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针对多天线技术在全球卫星导航系统（GNSS）组合声学测距应用中存在解算效率不高的问题，提出多天线GNSS/声学组合定位模型和虚拟天线GNSS/声学组合定位模型：采用精准化天线位置的方式实现高效率解算；然后通过水下定位仿真实验，对比分析虚拟天线定位模型与多天线定位模型。结果表明，在海底定位精度方面，虚拟天线定位模型与多天线定位模型相近，多天线定位模型及虚拟天线定位模型优于传统单天线定位模型；在解算效率方面，虚拟天线定位模型优于多天线定位模型，虚拟天线定位模型处理耗时180.020 s，多天线定位模型处理耗时50.257 s，解算效率提升约3.6倍。
Abstract：Aiming at the problem of low solution efficiency of multi-antenna technology in the application of global navigation satellite system(GNSS) combined acoustic ranging, the paper proposed a multi-antenna GNSS/acoustic combined positioning model and a virtual antenna GNSS/acoustic combined positioning model: the precise antenna position was adopted to achieve high-efficiency solution; and then through underwater positioning simulation experiments, the virtual antenna positioning model and the multi-antenna positioning model were compared and analyzed. Result showed that in terms of seafloor positioning accuracy, the virtual antenna positioning model would be similar to the multi-antenna positioning model, and the multi-antenna positioning model and the virtual antenna positioning model could be better than the traditional single-antenna positioning model;meanwhile, in terms of solution efficiency, the virtual antenna positioning model would be superior to the multi-antenna positioning model, the virtual antenna positioning model would take 180.020 s for processing, and the multi-antenna positioning model 50.257 s, indicating that the solution efficiency could be improved by about 3.6 times.
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基本信息:
DOI：10.16547/j.cnki.10-1096.20240512
中图分类号:TN967.1
引用信息:
[1]肖圳,韩保民,薛树强,等.多天线GNSS/声学测距组合定位优化模型[J].导航定位学报,2024,12(05):98-105.DOI:10.16547/j.cnki.10-1096.20240512.
基金信息:
国家自然科学基金项目（41931076）; 崂山实验室科技创新项目（LSKJ202205100,LSKJ202205105）
2023-05-06
2023
2023-12-26
2024-01-25
2024
1
2024-08-28
2024-08-28
2024-08-28