The optical mosaics each consist of 1500 high-resolution images rectified using sonar data .
由1500个高清图像组成的每个光学马赛克可以纠正使用中的声纳数据。
Gps and sonar instruments should have warned of the danger , he says .
他说,gps和声纳设备应该已经检测到并警告这种危险了。
The robot was programmed to create a data-point cloud using a traditional sonar scan .
根据编程设定,机器人使用传统声纳扫描生成一张粗糙的数据点云图像。
Today 's vessels can find their prey using satellites and sonar , which were not available 50 years ago .
如今的捕鱼船可以利用卫星和声纳系统寻找猎物,50年前并没有这些玩意儿。
Next year 's model will have a doppler sonar to help it avoid high-speed collisions with unsuspecting swimmers .
明年的型号将配备多普勒声纳,以帮助避免与未察觉该设备的游泳者发生高速碰撞。
Sonar scans done at a safe distance of 10 metres create a rough image known as a data-point cloud .
声纳扫描的安全距离是10米,这种情况下会生成一张粗略的图像,称为数据点云。
Especially since their natural sonar is extremely effective , according to admiral snelson of british naval command .
英国海军司令部的海军上将斯内尔森说,尤其是它们自然发出的声纳波对探测水雷极为有效。
To start with , these gliders will be used individually , to measure underwater conditions that affect things like sonar .
起初,这些水下滑翔机会被单独投入使用,以观测水下环境对声纳等事物所产生的影响。
It really is rocket science-researchers are using huge x-ray scanners from nasa to understand how sonar might be affecting the hearing of large ocean mammals .