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A novel algorithm for side peaks suppression of ambiguity function for passive radar based on chinese DTTB signal

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Journal of Electronics (China)

Abstract

The ambiguity function of Chinese standard Digital Television Terrestrial Broadcasting (DTTB) signals for passive radar contains one main peak and many side peaks. The side peaks may cause the false alarms. The relative positions and the reasons for the side peaks are analyzed and a new algorithm for side peaks suppression is proposed in this paper. The algorithm, in consideration of the characteristics of the structure of the frame, can eliminate the side peaks completely in the valid Doppler observation interval by setting the reference signals to zero at equal intervals. Both the simulative and experimental results show that this algorithm can improve the performance of target detection of the passive radar based on DTTB signal.

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Authors and Affiliations

  1. Graduate University of Chinese Academy of Sciences, Beijing, 100190, China

    Jichuan Li, Xiaode Lu & Yaodong Zhao

  2. National Key Laboratory of Science and Technology on Microwave Imaging, Institute of Electronics, Chinese Academy of Sciences, Beijing, 100190, China

    Jichuan Li & Yaodong Zhao

Authors
  1. Jichuan Li
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  2. Xiaode Lu
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  3. Yaodong Zhao
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Corresponding author

Correspondence to Jichuan Li.

Additional information

Communication author: Li Jichuan, born in 1988, male, Master.

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Li, J., Lu, X. & Zhao, Y. A novel algorithm for side peaks suppression of ambiguity function for passive radar based on chinese DTTB signal. J. Electron.(China) 29, 485–492 (2012). https://doi.org/10.1007/s11767-012-0912-x

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  • DOI: https://doi.org/10.1007/s11767-012-0912-x

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