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기울기 프로파일을 이용한 일괄처리 방식 지형참조항법의 성능 개선
Perfonnance Improvement of TRN Batch Processing Using the Slope Profile

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Authors
이선민; 유영민; 이원희; 이달호; 박찬국
Issue Date
2012-04
Publisher
제어·로봇·시스템학회 논문지
Citation
Journal of Institute of Control, Robotics and Systems 18(4), pp. 384-390
Keywords
TRNTERCOMMADDTEDINSbatch processing
Abstract
In this papel, we analyzed the navigation error of TERCOM (TErrain COntollr Marching), which is TRN (Terrain
Referenced Navigation) batch processing, caused by scale factor error of radar altimeter and proved the possibility of false
position fix when we use thε TERCOM’s feature matching algorithm, Based on these, we proposed the new TRN batch processing algorithm using the slope measurements of terrain. The proposed technique measures on periodic changes in the
slope of the terrain elevation profile, and these measurements are used in the feature matching algorithm. By using the slope of
terrain data, the impact of scale factor errors can be compensated. By simulation, we verified improved outcome using this
approach compared to the result using the conventional method.
ISSN
1976-5622
Language
Korean
URI
http://hdl.handle.net/10371/76115
DOI
https://doi.org/10.5302/J.ICROS.2012.18.4.384
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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