基于TDOA的短基线测向精度分析与仿真  

Analysis and Simulation on Direction Finding Precision of Short Baseline Based on TDOA

作　　者：邱丙益[1] 盛莹[1] 刘春茂[1] 

机构地区：[1]中国人民解放军63888部队

出　　处：《无线电通信技术》2013年第1期67-69,共3页Radio Communications Technology

摘　　要：根据TDOA短基线测向原理,分析了影响其测向精度的因素,包括基线长度、基线长度测量误差、时差测量值和时差测量精度,并进一步研究了不同时差测量法下,影响时差测量精度的因素。在此基础上,对各因素造成的测向精度变化大小进行了仿真研究,得出提高短基线测向方法测向精度的结论,指出该测向方法的适用范围。This paper analyzes the factors of affecting direction finding precision based on the direction finding theory of TDOA short baseline. The factors include baseline lengths, baseline length measurement error, time difference measurement values and time difference measurement precision. In more detail, the factors which affecting time difference measurement precision were studied in accordance with different time difference measurement values. This paper simulates the size of influence factors and obtains the scope of application of this direction finding method.

关 键 词：TDOA 短基线 平面波 前沿检测法 相关法 

分 类 号：TN911.7[电子电信—通信与信息系统]