一种改进的圆阵干涉仪解模糊算法  

An improved ambiguity-solving algorithm of circular array interferometer

作　　者：陶琴[1] 潘英锋[1] 吴峻岩 TAO Qin;PAN Yingfeng;WU Junyan(Air Force EarlyWarning Academy,Wuhan 430019, China)

机构地区：[1]空军预警学院,武汉430138

出　　处：《空军预警学院学报》2017年第2期117-120,共4页Journal of Air Force Early Warning Academy

摘　　要：为有效提高五元均匀圆阵干涉仪测向精度,基于五元均匀圆阵干涉仪测向原理对模糊数和测向精度进行了分析,提出一种改进解模糊算法.该方法利用圆阵干涉仪的五组短基线组进行测向解模糊,然后结合测向精度最高的一组长基线组测向进一步提高测向精度,最后给出了仿真结果.理论和仿真分析验证了该方法能在一定程度上降低解模糊运算量,有效地提高了测向精度.In order to escalate the direction-finding accuracy of five-unit uniform circular array interferometer,this paper analyzes the fuzzy number and direction-finding accuracy on the basis of direction-finding principle of five-unit uniform circular array interferometer,and proposes an improved ambiguity-solving algorithm.This algorithm makes use of five short baseline groups of array interferometer to solve ambiguity,and then improves the direction-finding accuracy by combining the long baseline group with the highest accuracy.Finally the paper offers simulation results.Theoretical analysis and the simulation demonstrate that this method helps reduce the computation burden to a certain extent and effectively improve the accuracy of direction-finding.

关 键 词：圆阵干涉仪 解模糊算法 测向精度 解模糊运算量 

分 类 号：TN971[电子电信—信号与信息处理]