Abstract
In order to study the performance of satellite navigation system, such as satellite constellation coverage performance, signal links, time system and so on, it is necessary to build the mathematics simulation system for satellite navigation systems. The simulation system of the passive regional satellite navigation system (PRSNS) based on High Level Architecture (HLA) is introduced in this paper. An independent atomic clock federate is designed for solving the problem of consistency between the run-time infrastructure (RTI) simulation time system and the satellite navigation time system. Data Distribution Management services of RTI are used to improve the network communication speed. The three-level design pattern (TLDP) is proposed for the software design and development of the simulation system. The simulation system meets the requirements of the simulation and evaluation for the PRSNS. The research results are of great value to the realization of Chinese next generation of satellite navigation system.
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