文章摘要
史秋亮,宋志杰.潜艇深度变化后的声纳跟踪条件[J].声学技术,2005,(3):164~166
潜艇深度变化后的声纳跟踪条件
Tracking of submarine,borne sonar during change of depth
投稿时间:2004-05-25  修订日期:2004-07-11
DOI:
中文关键词: 潜艇声纳  跟踪  传播损失
英文关键词: tracking  submarine-borne-sonar  platform noise
基金项目:
作者单位
史秋亮 海军潜艇学院水声中心, 青岛, 266071 
宋志杰 中国海洋大学, 青岛, 266003 
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中文摘要:
      从理论上分析了正在跟踪目标的潜艇在其深度变化后,影响声纳继续跟踪该目标的主要因素,从跟踪条件下的声纳方程中,分析深度的变化引起声传播损失和干扰噪声的变化,给出了声传播损失和干扰噪声的计算方法,得出了潜艇变深后保证声纳得以继续跟踪目标的本艇航速及其预报方法和计算实例。
英文摘要:
      When a submarine changes its depth, target tracking of its sonar may become unstable due to deterioration of the received signal,to,noise ratio. In this paper, factors affecting the tracking are studied based on the sonar equation and an analysis of the sound transmission loss. The condition under which sonar can keep tracking with change in depth of the host submarine is presented. It is shown that tracking can be preserved by changing the submarine's speed accordingly so that its self,noise is adjusted to satisfy the condition for target detection.
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