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A Novel Method for Azimuth Estimate of Ultra Short Base Line Positioning System

机译:超短基线定位系统方位角估计的一种新方法

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Azimuth estimate is easily affected by noise and multipah during acoustic transmission in Ultra Short Base Line (USBL). To solve this problem, a new array with eight hydrophones and signal processing method are presented and analyzed. With the help of redundant hydrophones, various results could be obtained. Compared with the standard deviations of various results, correct one would be picked out. Lake experiment proved that wrong azimuth estimate was effectively eliminated and the positioning performance was improved.
机译:超短基线(USBL)的声学传输期间,方位角估计很容易受到噪声和多人的影响。为了解决这个问题,提出并分析了一种具有八个流水声和信号处理方法的新阵列。借助冗余的亲水声,可以获得各种结果。与各种结果的标准偏差相比,将纠正一个纠正。湖实验证明,有效消除了错误的方位角估计,并改善了定位性能。

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