人类生来就对浩瀚的大海充满了好奇。当人类学会了在海上怎样航行时,还不能定位和识别浪花下的物体和生物。海军和海运业要求能进行水下观察,如水下导航、搜索与测量、监视与威胁探测、水下修复与环境监测等。声纳系统对于某些水下应用是有效的,而在其它方面,特别是在浅水区探测海底则无能为力。激光技术却使人类能够比以往任何时候都更加清晰地看到更深邃的水下世界。 Humans are born curious about the vastness of the sea. When humans learn how to sail at sea, they can not locate and recognize objects and creatures under the waves. Naval and maritime operations require underwater observations such as underwater navigation, search and measurement, surveillance and threat detection, underwater repair and environmental monitoring. Sonar systems are effective for some underwater applications, but are otherwise powerless, especially in shallow water. Laser technology has enabled humans to see a deeper underwater world more clearly than ever before.