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为解决超短基线在远距离处定位导航绝对精度差的问题,提出一种长/超短基线组合声学定位导航方法.运用最小均方误差准则,对长基线和超短基线的定位结果进行信息融合.理论推导和仿真试验均表明:该方法提高了定位导航精度,扩大了作用区域,其性能优于长基线定位导航系统.
In order to solve the problem of poor absolute accuracy of positioning and navigation of ultra-short baselines at long distance, a long / short baseline combined acoustic location and navigation method is proposed, which uses the least mean square error criterion to locate the long baseline and ultrashort baseline The theoretical derivation and simulation experiments show that this method improves the positioning accuracy and expands the area of action, which is superior to the long baseline positioning and navigation system.