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中文摘要：
采用Open Inventor作为三维建模和视景仿真的工具,构建了一套海洋环境动态仿真系统。本系统利用声纳等水下数据采集设备实时获取的海洋数据信息（如海底深度、海洋底质类型及其声学参数、舰艇潜艇位置信息等）构建三维海洋环境。本系统不仅可以满足多个用户对当前海洋环境实时仿真的需求,还允许用户能够根据各自的需求进行不同场景的定点、定时回放,并实现播放、暂停、快退、停止等功能。本系统在南海浅信区进行了海试试验。试验结果表明,此仿真系统可以取得非常逼真的仿真效果。
英文摘要：
The dynamic simulation system of the marine environment was constructed with Open Inventor.The platform was employed for the construction of 3D models and the simulation of marine environment.The system uses the data which are acquired by underwater devices to build the 3D marine environment.The system can not only meet the requirements of simulating the marine environments for multiple users,but also allows users to view the scenes of different position or different time according to their own requirements.Some functionalities,including play,pause,fast-backward,and stop,are also well supported.The System was tested in the shallow areas of the South China Sea.The test results show that the system meets the requirements of real-time and realistic simulation,and achieves a good simulation result.
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The time-delay estimation method od resolving left-right target ambiguity for twin-line array and it
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