GPS与基于海流数据库的推算船位的数据融合  

Data Fusion between GPS and Calculated Positions Based on Ocean Database

作　　者：莫军[1] 朱海[1] 丁宁[1] 

机构地区：[1]海军潜艇学院山东青岛266071

出　　处：《中国航海》2002年第1期31-36,共6页Navigation of China

摘　　要：当前 ,潜艇在水下可获得的导航信息十分有限。因此 ,如何利用现有的装备来提高水下导航的精度一直是水下导航界关注的热点。本文构造了基于GPS的水面导航信息融合子系统和基于海流数据库的水下导航信息融合子系统。并对两种子系统的联合滤波进行探讨 ,并利用联合滤波来对水下导航信息融合子系统进行修正来提高水下导航信息的精度。经过大量的计算机仿真实验证明。该方法十分有效。大大提高了水下导航的精度和系统的稳定性。At present submarine can not receive enough navigation information and a great attention is always paid on the problem of how to improve precision of underwater positioning with existing equipment in the area of underwater navigation.In this paper a surface data fusion subsystem based on GPS and a underwater data fusion subsystem based on ocean database are constituted. The associated filtering of the two subsystems is also analyzed in the paper. It is proved by a lot of computer simulation that this method is quite effective for improving precision of underwater navigation and stability of system.

关 键 词：GPS 海流数据库 船位 数据融合 水下导航 信息融合 联合滤波 全球定位系统 潜艇 

分 类 号：U675.6[交通运输工程—船舶及航道工程] U674.76[交通运输工程—船舶与海洋工程]