一种基于蓝绿光的水下实时通信、定位与授时系统及方法

本发明提供一种基于蓝绿光的水下实时通信、定位与授时系统及方法，解决现有采用无线电波或电磁波或声波进行水下通信、定位、授时服务均不同程度存在很多无法解决的缺陷和技术问题。系统包括信标节点组网单元、蓝绿光通信设备和水面监测单元；信标节点组网单元包括分布于水下工作区域内的多个信标节点，相邻两个信标节点间通过网络连接；水面监测单元与信标节点组网单元通过网络互联通信；蓝绿光通信设备搭载在水下运动平台上，包括水密封壳体、封装在水密封壳体内且与距离最近信标节点建立水下无线蓝绿光通信链路的蓝绿光通信与测距一体化单元、计算出水下运动平台位置信息的定位单元、对水下运动平台时钟进行精准授时的授时单元。 The invention provides an underwater real-time communication, positioning and time service system and method based on blue-green light. The system and method solve many defects and technical problems which cannot be solved to different degrees when radio waves or electromagnetic waves or sound waves are adopted for underwater communication, positioning and time service in the prior art. The system comprises a beacon node networking unit, blue-green optical communication equipment and a water surface monitoring unit, the beacon node networking unit comprises a plurality of beacon nodes distributed in an underwater working area, and every two adjacent beacon nodes are connected through a network; the water surface monitori