首页|期刊导航|自动化学报|基于HMM的地形高度匹配算法

基于HMM的地形高度匹配算法

冯庆堂沈林成常文森叶媛媛

自动化学报2005，Vol.31Issue(6)：960-964,5.

基于HMM的地形高度匹配算法

An HMM Based Terrain Elevation Matching Algorithm

冯庆堂 ¹沈林成 ²常文森 ²叶媛媛²

作者信息

1. State Key Laboratory of Intelligent Technology and Systems, Tsinghua University, Beijing 100084
2. School of Electromechanical Engineering and Automation, National University of Defense Technology, Hunan 410073
折叠

摘要

Abstract

Terrain-aided navigation (TAN) uses terrain height variations under an aircraft to render the position estimate to bound the inertial navigation system (INS) error. This paper proposes a new terrain elevation matching(TEM) model, viz. Hidden-Markov-model(HMM) based TEM (HMMTEM) model. With the given model, an HMMTEM algorithm using Viterbi algorithm is designed and implemented to estimate the position error in INS. The simulation results show that HMMTEM algorithm can better improve the positioning precision of autonomous navigation than SITAN algorithm.

关键词

TAN/TEM/HMM/Viterbi algorithm/INS

Key words

TAN/TEM/HMM/Viterbi algorithm/INS

分类

信息技术与安全科学

引用本文复制引用

冯庆堂,沈林成,常文森,叶媛媛..基于HMM的地形高度匹配算法[J].自动化学报,2005,31(6):960-964,5.

基金项目

Supported by National Natural Science Foundation of P. R. China (10577012), National Grand Fundamental Research "973" Program of P. R. China (5130801) （10577012）

自动化学报

OA北大核心CSCD

ISSN：0254-4156

访问量0

下载量0

段落导航