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Journal of Projectiles, Rockets, Missiles and Guidance >

2013 , Vol. 33 >Issue 3: 12 - 16

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2013.03.051

MISSILES AND GUIDANCE TECHNOLOGY

The Analysis on Underwater Terrain Matching Algorithm Based on Point-mass Filter

  • LIU Hong ,
  • GAO Yongqi ,
  • ZHANG Yi
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  • Department of Weaponry Engineering, Naval University of Engineering, Wuhan 430033, China

Received date: 2012-07-12

  Online published: 2025-05-26

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Abstract

Due to probability density function dividing zero and appearing matching outliers of point-mass filter algorithm in application, firstly, the reason of dividing zero was analyzed from algorithm principle and the solution was proposed. Then judgment criterion was introduced to prevent matching outliers, the best value was got through analyzing the value of judgment criterion under different resolution in the search area. Finally, the improved PMF algorithm was simulated to analyze terrain adaptability in underwater terrain matching navigation based on these, result shows the algorithm has a good feasibility and adaptability.

Key words： PMF algorithm; terrain matching; terrain adaptability; navigation

Cite this article

LIU Hong , GAO Yongqi , ZHANG Yi . The Analysis on Underwater Terrain Matching Algorithm Based on Point-mass Filter[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2013 , 33(3) : 12 -16 . DOI: 10.15892/j.cnki.djzdxb.2013.03.051

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