基于神经网络的地形等高线辅助导航
Terrain contour aided navigation based on neural network
摘要
Abstract
Addressing the issues of low accuracy in terrain elevation matching and poor real-time performance in iterative search methods,we propose a neural network-based method for terrain contour-aided navigation.This study focuses on two-dimensional contour feature matching to enhance the robustness of matching algorithms under elevation noise.Considering the rotational and translational invariance characteristics of wavelet transforms,we extract contour edge features using wavelet transform sub-bands.Furthermore,we present a contour edge feature matching algorithm based on neural networks that replaces the conventional iterative search matching process by using multiple sub-networks for classification recognition,greatly enhancing the algorithm's matching accuracy and real-time performance.In comparison to terrain elevation matching,simulation results show that the suggested approach improves the matching success rate by more than 30%and reduces the matching time by more than 97%when compared to iterative search-based terrain contour matching techniques.关键词
组合导航/地形辅助导航/地形等高线匹配/小波变换/神经网络Key words
integrated navigation/terrain aided navigation/terrain contour matching/wavelet transform/neural networks分类
航空航天引用本文复制引用
李睿,汤浔,都岩巍,张睿,许斌..基于神经网络的地形等高线辅助导航[J].北京航空航天大学学报,2026,52(2):524-532,9.基金项目
国家自然科学基金青年项目(62403382) （62403382）
国家自然科学基金重点项目(61933010) （61933010）
中央高校基本科研业务费专项资金资助(G2024KY05106) （G2024KY05106）
深圳市科技创新委员会基金(JCYJ20230807145500002) （JCYJ20230807145500002）
陕西省重点研发计划(2021GXLH-01-13) （2021GXLH-01-13）
陕西省秦创原"科学家+工程师"队伍建设项目(2022KXJ-92) The Youth Program of National Natural Science Foundation of China(62403382) （2022KXJ-92）
The Key Program of National Natural Science Foundation of China(61933010) （61933010）
The Fundamental Research Funds for the Central Universities(G2024KY05106) （G2024KY05106）
Foundation of Science,Technology and Innovation Commission of Shenzhen Municipality(JCYJ20230807145500002) （JCYJ20230807145500002）
Key Research and Development Program in Shaanxi Province(2021GXLH-01-13) （2021GXLH-01-13）
"Scientist+Engineer"Team Building Foundation of Shaanxi Qinchuangyuan(2022KXJ-92) （2022KXJ-92）
