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Research on Acoustic Locating Accuracy Algorithm Based on Multi-sensor
Author(s): 
Pages: 363-364,367
Year: Issue:  2
Journal: Computer Measurement & Control

Keyword:  时差定位多传感器融合几何精度因子;
Abstract: 针对TDOA定位算法中几何不确定性对定位精度的负面影响,提出一种基于多传感器信息融合的水声定位算法;该算法首先对多传感器合理布阵,确定若该个TDOA定位子系统,再对每个定位子系统用TDOA算法求得目标位置信息,最后依据几何精度因子(GDOP)对得到的若干个目标位置信息进行加权融合,得到最终定位结果;利用软件仿真对算法可行性进行了验证,结果表明,与基本的五元阵定位系统相比,该算法有效消除了因几何不确定性引起的误差,大大提高了定位精度.
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