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Propagation modelling in troposphere using paraxial form of Helmholtz equation

Propagation modelling in troposphere using paraxial form of Helmholtz equation

Arshad, Kamran, Katsriku, Ferdinand and Lasebae, Aboubaker (2005) Propagation modelling in troposphere using paraxial form of Helmholtz equation. In: Microwave Conference Proceedings, 2005. APMC 2005. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA. ISBN 078039433X (doi:10.1109/APMC.2005.1606373)

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Abstract

A new beam propagation method is developed based on direct approximations of Helmholtz equation. In this work, the Helmholtz equation applied on radiowave tropospheric propagation, properly manipulated, and resulting in a one dimensional form, is solved using finite element method. By using this method, horizontal and vertical tropospheric characteristics are assigned to every element, and different refractivity profiles can be entered at different stages. We also implement some abnormal environmental conditions to assess our method, and investigate ducting phenomena in troposphere.

Item Type: Conference Proceedings
Title of Proceedings: Microwave Conference Proceedings, 2005. APMC 2005
Additional Information: [1] This paper was presented at the Microwave Conference 2005 (APMC 2005) held from 4-7 December 2005 in Suzhou, China.
Uncontrolled Keywords: Helmholtz equations, finite element analysis, radiowave propagation, troposphere, tropospheric electromagnetic wave propagation, beam propagation method, ducting phenomena, finite element method, horizontal tropospheric characteristics, radiowave tropospheric propagation, refractivity profiles, vertical tropospheric characteristics, acoustic beams, acoustic propagation, geometrical optics, optical propagation, optical refraction, partial differential equations, ray tracing, refractive index, terrestrial atmosphere
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 14 Oct 2016 09:27
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/11314

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