Proceedings ArticleDOI
Propagation modelling in troposphere using paraxial form of Helmholtz equation
Kamran Arshad,Ferdinand Apietu Katsriku,Aboubaker Lasebae +2 more
- Vol. 2, pp 1-4
TLDR
In this paper, a beam propagation method is developed based on direct approximations of the Helmholtz equation applied on radiowave tropospheric propagation, properly manipulated, and resulting in a one dimensional form, is solved using finite element method.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 troposphereread more
Citations
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Journal ArticleDOI
Numerical Modeling of the Radio Wave Over-the-Horizon Propagation in the Troposphere
Min-Qiang Xu,Melad M. Olaimat,T.Y. Tang,Omar M. Ramahi,Maged A. Aldhaeebi,Zhu Jin,Ming Yi Zhu +6 more
TL;DR: In this article, a numerical method is presented to estimate the propagation path of the radio wave in the troposphere using atmospheric data, which include pressure, temperature, relative humidity and water vapor pressure.
References
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Book
The Finite Element Method in Electromagnetics
TL;DR: The Finite Element Method in Electromagnetics, Third Edition as discussed by the authors is a leading textbook on the finite element method, incorporating major advancements and further applications in the field of electromagnetic engineering.
The finite element method in electromagnetics
TL;DR: In this article, a self-adaptive mesh scheme is presented in the context of the quasi-static and full-wave analysis of general anisotropic multiconductor arbitrary shaped waveguiding structures.
Book
Parabolic Equation Methods for Electromagnetic Wave Propagation
TL;DR: In this paper, the authors present the application of parabolic equation methods in electromagnetic wave propagation and describe simple parabolic equations for domain truncation, the treatment of impedance boundaries and the implementation of very fast hybrid methods combining ray-tracing and paraboloid equation techniques.
Book ChapterDOI
The parabolic approximation method
TL;DR: This article has dealt with various aspects of parabolic approximation methods in underwater acoustics, mostly for propagation of sinusoidal signals, and extensions to time-dependent problems are also available: pulse propagation, moving sources and receivers, frequency shifting effects due to rapid temporal variations of oceanic conditions, and so forth.
Journal ArticleDOI
A terrain parabolic equation model for propagation in the troposphere
TL;DR: In this article, a method to model tropospheric radiowave propagation over land in the presence of range-dependent refractivity is presented, based on the split-step Fourier algorithm to solve the parabolic wave equation.