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    Improved GNSS/Acoustic Underwater Positioning with Between-Buoy Baseline Constraint

    Source: Journal of Surveying Engineering:;2023:;Volume ( 149 ):;issue: 004::page 04023012-1
    Author:
    Zhen Sun
    ,
    Zhenjie Wang
    ,
    Zhixi Nie
    ,
    Shuang Zhao
    ,
    Yi Yu
    DOI: 10.1061/JSUED2.SUENG-1402
    Publisher: ASCE
    Abstract: Continuous seafloor transponder positioning with moored buoy observation system is an indispensable method for detecting seafloor crustal deformation. However, the between-buoy baseline information provided by the global navigation satellite system (GNSS) relative positioning, the precision of which can be up to centimeter level or even higher, is not introduced into the conventional joint adjustment method. The accuracy of seafloor transponder positioning might be improved if high-precision baseline information is taken into account. In this contribution, a joint adjustment (IJA) method with between-buoy baseline constraints is proposed for the GNSS acoustic (GNSS/A) underwater precise positioning system with moored buoy observation system. Specifically, the positions of both acoustic transducer and transponder are treated as unknown parameters, and the positions of the acoustic transducer provided by GNSS positioning are introduced as virtual observations. Between-buoy baseline information is also introduced to further improve the precision of underwater positioning. To verify the performance of the improved joint adjustment method, a series of simulation tests were carried out. Simulation results show that the positioning accuracy with the proposed method can be improved by about 24%–53% compared with the traditional method and 7%–44% compared with the joint adjustment method.
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      Improved GNSS/Acoustic Underwater Positioning with Between-Buoy Baseline Constraint

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4294173
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    contributor authorZhen Sun
    contributor authorZhenjie Wang
    contributor authorZhixi Nie
    contributor authorShuang Zhao
    contributor authorYi Yu
    date accessioned2023-11-28T00:18:20Z
    date available2023-11-28T00:18:20Z
    date issued7/27/2023 12:00:00 AM
    date issued2023-07-27
    identifier otherJSUED2.SUENG-1402.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4294173
    description abstractContinuous seafloor transponder positioning with moored buoy observation system is an indispensable method for detecting seafloor crustal deformation. However, the between-buoy baseline information provided by the global navigation satellite system (GNSS) relative positioning, the precision of which can be up to centimeter level or even higher, is not introduced into the conventional joint adjustment method. The accuracy of seafloor transponder positioning might be improved if high-precision baseline information is taken into account. In this contribution, a joint adjustment (IJA) method with between-buoy baseline constraints is proposed for the GNSS acoustic (GNSS/A) underwater precise positioning system with moored buoy observation system. Specifically, the positions of both acoustic transducer and transponder are treated as unknown parameters, and the positions of the acoustic transducer provided by GNSS positioning are introduced as virtual observations. Between-buoy baseline information is also introduced to further improve the precision of underwater positioning. To verify the performance of the improved joint adjustment method, a series of simulation tests were carried out. Simulation results show that the positioning accuracy with the proposed method can be improved by about 24%–53% compared with the traditional method and 7%–44% compared with the joint adjustment method.
    publisherASCE
    titleImproved GNSS/Acoustic Underwater Positioning with Between-Buoy Baseline Constraint
    typeJournal Article
    journal volume149
    journal issue4
    journal titleJournal of Surveying Engineering
    identifier doi10.1061/JSUED2.SUENG-1402
    journal fristpage04023012-1
    journal lastpage04023012-7
    page7
    treeJournal of Surveying Engineering:;2023:;Volume ( 149 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian