Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/72647
Title: Full-wave analysis of mixed-mode propagation in forest environment
Authors: Li, Le-Wei 
Kooi, Pang-Shyan 
Yeo, Tat-Soon 
Leong, Mook-Seng 
Koh, Jin-Hou
Issue Date: 1997
Source: Li, Le-Wei,Kooi, Pang-Shyan,Yeo, Tat-Soon,Leong, Mook-Seng,Koh, Jin-Hou (1997). Full-wave analysis of mixed-mode propagation in forest environment. Asia-Pacific Microwave Conference Proceedings, APMC 3 : 997-1000. ScholarBank@NUS Repository.
Abstract: The electromagnetic radiation of an electric dipole in a medium with four layers is examined using dyadic Green's functions in their vector wave eigenfunction expansion forms. In this four-layered model, two lossy dielectric layers are used to represent the canopy and trunks of vegetation that covers the ground plane. The dyadic Green's functions for four-layered medium are first applied to derive the integral expression of the electric fields. Asymptotic evaluations of the integrals are then made using the steepest descent method, and the branch-cut integrations in complex planes; and correspondingly the direct wave, multi-reflected waves, and lateral waves along various interfaces have been obtained. Numerical calculations of the transmission losses in the presence of vegetation have been carried out for typical forest.
Source Title: Asia-Pacific Microwave Conference Proceedings, APMC
URI: http://scholarbank.nus.edu.sg/handle/10635/72647
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