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A Sub-aperture Division Method for FMCW CSAR Imaging

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Communications, Signal Processing, and Systems (CSPS 2019)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 571))

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Abstract

Frequency modulation continuation wave circular synthetic aperture radar (FMCW CSAR) imaging can’t focus imaging,because of the target scattering coefficient to change caused by large synthetic aperture. The sub-aperture imaging algorithm effectively avoids such problems. However, the sub-aperture division needs to be further studied to ensure that it does not appear redundancy or data leakage. In this paper, the principle of sub-aperture division is theoretically deduced, and the expression satisfying the selection of sub-aperture is given. The simulation results show that the image can be well imaged in the sub-aperture range, but beyond the sub-aperture range, it is difficult to achieve good focusing imaging.

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References

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Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant 61801516 and 41171224, and the Natural Science Basic Research Program of Shanxi Province under Grant 2019JQ238.

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Authors and Affiliations

  1. College of Information Engineering, Engineering University of PAP, Xi’an, Shanxi, China

    Depeng Song, Binbing Li, Yi Qu & Yijun Chen

  2. Command College of Armed Police Force, Hangzhou, Zhejiang, China

    Heng Wang

Authors
  1. Depeng Song
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  2. Binbing Li
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  3. Yi Qu
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  4. Yijun Chen
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  5. Heng Wang
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Corresponding author

Correspondence to Depeng Song .

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Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX, USA

    Qilian Liang

  2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  3. School of Information and Communication Engineering, Dalian University of Technology, Dalian, Liaoning, China

    Xin Liu

  4. School of Information Science and Technology, Dalian Maritime University, Dalian, Liaoning, China

    Zhenyu Na

  5. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China

    Min Jia

  6. College of Physical and Electronic Information, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2020 Springer Nature Singapore Pte Ltd.

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Song, D., Li, B., Qu, Y., Chen, Y., Wang, H. (2020). A Sub-aperture Division Method for FMCW CSAR Imaging. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_116

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  • DOI: https://doi.org/10.1007/978-981-13-9409-6_116

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-9408-9

  • Online ISBN: 978-981-13-9409-6

  • eBook Packages: EngineeringEngineering (R0)

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