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|Title:||Full-wave analysis of mixed-mode propagation in forest environment|
|Authors:||Li, Le-Wei |
|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|
|Appears in Collections:||Staff Publications|
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