文档介绍：安徽建筑工业学院
毕业设计(论文)
专业电子与信息工程
班级 07电子2班
学生姓名熊才俊
学号 07205010206
课题地磁导航方法的研究与倾斜补偿式数字罗盘的设计
—地磁导航原理与导航算法研究
指导教师金海红
2011 年 6 月 5 日
地磁导航方法研究与倾斜补偿式磁罗盘的设计
——地磁导航的原理与导航算法研究
院系:电子与信息工程学院系别:电子与信息工程
姓名:熊才俊学号:07205010206
班级:07电子2班导师:金海红
摘要
地磁场是地球的固有资源,为航空、航天、航海提供了天然的坐标系。利用地球磁场空间分布的磁导航技术简便高效、性能可靠、抗干扰,一直是不可缺少的基本导航定位手段,广泛应用于航海、海上平台控制、GPS集成死区推估等方面。本课题从研究地磁导航的必要性出发,对地磁导航的国内外研究现状进行了总结概括,作为地磁导航的基础理论,本文在简要介绍相关的地磁场理论的基础上,概述了地磁模型的建立及分析方法。在研究地磁导航的方法原理、用途及其发展现状的基础上,针对基于地磁场的导航方法与地磁信息获取等问题研究地磁导航原理与导航算法,给出了地磁信息的获取手段和利用磁阻效应检测地球磁场的方法。最后根据地磁数据处理方式的不同,从地磁匹配和地磁滤波两个方面对地磁导航技术的主要导航算法进行了分析。分别分析了地磁匹配理论和地磁滤波理论,总结了地磁匹配基本算法和地磁滤波算法,并对地磁滤波算法中的卡尔曼滤波进行了算法仿真。
关键词:地磁导航地磁匹配地磁滤波地磁场模型组合导航
Abstract
For aviation, aerospace, navigation, earth's ic field which is the earth's natural resources provides natural coordinates. ic navigation technology which uses the earth's ic field space distribution is simple and efficient, reliable performance, strong anti-jamming, and it always is indispensable basic navigation and positioning method .Also it is widely used under the sea, offshore platforms control and GPS integration dead zone estimate, etc. This topic from research which bases on the necessity of ic navigation of ic navigation of domestic, summarizes generalizations. As the basic theory of ic navigation, this paper briefly introduces the related based on the theory of ic field and summarizes the ic model and analysis method. In the study of the method of ic navigation principle sand the present situation of its development, the navigation, which based on ic method and problems of ic information acquisition of ic navigation principles and navigation algorithms, gives the ic data acquisition method and the use of ic resistance effect detection method of the earth's ic field. Finally, according to the different methods of ic data processing, it analyzes the main navigation of ic navigation technology from two aspects of ic matching algorithm and ic filtering. Also it analyzes respectively of ic match