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DOA Estimation of Coherent Wideband LFM Signals Based on Sparse Representation of FRFT Domain

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Communications, Signal Processing, and Systems (CSPS 2017)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 463))

Abstract

In this paper, a DOA estimation method for wideband signals based on sparse representation in FRFT domain is proposed. This method establishes the DOA estimation model and the array popular matrix in the FRFT domain and reconstruct the spatial spectral function based on the sparse representation of the spatial angle, so as to realize DOA estimation of the wideband LFM signals. The algorithm is not only suitable for non-coherent signals, but also can process coherent signals directly without any decoherent operations. Simulation results show that the proposed method can achieve higher estimation performance than the traditional methods, especially at low SNR.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (No. 61171180, No. 61571157), the Fundamental Research Funds for the Central Universities (Grant No. HIT. MKSTISP. 2016 13 and No. HIT. MKSTISP. 2016 26), the fund from the Science and Technology on Electronic Information Control Laboratory and the Subject Guide Fund of Harbin Institute of Technology at Weihai (No. WH20150111).

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Authors and Affiliations

  1. Harbin Institute of Technology, Harbin, China

    Xiuhong Wang, Xingpeng Mao, Yaliang Wang & Aijun Liu

  2. Harbin Institute of Technology (Weihai), Weihai, China

    Xiuhong Wang & Aijun Liu

  3. Collaborative Innovation Center of Information Sensing and Understanding, Harbin Institute of Technology, Harbin, China

    Xingpeng Mao & Yaliang Wang

  4. Science and Technology on Electronic Information Control Laboratory, Chengdu, China

    Xingpeng Mao & Yaliang Wang

Authors
  1. Xiuhong Wang
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  2. Xingpeng Mao
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  3. Yaliang Wang
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  4. Aijun Liu
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Corresponding author

Correspondence to Xingpeng Mao .

Editor information

Editors and Affiliations

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

    Qilian Liang

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

    Jiasong Mu

  3. Harbin Institute of Technology, Harbin, Heilongjiang, China

    Min Jia

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

    Wei Wang

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

    Xuhong Feng

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

    Baoju Zhang

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Wang, X., Mao, X., Wang, Y., Liu, A. (2019). DOA Estimation of Coherent Wideband LFM Signals Based on Sparse Representation of FRFT Domain. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_193

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_193

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

  • eBook Packages: EngineeringEngineering (R0)

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