声纳浮标网络目标定位算法研究

声纳浮标网络可用于对潜艇等水下目标进行定位。针对声纳浮标节点的特性,提出一种新的时间加权质心算法。新的时间加权质心算法将各个节点探测的信号强度反映到节点发送探测信息的等待时间中,利用等待时间的长短对各节点位置进行加权,因此权重体现了各节点到目标的距离,提高了目标定位精度,而通信量与一般质心算法相同。仿真结果验证了算法的有效性。

Research on Target Locating Based on Networks of Sonobuoy

Networks of sonobuoy can be used to locate underwater target such as submarine.Based on the characteristics of sonobuoy,a new time weighted centroid algorithm is proposed.The new algorithm uses latency time of transmitting sensing data to reflect the received signal strength of nodes and then weight each nodes using corresponding latency time.So,the weight of each node can reflect the distance between the target and each node.Therefore,the algorithm improves the precision of target locating when having the same network traffic as the centroid method.Results of simulations prove the effectiveness of the algorithm.