A TSVD-NCS Algorithm in Range-Doppler Domain for Geosynchronous Synthetic Aperture Radar
A TSVD-NCS Algorithm in Range-Doppler Domain for Geosynchronous Synthetic Aperture Radar
复制标题
地球同步合成孔径雷达距离-多普勒域TSVD-NCS算法
DOI:
10.1109/lgrs.2016.2599224
复制
发表时间:
2016-09
影响因子:
4.8
通讯作者:
Dai, Chao
中科院分区:
文献类型:
--
作者:
Li, Zhenyu;Zhang, Qingjun;Liu, Liping;Dai, Chao
The ultralong synthetic aperture time and a very large scene cause severe 2-D spatial variation in geosynchronous synthetic aperture radar. The range variation was corrected using the range cell migration equalization and the modified chirp scaling function. The azimuth variation correction with the singular value decomposition and the azimuth nonlinear scaling was studied. The validity of the proposed imaging algorithm has been assessed. Satisfactory results were obtained in the removal of the azimuth variation, and the focusing of point targets from a synthetic aperture up to 1000 sand a scene of 150 km (azimuth) × 130 km (range).
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DOI:
10.1109/jstars.2016.2570231
发表时间:
2016-06
期刊:
IEEE Jstars
影响因子:
--
作者:
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DOI:
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DOI:
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发表时间:
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影响因子:
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