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Parameters Estimation Method for LFM Interference to GNSS Uplink Injection

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China Satellite Navigation Conference (CSNC) 2017 Proceedings: Volume I (CSNC 2017)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 437))

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Abstract

Satellite navigation system has been widely used in military and civilian realms in the world. As applications of satellite communication and radar increases, the electromagnetic environment becomes more and more complex. For middle and high orbit navigation satellites, various intentional or (and) unintentional interferences exist in the same frequency band of the uplink injection, which may reduce the quality of the uplink data, increase the error rate, and further, if in severe condition, affect the operation of satellite navigation system. Currently, radar signal is a main type of unintentional interference for the uplink injection of the navigation satellite. In this paper, the interference signal power level from ground radar to uplink injection is analyzed. For the typical linear frequency modulated (LFM) radar signal, a method based on fractional Fourier transform (FrFT) is proposed to estimate the signal parameters, and simulation experiment is performed to demonstrate the validation of the method. The results of this paper could be used for reference for the space electromagnetic environment monitoring for satellite navigation system.

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References

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Authors and Affiliations

  1. National University of Defense Technology, Changsa, China

    Shuren Guo & Hailing Wu

  2. Bei**g Institute of Tracking and Telecommunication Technology, Bei**g, China

    Shuren Guo, Hang Ruan & Hailing Wu

Authors
  1. Shuren Guo
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  2. Hang Ruan
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  3. Hailing Wu
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Corresponding author

Correspondence to Hang Ruan .

Editor information

Editors and Affiliations

  1. China Aerospace Science and Technology Corporation, Bei**g, China

    Jiadong Sun

  2. Wuhan University , Wuhan, China

    **gnan Liu

  3. National Administration of GNSS and Applications, Bei**g, China

    Yuanxi Yang

  4. China Satellite Navigation Office , Bei**g, China

    Shiwei Fan

  5. Shanghai Jiao Tong University , Shanghai, China

    Wenxian Yu

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© 2017 Springer Nature Singapore Pte Ltd.

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Guo, S., Ruan, H., Wu, H. (2017). Parameters Estimation Method for LFM Interference to GNSS Uplink Injection. In: Sun, J., Liu, J., Yang, Y., Fan, S., Yu, W. (eds) China Satellite Navigation Conference (CSNC) 2017 Proceedings: Volume I. CSNC 2017. Lecture Notes in Electrical Engineering, vol 437. Springer, Singapore. https://doi.org/10.1007/978-981-10-4588-2_83

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  • DOI: https://doi.org/10.1007/978-981-10-4588-2_83

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-4587-5

  • Online ISBN: 978-981-10-4588-2

  • eBook Packages: EngineeringEngineering (R0)

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