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|Title:||Multipath propagation of radio waves in 3-dimensional terrains|
|Source:||Kam, K.-Y.,Chew, L.-Y.,Li, L.-W. (2001). Multipath propagation of radio waves in 3-dimensional terrains. Journal of Electromagnetic Waves and Applications 15 (3) : 411-431. ScholarBank@NUS Repository.|
|Abstract:||A 3-Dimensional (3D) deterministic wave propagation model is developed to study signal propagation in natural 3D terrains in the frequency range of VHF/UHF. The propagation model is based on the physical principles of Geometrical Optics (GO) and the Uniform Geometrical Theory of Diffraction (UTD). Significant ray-paths and their EM field properties at the observation point are computed efficiently from the physical theory. For the initial model, a simple 3D terrain consisting of a single mountain modelled by a dielectric circular cylinder with ground plane on both sides of the cylinder is considered. Currently, the UTD formulation for the 3D dielectric circular cylinder is not available. In this paper, the UTD formulation for the 3D dielectric circular cylinder is obtained from the direct generalisation of the UTD formulation for the 2D case.|
|Source Title:||Journal of Electromagnetic Waves and Applications|
|Appears in Collections:||Staff Publications|
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