摘要
为估计无源传感器的角度偏差,在只有角度测量信息的前提下,提出了多无源传感器的在线配准方法.该方法运用几何知识,由传感器测量的多个角度数据得到目标的估计距离,通过估计距离进行在线滤波器的初始化,进而实时估计传感器的角度偏差;并给出了配准模型的Cramer-Rao下限(CRLB).Monte-Carlo仿真表明:该方法能有效地估计无源传感器的角度偏差,同时得到目标航迹.
To acquire bearing errors of passive sensors, an online registration method for them according to bearing-only measurements was presented. The method exerts geometry knowledge to estimate the range of target via multiple measurements to initialize the filter, and then, estimate the bearing errors on line. Moreover, the Cramer-Rao low bound（CRLB）is given. Simulations show the effectiveness of the proposed registration method.
出处
《传感技术学报》
CAS
CSCD
北大核心
2007年第8期1894-1898,共5页
Chinese Journal of Sensors and Actuators
基金
国防"十一五"预研项目资助(51307020204)
关键词
无源传感器
配准
在线估计
角度偏差
passive sensor
registration
online estimate
bearing error
