In order to overcome the problem that the center computer system can’t test and verify the GPS/GNSS telemetry software effectively, the onboard navigation and position data simulation software of center computer system in space tracking ship has been developed. Though the analysis of the task and functional requirement of this software, and based on the mode of integrated testing and drilling in existence, the design goal, deployment type, operation mode and software architecture are put forward. The result shows that this software basically overcomes the disadvantage that the test can only be carried out when the space vehicle was moving. This has utilized in system software design, lower running cost and easy to system integrated commission and test for the follow-through tasks with new type receiver fitted on.%针对测量船中心机无法有效检验验证GPS/GNSS遥测软件的问题，设计一种测量船中心机箭载导航定位数据仿真软件。通过对软件的任务和功能需求分析，在总结测量船现有联调演练方式的基础上，提出了仿真软件的建设目标、部署方式、运行模式以及软件总体架构，并对3个关键技术进行分析。分析结果表明：该软件避免了过去只能在航天器运行时才能检验、验证相应软件是否有缺陷的状况，有利于验证系统软件设计，降低运行成本，也便于后续任务加装新型号接收机的系统联试和测试。
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