Passive GNSS-based SAR imaging and opportunities using Galileo E5 signals

被引：0
|
作者：
MA Hui [1 ,2 ]
ANTONIOU Michail [2 ]
CHERNIAKOV Mikhail [2 ]
机构：
[1] School of Electronic and Information Engineering, Beihang University
[2] Electronic, Electrical and Systems Engineering Department, University of Birmingham
来源：
Science China(Information Sciences) | 2015年 / 58卷 / 06期
关键词：
bistatic synthetic aperture radar(BSAR); GNSS-based SAR; Galileo; E5 channel combination;
D O I：
暂无
中图分类号：
TN96.1 []; TN957.52 [数据、图像处理及录取];
学科分类号：
080401 ; 080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要：
This paper investigates the feasibility of Galileo navigation satellites as transmitters of opportunity in passive bistatic synthetic aperture radar(SAR) systems from the perspectives of signal processing and experiment program. Experimental images obtained using a single Galileo channel, E5 a or E5 b, are presented and analyzed. The paper also puts forward the channel combination scheme to jointly process E5 a and E5 b channels, which brings up high-resolution possibilities for passive SAR technique. By employing the entire E5 band for imaging, the range resolution may be potentially increased by up to 5 times. Preliminary experimental results for this concept are demonstrated.
引用
收藏
页码：84 / 94
页数：11
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