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we first analyze the requirements of a satellite navigation signal simulation system from the points of view of simulation architecture, real-time calculation, distributed data communication, and real-time simulation engine. Then we propose a general-purpose architecture for the satellite navigation signal simulation system. It consists of the non-real-time layer, the weak real-time layer, the strong real-time layer, and the rigid real-time layer. Finally, we study the general-purpose simulation management and control issues such as experiment design and management, simulation database, simulation management techniques, and system scalability. [ABSTRACT FROM AUTHOR]

To satisfy the real-time requirements of some real-time distributed simulation applications, we first analysis real-time requirements from the points of view of the simulation architecture, real-time calculation, distributed data communication and real-time simulation engine. Then we propose a four-layered simulation management architecture, which consists of the non real-time layer, the weak real-time layer, the strong real-time layer and the rigid real-time layer. The simulation management and control issues such as experiment design and management, simulation database, simulation management technique, system scalability are also studied. [ABSTRACT FROM AUTHOR]