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Journal of the Korea Institute of Military Science and Technology 2007;10(3):71-78.
An Analysis of Multi-path Propagation Characteristics Using DTM : Considering Slope of the Ground Surface
Joong-Soo Lim, Gyoo-Soo Chae, Min-Nyun Kim
Baekseok University/RDRC
DTM을 이용한 다중경로 전파특성 분석 : 지면의 경사를 고려한 해석
임중수, 채규수, 김민년
백석대학교/전파탐지특화연구센터
Abstract
We suggest a multi-path propagation analysis method using DTM(Digital Terrain Map). Generally, the total signal strength at a target is calculated by adding the field propagated in free space and the field reflected from the ground surface. In this paper, we also consider the vertical reflections associated with the vertical surfaces such as precipitous cliffs and electricity pylons in the mountain area. In addition, we primarily take account the main slope of the ground surface to improve the accuracy of the total field density at the target.
Key Words: Electric field density, Vertical reflection, Radar, Polarization, Multi-path
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