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.
声纳：利用声学方法侦测或测定水下物体的距离和方向的技术。
Sonar :Technique for detecting and determining the distance and direction of underwater objects by tracking acoustic echoes.
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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