多波束系统搜救水下目标的探测深度计算
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1.海军大连舰艇学院军事海洋与测绘系;2.92150部队;3.91001部队

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Underwater Soundings Calculation of Multibeam Echosounder System for Underwater Target Search and Rescue
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1.Department of Military Oceanography and Hydrography &2.Cartography, Dalian Naval Academy;3.92150 Tropps;4.91001 Troops

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    摘要:

    针对多波束测深系统种类、探测模式等因素影响水下目标搜索效能的问题,提出了一种面向水下目标搜索的多波束系统探测深度计算方法。分别对多波束系统等角与等距模式进行探讨,考虑波束间重叠角的影响,由多波束横向分辨率计算公式推导了两种模式的探测深度公式,并将不同波束角度的探测深度进行计算,经过结果比对,总结出等角模式搜索水下目标的探测能力要优于等距模式。最后结合算例,得出多波束探测能力与目标尺寸、海水深度、波束开角有关。

    Abstract:

    A method for calculating the depth of Multibeam Echosounder System (MBES). used for underwater target search is proposed based on factors such as the types and detection modes of MBES. The equal-angle and equal-spacing modes of MBES are discussed separately, taking into account the influence of beam overlap angles. Two formulas for calculating the depth of each mode are derived from the formula for transverse resolution of MBES, and the depths of different beam angles are calculated. After comparing the results, it is concluded that the detection capability of the equal-angle mode for searching underwater targets is superior to that of the equal-spacing mode. Finally, a case study is conducted to show that the detection capabilities of MBES are related to target size, water depth, and beam opening angle.

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  • 收稿日期:2023-10-19
  • 最后修改日期:2023-11-24
  • 录用日期:2023-12-06
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