摘要
针对水下无源导航 (地形辅助导航 )系统的特点 ,充分利用各种海洋地理特征传感器获取信息 ,进行数据预处理、算法分析、性能评估 ,然后进行智能数据融合 ,进而完成水下无源导航系统模块化的仿真设计 ,为水下无源导航系统的进一步研究提供可行的方法和技术。仿真结果表明 ,采用水下地形匹配辅助导航 ,能够有效地修正惯导误差达到设计要求 ,为真实海洋环境下的精确导航提供可靠的技术依据。
In view of the characteristics of autonomous underwater navigation (terrain_aided one) system,a series of data pretreatment,algorithm analysis,performance evaluation and intelligent data fusion are dealt with,which comes form the geographical characteristics of ocean sensors.Then the simulation design of autonomous underwater navigation system is finished.These work provided the feasible design project and technological ideas for the further research of underwater autonomous navigation system.According to the simulation results,the assistant navigation with underwater terrain matching can amend the errors of inertial navigation effectively and its main goals of the design are achieved.In this way,accurate navigation in the actual ocean will be located on its reliable technology — the underwater navigation matching with terrain #aided one.
出处
《武汉大学学报（信息科学版）》
EI
CSCD
北大核心
2003年第2期153-157,共5页
Geomatics and Information Science of Wuhan University
关键词
无源导航
仿真
匹配算法
水下导航
autonomous navigation
system simulation
inertial navigation system
underwater navigation
matching algorithm
