西安电子科技大学学报（自然科学版）2019，Vol.46Issue(1)：1-7,7.DOI:10.19665/j.issn1001-2400.2019.01.001
误差修正的声源目标混合定位算法
Hybrid location algorithm for the acoustic source based on error correction
摘要
Abstract
Aiming at the problem that due to the influences of non line-of-sight(NLOS)propagation,the multipath effect and other factors,the location system is liable to low accuracy with large errors.A hybrid location algorithm for the acoustic source based on error correction(ECHL)and time difference of arrival (TDOA)is proposed.First,by correcting the weighted matrix of weighted least square(WLS)dynamically this algorithm can be used to obtain the initial value of Taylor series iteration,so as to achieve the purpose of reducing the number of times of iteration.Second,the influence of the time delay with larger errors on the positioning accuracy is eliminated by combining the algorithm for latter selection time delay with the standardized residual function.Then the optical positioning solution of TDOA integration is chosen. Finally,the target position is determined by the standardized residual weighting.Simulation results show that the proposed method can considerably outperform the single method,effectively restrain the NLOS error and improve the positioning accuracy compared with reference methods.关键词
到达时差/加权最小二乘/权值修正/泰勒级数/后项时延选择/误差修正Key words
time difference of arrival/weighted least square/weight correction/Taylor series/latter selection of time delay/error correction分类
信息技术与安全科学引用本文复制引用
齐小刚,袁列萍,刘立芳..误差修正的声源目标混合定位算法[J].西安电子科技大学学报（自然科学版）,2019,46(1):1-7,7.基金项目
国家自然科学基金(61877067,61572435),西安市科技创新项目(201805029YD7CG13-6) （61877067,61572435）
宁波市自然科学基金(2016A610035,2017A610119) （2016A610035,2017A610119）
