军用方面，匹配场定位、低频远程声纳作用距离预报、潜艇沉底隐蔽地点选择等方面都有广泛的应用。
In military engineering applications, identification of sea bottom types are vary important for match field location, low-frequency sonar distance forecast, and choosing the location for submarine.
首先根据声纳方程，推导出了声纳浮标作用距离的预报模型。
Firstly, the prediction model was induced according to the equation of sonar.
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