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中文摘要：
针对已知目标的大概航向，需在有限范围内确定目标存在区的情况下，建立了利用吊放声纳的扇形和弧形应召搜潜模型、潜艇运动模型、搜潜概率模型，仿真分析了潜艇初始航向、吊放声纳间距、搜索样式等因素对应召搜索概率的影响．结果表明，初始航向角度的变化对弧形和扇形的应召搜索概率影响较小；不同潜艇运动模型中，吊放声纳间距的变化对弧形和扇形的应召搜索概率影响较大。
英文摘要：
Based on the known probable moving course of submarine targets, to search target in the finite domain, the definite second time submarine search models of dipping sonar such as curve search and sector search, submarine moving models, search probability model were built. The experimentation simulated and analyzed the influence of the varieties of submarine initialization courses, space between dipping Sonars, search manners. These results show the factor of submarine initialization courses has litter effect on the definite second time submarine search models of dipping Sonar such as curve search and sector search, but the factor of space between dipping Sonars has important effect on these searches, in different submarine moving models.
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