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Transceiver pseudolite carrier frequency self-alignment closed-loop system

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Abstract

Due to instability of a normal pseudolite, it is vital to ensure that the signal transmitted by a pseudolite is stable. In this paper, a carrier frequency self-alignment closed-loop system is designed for enhancing the stability of a transceiver pseudolite. Carrier frequency feedback is used to compensate for interference from external noise, so that it can make the signal more stable. This system is able to be stable via the related root locus and bode diagram analysis. PID compensation is used to enhance transient-state and static-state performances of carrier frequency self-alignment closed-loop system. According to MATLAB Simulink simulation, carrier frequency self-alignment is achievable and it can suppress external noise interference, which makes the signal more stable.

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Authors and Affiliations

  1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai, China

    Tong Wu, Xingqun Zhan & Xin Zhang

Authors
  1. Tong Wu
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  2. Xingqun Zhan
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  3. Xin Zhang
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Correspondence to Tong Wu.

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Wu, T., Zhan, X. & Zhang, X. Transceiver pseudolite carrier frequency self-alignment closed-loop system. AS 3, 41–52 (2020). https://doi.org/10.1007/s42401-019-00041-x

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  • DOI: https://doi.org/10.1007/s42401-019-00041-x

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