Water Sound Against The Three-channel Visual Simulation System Development

The research, exploitation and application of the 3-Channel Visual Simulation System of'the Underwater Acoustic Counterwork (TCVS) is one of the most important tasks for the development and construction of navy equipments at present. Connecting to the engineering application, with the modern information technology, the virtual underwater combat environment has been simulated, which possesses high value. The approaches of the whole system and the result analysis of the simulation test have also been presented. The work in this thesis focuses on the design, exploitation and realization of the TCVS. The main research and achievements are as follows:(1)The developing environment of software associate with MFC, OpcnGL and OpenGVS, which establish the virtual combat environment of the underwater acoustic counterwork with three-dimensional visual simulation and sound, etc. The problem of Chinese character display under OpenGVS has been solved, and the assistant charts have been used to show the parameter of underwater combat.(2)The technology of 3-channel display has been studied and implemented. Three sub-channel nodes not only can be put together to display the composite image which can broaden the whole virtual scene, but also can display the different image which approve the user to observe in different angle.(3)The fractal algorithm has been deeply analyzed and studied, so that the model of random seabed terrain can be generated in real-time. The thesis analyzed and studied the method of generating terrain model with true terrain data and generated the model of true seabed terrain realistically. The models of seabed terrain are very vivid, which have been generated with these two methods, and they can be switched at will in the scene.(4)A multi-viewpoint, multi-angle, omnidirectional observation method has been presented, and a local or whole observation method has also been established. It is significantly convenient for users to observe simulation course not only totally but also partly.(5)The function of recording and replaying the simulation course has been designed and accomplished, which can help the observer to repeatedly observe, evaluate and analyze the whole simulation course.TCVS integrated the traditional simulation computation with the virtual environment. It is an important part for studying and experimenting in the virtual underwater weapon combat environment.