Frequency invariability of acoustic field and passive source range estimation in shallow water

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浅水里的弄歪的形式的信号和弄歪的信号自相关功能的频率不变被讨论。一个方法基于频率不变和一个单个水中听音器在一个范围无关或弱的范围依赖者收到的信号自相关功能的变弯的变换为被动来源范围评价被建议浅水环境。在方法,有一个已知的范围的一个指导消息提供者被雇用提供关键、相对的不变的放大特征。有 iso 速度侧面和波动的 thermocline 的浅水里的试验性的数据被用来验证这条途径。来源范围评价的相对错误是基本上不到 10% 。
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