【摘要】 论述了实时嵌入式系统中有关实时性的几个基本概念 ,分析了中断嵌套和任务调度的工作原理 ,在此基础上提出了改善实时性能的设计和实现方法 .这些方法在双星定位系统用户机软件设计和实现中得到充分利用 ,大大提高了系统的实时性能 .用户机嵌入式操作系统平台为DeltaOS .更多还原

【Abstract】 This paper introduced the concepts based on real-time capability, the principle of interrupt nesting and task scheduling , and presented design and realization methods to improve real-time capability. These methods were used for twin-star position system in RTOS of DeltaOS.更多还原