基于散射体信息的单站内三角形质心定位算法Inner triangle centroid positioning algorithm based on scatterer information for single station
赵良站,毛永毅,徐萍
摘要(Abstract):
针对单站定位精度不高的问题,提出基于散射体信息的单站内三角形质心定位算法。首先运用合成运动的扩展卡尔曼滤波算法对圆轨迹拟合法所估计出的散射体位置与散射体到达目标位置的距离进行优化;然后将所估计出的散射体作为虚拟观测站,再根据引入可信度算子的内三角形质心定位算法削弱测距极大误差对定位结果的影响;最后即可定位出目标位置。仿真结果表明,该算法能够有效提高定位精度,算法复杂度小且具有良好的稳定性。
关键词(KeyWords): 合成运动;散射体;伪目标;可信度算子;内三角形质心算法;算法复杂度
基金项目(Foundation): 陕西省自然科学基金资助项目(2014JM2-6088)~~
作者(Author): 赵良站,毛永毅,徐萍
DOI: 10.16652/j.issn.1004-373x.2018.18.024
参考文献(References):
- [1]YANG T C,YU C Q,WANG T P,et al.A single observer location method under the scatter signals position disturbance situation:the constraint total least square method[J].Science China:information sciences,2011,54(1):146-152.
- [2]田明辉,马敏.基于相位差的机载单站无源定位算法[J].太赫兹科学与电子信息学报,2016,14(2):190-194.TIAN Minghui,MA Min.An algorithm research for air-borne single observer passive locating based on phase difference[J].Journal of Terahertz Science and Electronic Information Technology,2016,14(2):190-194.
- [3]田由甲,张冠杰.基于多普勒频率变化率的固定单站定位算法研究[J].无线电通信技术,2016,42(4):61-64.TIAN Youjia,ZHANG Guanjie.Research on fixed single station location algorithm based on Doppler frequency variation rate[J].Radio communications technology,2016,42(4):61-64.
- [4]赵拥军,赵勇胜,赵闯.基于正则化约束总体最小二乘的单站DOA-TDOA无源定位算法[J].电子与信息学报,2016,38(9):2336-2343.ZHAO Yongjun,ZHAO Yongsheng,ZHAO Chuang.Singleobserver passive DOA-TDOA location based on regularized constrained total least squares[J].Journal of electronics&information technology,2016,38(9):2336-2343.
- [5]陆音,项政,丘觐玮.基于MIMO的单基站混合定位算法研究[J].微型机与应用,2016,35(6):72-74.LU Yin,XIANG Zheng,QIU Jinwei.Study on hybrid location algorithm of single base station based on MIMO[J].Microcomputer&its applications,2016,35(6):72-74.
- [6]屈保平,袭著有,陈长衍.一种NLOS环境下基于散射模型的TOA定位方法[J].火力与指挥控制,2014,39(5):27-30.QU Baoping,XI Zhuyou,CHEN Changyan.A method for TOA location based on scattering models in NLOS environments[J].Fire control&command control,2014,39(5):27-30.
- [7]YANG T C,JIN L.Single station location method in NLOS environment:the circle fitting algorithm[J].Science China:information sciences,2011,54(2):381-385.
- [8]杨天池,程娟,邵奇峰,等.单站定位中的散射体位置及散射距离的估计方法:的扩展卡尔曼估计[J].电子学报,2014,42(4):730-735.YANG Tianchi,CHENG Juan,SHAO Qifeng,et al.The estimation of the scatterer position and scattering distance in the single station location:the EKF estimation based on synthetic motion[J].Acta Electronica Sinica,2014,42(4):730-735.
- [9]魏培,姜平,贺晶晶,等.基于内三角形质心算法的超宽带室内定位[J].计算机应用,2017,37(1):289-293.WEI Pei,JIANG Ping,HE Jingjing,et al.Ultra wideband indoor localization based on inner triangle centroid algorithm[J].Journal of computer applications,2017,37(1):289-293.
- [10]ASZTELY D.On antenna arrays in mobile communication systems:fast fading and GSM base station receiver algorithms[D].Stockholm:Royal Institute of Technology,1996.
- [11]刘玉军,蔡猛,高立恒,等.基于RSSI测距的传感器节点质心定位修正算法[J].计算机测量与控制,2014,22(9):2860-2862.LIU Yujun,CAI Meng,GAO Liheng,et al.Algorithm of multi-sensors centroid localization and modification based on RSSI[J].Computer measurement&control,2014,22(9):2860-2862.