Please use this identifier to cite or link to this item: https://doi.org/10.1109/TAP.2004.824000
Title: Cylindrical vector eigenfunction expansion of Green dyadics for multilayered anisotropic media and its application to four-layered forest
Authors: Li, L.-W. 
Koh, J.-H.
Yeo, T.-S. 
Leong, M.-S. 
Kooi, P.-S. 
Keywords: Dyadic Green's functions (DGFs)
Eigenfunction expansion
Electromagnetic wave propagation
Forest environment
Vector wave functions
Issue Date: Feb-2004
Source: Li, L.-W., Koh, J.-H., Yeo, T.-S., Leong, M.-S., Kooi, P.-S. (2004-02). Cylindrical vector eigenfunction expansion of Green dyadics for multilayered anisotropic media and its application to four-layered forest. IEEE Transactions on Antennas and Propagation 52 (2) : 466-477. ScholarBank@NUS Repository. https://doi.org/10.1109/TAP.2004.824000
Abstract: A complete eigenfunction expansion of the dyadic Green's functions (DGFs) for planar, arbitrary multilayered anisotropic media using cylindrical vector wave functions is presented. These formulations are constructed based on the principle of scattering superposition. For the scattering dyadic Green's function in each layer, the scattering coefficients of TE and TM modes are determined from the boundary conditions matched at the planar interfaces. The explicit representation of the DGFs after reduction to the isotropic case agrees well with the existing results corresponding to the isotropic media. The general DGFs for multilayered anisotropic media are then reduced to those for a four-layered forest where the trunk layer is modeled as anisotropic medium. Application is further made for radio-wave propagation through forests of a four-layered geometry, whereas it is shown how these Green dyadic formulations are used in a practical way and how the field distributions due to a dipole can be obtained.
Source Title: IEEE Transactions on Antennas and Propagation
URI: http://scholarbank.nus.edu.sg/handle/10635/55491
ISSN: 0018926X
DOI: 10.1109/TAP.2004.824000
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