSAR image resolutions;
D O I：
10.1109/IGARSS.2012.6352579
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A rotational SAR system with the HPS (Hongik Polarimetric Scatterometer) tower platform for multi-frequency bands is presented in this paper. It was designed to obtain high-resolution SAR images using the existing tower platform of HPS and, in additional, 1.6m sub-arm for rotational synthetic aperture. Rotational SAR system was compared to the conventional SAR system using FDTD (finite-difference time-domain) simulations. Performances were measured at L-, C-, and X-bands by analysis of the reconstructed SAR images. Measured resolutions which are extracted from IRF (impulse response function) of targets in the rotational SAR images are (14.8cm, 9.2 degrees) (7.2cm, 4 degrees) and (5.1cm, 2.1 degrees) in range-and cross-range directions at L-, C-, and X-bands, respectively.
引用
收藏
页码：6891 / 6894
页数：4
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