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基于HMM的地形高度匹配算法

冯庆堂,  沈林成,  常文森,  叶媛媛

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文章导航 > 自动化学报  > 2005 >  31(6): 960-964
冯庆堂, 沈林成, 常文森, 叶媛媛. 基于HMM的地形高度匹配算法. 自动化学报, 2005, 31(6): 960-964.
引用本文: 冯庆堂, 沈林成, 常文森, 叶媛媛. 基于HMM的地形高度匹配算法. 自动化学报, 2005, 31(6): 960-964.
shu
FENG Qing-Tang, SHEN Lin-Cheng, CHANG Wen-Sen, YE Yuan-Yuan. An HMM Based Terrain Elevation Matching Algorithm. ACTA AUTOMATICA SINICA, 2005, 31(6): 960-964.
Citation: FENG Qing-Tang, SHEN Lin-Cheng, CHANG Wen-Sen, YE Yuan-Yuan. An HMM Based Terrain Elevation Matching Algorithm. ACTA AUTOMATICA SINICA, 2005, 31(6): 960-964.
shu

基于HMM的地形高度匹配算法

  • 1.

    State Key Laboratory of Intelligent Technology and Systems, Tsinghua University, Beijing 100084

详细信息
    通讯作者:

    冯庆堂

An HMM Based Terrain Elevation Matching Algorithm

  • 1.

    State Key Laboratory of Intelligent Technology and Systems, Tsinghua University, Beijing 100084

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    Corresponding author: FENG Qing-Tang

    摘要
  • 摘要: 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.
    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.
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出版历程
  • 收稿日期:  2004-02-09
  • 修回日期:  2005-07-15
  • 刊出日期:  2005-11-20

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