Imaging Algorithm of High Squint Spotlight SAR Based on Azimuth Deramp and Nonlinear Frequency Scaling(NFS)

Lanari R, Tesauro M, and Sansosti E, et al.. Spotlisht SAR data focusing based on a two-step processing approach[J].IEEE Transactions on Geoscience and Remote Sensing.2001, 39(9):1993-2004[2]Reigber A, Alivizators E, and Potsis A, et al.. Extended wavenumber-domain synthetic aperture radar focusing with integrated motion compensation[J].IEE Proceedings: Radar, Sonar and Navigation.2006, 153(3):301-310[3]Davidson G W, Cumming I G, and Ito M R. A chirp scaling approach for processing squint mode SAR data[J].IEEE Tranctions on Aerospace and Electronic Systems.1996, 32(1):121-133[4]Jin Li-hua and Liu Xing-zhao. Nonlinear frequency scaling algorithm for high squint spotlight SAR data processing[J]. EURASIP Journal on Advances in Signal Processing, 2008, Article ID 657081: 1-8.[5]Guo Liang, Xing Mendao, and Tang Yu, et al.. A novel modified omega-k algorithm for synthetic aperture imaging lidar through the atmosphere[J].Sensors.2008, 8:3056-3066[6]井伟, 张磊, 邢孟道, 等. 聚束SAR的宽场景成像算法[J]. 电子学报, 2009, 37(3): 470-475.Jing Wei, Zhang Lei, and Xing Meng-dao, et al.. Algorithm for the wide-swath spotlight SAR data processing[J]. Acta Electronica Sinica, 2009, 37(3): 470-475.[7]Mittermayer J and Moreira A. Spotlight SAR data processing using the frequency scaling algorithm[J].IEEE Tranctions on Geoscience and Remote Sensing.1999, 37(5):2198-2214[8]梁毅, 王虹现, 邢孟道, 等. 调频连续波SAR信号分析与成像分析[J].电子与信息学报.2008, 30(5):1017-1021浏览Liang Yi, Wang Hong-xian, and Xing Meng-dao, et al.. The analysis of FMCW SAR signal and image study[J].Journal of Electronics Information Technology.2008, 30(5):1017-1021