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中文摘要：
对某型号卫星桌面联试平台中的数据接口设计与实现进行研究.首先,结合工程需求设计以实时仿真机和星载计算机为中心的桌面联试平台总体结构,并描述平台中各部件之间的接口关系.然后,针对平台中实时仿真机的组成、xPC Target接口编程,接口采样时间,双精度浮点数的接口编码以及CAN总线应用层协议的制定等问题进行研究.最后,通过测试分析验证数据接口方案的有效性与实用性.
英文摘要：
Research on design and implementation of data interfaces in the desktop testing platform for a certain satellite was introduced in this paper.Firstly,to satisfy the engineering requirements,general structure of the platform was designed with the real-time simulator and the on-board computer as its core components,and the interfaces among various components in the platform was described.Then,topic focused on researching problems including constitution of the real-time simulator,programming on interfaces using xPC Target,sample time of the interfaces,encoding double precision floating point number for transmission through interfaces,and design of CAN bus protocol on the application layer.Finally,by analyzing results of the testing experiment,effectiveness and practicality of the data interfaces solution were proved.
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