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A fusion algorithm of distance characteristic feature based on dynamically allocating weights
Pages: 372-378
Year: Issue:  5
Journal: Applied Acoustics

Keyword:  距离特征量 最优加权平均 动态加权 融合;
Abstract: 距离特征量反映了目标距离变化规律,该观测量可由基于LOFAR谱图的距离特征量提取方法得到。为解决单一频段提取的距离特征量精度不高的问题,本文基于最优加权平均法,提出了多频段距离特征量值提取技术。针对该方法在实际应用中无法准确得到距离特征量解算值误差的标准差,提出了一种对方差进行实时估计的动态加权融合方法。试验数据处理结果表明,融合后精度明显提高。
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