为了研究目标舰船辐射噪声对声纳作用距离产生的影响，用蒙特卡洛方法对目标航速进行模拟。
In order to research the affection of ship's radiate noise on sonar detecting range, this paper simulates the ship's velocity by Monte Carlo method.
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.
本文针对主动声纳的特点，分析了利用LMS算法的自适应线谱增强器提高主动声纳作用距离的可行性。
This paper analysised the possibility of using the adaptive line spectrum enhancer with LMS to improve the detection range of active sonar according to its characteristics.
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