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An Imaging Method for Co-Prime-Sampling Spaceborne SAR

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The co-prime-sampling SAR can effectively alleviate the contradictory relationship between spatial resolution and swath width by applying co-prime sampling in azimuth. In order to achieve accurate imaging of co-prime-sampling SAR on the condition of non-negligible range cell migration, an imaging method based on 2D sparse signal reconstruction is proposed. The 2D observed signal is intercepted and the corresponding sparse dictionary is constructed both according to the Doppler parameters of each range gate. An improved 2D signal sparse reconstruction algorithm is used to perform sparse scene reconstruction. Simulation results are provided to demonstrate the effectiveness of the proposed method for sparse scene imaging.

源语言英语
主期刊名2019 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Proceedings
出版商Institute of Electrical and Electronics Engineers Inc.
2527-2530
页数4
ISBN(电子版)9781538691540
DOI
出版状态已出版 - 7月 2019
活动39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Yokohama, 日本
期限: 28 7月 20192 8月 2019

出版系列

姓名International Geoscience and Remote Sensing Symposium (IGARSS)

会议

会议39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019
国家/地区日本
Yokohama
时期28/07/192/08/19

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