距离敏感贝叶斯被动声纳跟踪

Bryan A. Yocom, J. Aughenbaugh, B. Cour
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引用次数: 7

摘要

被动声呐阵列通常在远场假设下工作,在远场假设中,关于目标位置的唯一可观测参数是目标信号到达的方向。距离可以被观察到,但只有当目标在阵列的近场区域。在问题的贝叶斯公式中,通过利用感兴趣目标的源电平的知识,可以将额外的距离依赖性添加到被动声纳似然函数中。结果表明,在阵列的近场和远场区域,结合源电平的这种知识可以提高跟踪精度。此外,研究还表明,源级建模可以使全向传感器具有检测和定位目标的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Range-sensitive Bayesian passive sonar tracking
Passive sonar arrays are commonly operated under a far-field assumption in which the only observable parameter regarding target location is the direction of arrival of the target's signal. Range can be observed, but only when a target is in the near-field region of the array. In a Bayesian formulation of the problem, additional range dependence may be added to the passive sonar likelihood function by utilizing knowledge of the source level of a target of interest. It is shown that incorporating such knowledge of source level can increase track accuracy, both in the near-field and far-field regions of the array. In addition, it is shown that source level modeling can give a field of omni-directional sensors the ability to detect and localize a target.
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