地形辅助惯性导航系统研究  

Research on Terrain Aided Navigation System

作　　者：马昕[1] 袁信[1] 

机构地区：[1]南京航空航天大学自动控制系

出　　处：《南京航空航天大学学报》1997年第3期289-294,共6页Journal of Nanjing University of Aeronautics & Astronautics

基　　金：国防科技预研基金

摘　　要：介绍了地形辅助惯性导航系统，并对其进行了仿真研究。为了仿真研究的方便，根据地形的统计模型，利用计算机生成了模拟的数字地图。仿真实验验证了用数字地图来辅助惯性导航可以有效地提高导航精度，地形的粗糙度对导航精度有影响。Higher demands have been required for the navigation accuracy of various strategic and tactical weapons.In addition to the high accuracy,the navigation systems should have other features such as all weather,independence,high activeness,high electronic antagonism environment and conceal in the modern wars.Only the integrated navigation systems, in which the inertial navigation system and other navigation devices are optimumly, can satisfy these demands. The terrain aided navigation system is of bright prospects.The paper discribes one of the Terrain Aided Navigation——SITAN and produces the simulated digital maps by computer on the basis of the statistical model of the terrain.The simulation results prove that the navigation accuracy can be improved by using the digital maps to aid the inertial navigation,and influenced by the roughness of the terrain.

关 键 词：惯性导航系统 导航 地形统计模型 随机线性化 

分 类 号：V249.322[航空宇航科学与技术—飞行器设计]