三站时差定位模糊问题解决方法  

Solution on Ambiguity of Time Difference Location System of Three Stations

作　　者：袁罡[1] 陈鲸[1] 

机构地区：[1]西南电子电信技术研究所,成都610041

出　　处：《中国电子科学研究院学报》2014年第1期89-92,共4页Journal of China Academy of Electronics and Information Technology

摘　　要：三站时差定位系统对辐射源进行定位过程中会出现定位模糊及无解的情况,通过对模糊无解特征的研究,发现了长期对时差定位模糊无解认识存在的误区。基于模糊无解的特征,提出了模糊问题的解决方法。仿真结果表明,不需增加系统复杂性,即可有效的解决定位模糊问题。It is clear that multiple roots or no solution may be appear when solving the equation of time difference location system of three stations, It is found that the views on ambiguity solution of time differ- ence location is wrong by researching on the characteristic of multiple roots. A new solution on ambiguity problem is proposed based on the characteristic of rnuhiple roots. Simulations demonstrate the ambiguity problem is resolved and its performance is proved.

关 键 词：无源定位 到达时差 模糊 TDOA 

分 类 号：TN953[电子电信—信号与信息处理]