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卫星导航信号仿真系统实时性分析与验证
消耗积分:3 |
格式:rar |
大小:299 |
2009-05-26
丁冬芹
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卫星导航信号仿真系统是一个实时性要求很高的射频信号仿真系统，它主要模拟包含多种信息的高精度射频信号。首先介绍了卫星导航信号仿真系统，与一般的仿真系统相比，它具有三个特点；接着对影响仿真系统实时性的仿真步长、时间函数及网络数据传输等几个因素进行了分析；最后详细地对影响系统实时性的帧溢出数、时间同步精确度等四个指标进行了验证。分析与验证的结果表明：该仿真系统具有很高的实时性，能够满足系统实时仿真的要求。
关键词：卫星导航信号仿真；实时仿真；实时性；验证
Real-time Analysis and Validation for Satellite Navigation Signal Simulation System
YANG Hai-gang，TANG Jian-bing，ZHENG Li-feng (College of Mechatronics Engineering and Automation, National Univ. of Defense Technology, Changsha 410073, China) Abstract: The satellite navigation signal simulation system is a frequency signal one，which simulates the signal of high precision and consisted of diverse information. Firstly, the satellite navigation signal simulation system is introduced; it takes on three characteristics, comparing to generic simulation system. Secondly, several elements such as simulation steptime, time function and network data transfers, which affected real-time quality of simulation system are analyzed. Finally, four real-time quality indexes such as frame overflow, time synchronization etc are validated in detail. By analyzing and validating, the result shows that the simulation system possessing higher real-time quality and it can meet the requirement of real-time simulation for the system.
Key words: Satellite Navigation Signal Simulation; Real-time Simulation; Real-time quality; Validation
关键词：卫星导航信号仿真；实时仿真；实时性；验证
Real-time Analysis and Validation for Satellite Navigation Signal Simulation System
YANG Hai-gang，TANG Jian-bing，ZHENG Li-feng (College of Mechatronics Engineering and Automation, National Univ. of Defense Technology, Changsha 410073, China) Abstract: The satellite navigation signal simulation system is a frequency signal one，which simulates the signal of high precision and consisted of diverse information. Firstly, the satellite navigation signal simulation system is introduced; it takes on three characteristics, comparing to generic simulation system. Secondly, several elements such as simulation steptime, time function and network data transfers, which affected real-time quality of simulation system are analyzed. Finally, four real-time quality indexes such as frame overflow, time synchronization etc are validated in detail. By analyzing and validating, the result shows that the simulation system possessing higher real-time quality and it can meet the requirement of real-time simulation for the system.
Key words: Satellite Navigation Signal Simulation; Real-time Simulation; Real-time quality; Validation
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