最后，作者利用所设计的激光声纳探测系统进行了在空气中实验和消声水池实验，得到了平静水面和有剧烈干扰条件下的测试数据。
Experiments in the air and in an anechoic tank are both carried out lastly, the experimental data in calm water surface condition and violently disturbed water surface condition are acquired.
为了在预期站点建立更准确的风速和风向图，一些公司转向激光或者声纳系统基础的测量仪器完成MCP。
To establish a more accurate picture of wind speed and direction at prospective sites, some companies are turning to laser and sonar-based measurement instruments to complement MCP.
每个单用机器人在前后两端都各有一个照相机、一个进行水下扫描的声纳和一个用来寻找下水管道锈蚀的激光器。
Each Solo carries a camera at either end, sonar to scan below the water, and lasers to search sewer walls for acid corrosion.
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