飞行器编队网络测距技术研究

Research on ranging technique for spacecraft formation flying network

针对飞行器编队自主测控中的网络测距问题,在通过TDMA方式实现网络通信的同时,完成高精度时频同步与测距功能,测距精度可达厘米级。详细论述网络测距的基本原理,对测距误差展开分析,并在此基础上讨论网络测距功能与网络协议的关系。

For the ranging problem in spacecraft formation flying network under autonomous TT&C, a high accuracy ranging method in TDMA communication is presented. The nodes in network can implement ranging process with each other without interrupting their communication. The accuracy of the ranging method can reach centimeter level. The principle of the ranging method is discussed in detail and the error sources are analyzed.