利用声波进行水下通信联络的声纳。亦称水声通信机。主要装备在潜艇和水面舰艇上，用于相互间的话音通信或电报通信，有的还可进行敌我识别和合作测距。通信声纳由换能器基阵、发射机和接收机组成。
众所周知，来自近海工业、船舶和声纳的噪音污染会阻碍水下通信，但这些噪音真的能把鲸鱼赶到我们的海滩上吗？
It is known that noise pollution from offshore industry, shipping and sonar can impair underwater communication, but can it really drive whales onto our beaches?
在现代通信、雷达和声纳系统中，需要进行非常复杂的数据处理。
In the modern communication, sonar and radar systems, we need to process huge data.
信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。
Signal recovery is a very important task for detection of radar sonar target and communication signal processing.
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