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Joint autofocus and registration for video-SAR by using sub-aperture point cloud

Due to the existence of antenna phase center (APC) error, drift occurs on the sequence of images acquired by video-SAR back projection (BP) algorithm with respect to a fixed coordinate system. Theoretical analysis shows that the drift is directly related to APC errors. Thus, we propose a novel joint...

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Principais autores: Jun Shi, Yihang Zhou, Zhikun Xie, Xiaqing Yang, Wenxuan Guo, Fuwei Wu, Chengyuan Li, Xiaoling Zhang
Formato: Artigo
Idioma:Inglês
Publicado em: Elsevier 2023-04-01
coleção:International Journal of Applied Earth Observations and Geoinformation
Assuntos:
SAR autofocus
INS autofocus
INS calibration
Point cloud
RPM-Net
W-band video-SAR
Acesso em linha:http://www.sciencedirect.com/science/article/pii/S1569843223001176
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