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On the basis of mounting LCD, VGA and PS/2 mouse to the Avalon bus, the paper ports μC/GUI to the LCD in the system based on Nios II. It also creatively ports μC/GUI to the VGA display, and implements feature of supporting PS/2 mouse. These effectively solve the problem of humanmachine interface in Nios II system.

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Abstract.A simulation training system for the multi-element observation system integrating several observation subsystems is constructed in this paper by applying the distributed simulation with a combination of virtual simulation and semi-physical simulation. The simulation system is designed for providing the basic services of training scene and visual synchronization for the clients of all observation equipment, developing the simulation software at the clients for simulating observation, and utilizing a general transmission platform to comprehensively realize the simulation training functions of interconnection to the information system and observation. The design of such a training system is expatiated in this paper.