The electromagnetic interference faced by modern GNSS terminals is becoming more and more severe. In most cases, there is a lack of professional interference detection equipment to accompany interference, which brings inconvenience to users. Adding navigation interference detection and orientation capabilities to GNSS handheld terminals is of great significance for enhancing the user's ability to perceive interference and improving the efficiency of interference investigation. Based on the comparison and analysis of commonly used interference signal detection and orientation technologies, this paper proposes an interference energy detection technology and a comprehensive orientation technology suitable for GNSS handheld terminals. The software and hardware implementation principles of the verification prototype are given. Performance tests were carried out in the anechoic chamber and outdoor environment. The test results show that the prototype can detect continuous wave, FM wideband/narrowband and AM narrowband interference signals with an power of −110 dBm~−60 dBm. The detection success rate achieves 100%, and the interference power measurement accuracy can reach 3 dB. The interference orientation error is lower than 15°. The results of this paper can be used to guide GNSS handheld terminals to improve their ability to perceive interference.


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    Titel :

    A Navigation Interference Detection and Orientation Technology Based on GNSS Handheld Terminal


    Weitere Titelangaben:

    Lect. Notes Electrical Eng.


    Beteiligte:
    Yang, Changfeng (Herausgeber:in) / Xie, Jun (Herausgeber:in) / Zhang, Linfeng (Autor:in) / Tang, Bin (Autor:in) / Zheng, Chong (Autor:in) / Chen, Xianning (Autor:in) / Xu, Linfeng (Autor:in)

    Kongress:

    China Satellite Navigation Conference ; 2022 ; Beijing, China May 22, 2022 - May 25, 2022



    Erscheinungsdatum :

    07.05.2022


    Format / Umfang :

    10 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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