... 声波定位仪器 Sound locating instruments 声纳导航、探测系统 Sonars 手提电话 portable telephones ...
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高速前进时它难以识别用于导航的声纳信号。
High speeds can make it hard to decipher the sonar signals used for guidance.
声纳是对水下目标进行定位、导航和通讯的主要手段。
Sonar is the manly artifice of positioning, navigation and communication for the underwater target.
根据多波束声纳地形匹配导航中不同阶段对匹配性能的不同要求，提出了基于径向投影变换的快速地形匹配方法。
In order to satisfy the different needs of submarine navigated performance in the different navigation steps, the fast terrain matching algorithm based on radial projection transform is presented.
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