A Novel Azimuth Doppler Signal Reconstruction Approach for the GEO-LEO Bi-Static Multi-Channel HRWS SAR System
A Novel Azimuth Doppler Signal Reconstruction Approach for the GEO-LEO Bi-Static Multi-Channel HRWS SAR System
复制标题
GEO-LEO双基地多通道HRWS SAR系统方位多普勒信号重建新方法
DOI:
10.1109/access.2019.2904653
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发表时间:
2019-03
期刊:
影响因子:
3.9
通讯作者:
Chen Junli
中科院分区:
文献类型:
--
作者:
Zhang Shuang-Xi;Li Shaojie;Liu Yanyang;Xing Meng-Dao;Chen Junli
For the geosynchronous-low earth orbit (GEO-LEO) bi-static multi-channel high-resolution and wide-swath synthetic aperture radar (HRWS SAR) system, a novel azimuth Doppler signal reconstruction algorithm is developed based on an equivalent baseline approximating in the azimuth Doppler chirp Fourier transform domain. The main difficulty for the GEO-LEO bistatic multi-channel HRWS SAR system is that the baseline is variant with the scene in the conventional Doppler Fourier transform domain during azimuth signal reconstruction. The developed approach first employs the linear range cell migration correction and chirp Fourier transform to obtain the coarse-focused ambiguity SAR image. More importantly, the baseline component can be approximated a uniform baseline length for the whole image scene and the ambiguous Doppler spectrum can be reconstructed using the available Doppler signal reconstruction approach. Finally, the experimental results for a simulation GEO-LEO bi-static multi-channel HRWS SAR system are employed to validate the theoretical investigations and the proposed approach.
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影响因子:
4.8
作者:
Jiangwen Tang;Yunkai Deng;Robert Wang;Shuo Zhao;Ning Li;Wei Wang
通讯作者:
Jiangwen Tang;Yunkai Deng;Robert Wang;Shuo Zhao;Ning Li;Wei Wang
影响因子:
8.2
作者:
Pei Jifang;Li Zhongyu;Huang Yulin;Yang Jianyu
通讯作者:
Yang Jianyu
DOI:
10.1109/igarss.2003.1293912
发表时间:
2003-07
期刊:
IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)
影响因子:
--
作者:
G. Krieger;H. Fiedler;D. Hounam;A. Moreira
通讯作者:
G. Krieger;H. Fiedler;D. Hounam;A. Moreira
影响因子:
4.4
作者:
N. Gebert;Michelangelo Villano;G. Krieger;A. Moreira
通讯作者:
N. Gebert;Michelangelo Villano;G. Krieger;A. Moreira
DOI:
10.1109/taes.2009.5089542
发表时间:
2009-04-01
影响因子:
4.4
作者:
Gebert, Nicolas;Krieger, Gerhard;Moreira, Alberto
通讯作者:
Moreira, Alberto