NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS

The problem of anomalous propagation in troposphere has been studied for many years. Various models are available in literature. Among them, the parabolic wave equation (PWE) method is considered most reliable. The standard PWE with appropriate boundary conditions is solved using various numerica...

Full description

Main Author: ,, ASIF IQBAL
Format: Thesis
Language: English
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-utpedia.23031 /
Published: 2012
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access: http://utpedia.utp.edu.my/23031/1/Thesis%20-%20Numerical%20Modeling%20of%20Tropospheric%20Radio%20Wave%20Propagation%20Using%20Wavelets%20-%20Asif%20Iqbal.pdf
http://utpedia.utp.edu.my/23031/
Tags: Add Tag
No Tags, Be the first to tag this record!
id utp-utpedia.23031
recordtype eprints
spelling utp-utpedia.230312022-03-11T04:18:10Z http://utpedia.utp.edu.my/23031/ NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS ,, ASIF IQBAL TK Electrical engineering. Electronics Nuclear engineering The problem of anomalous propagation in troposphere has been studied for many years. Various models are available in literature. Among them, the parabolic wave equation (PWE) method is considered most reliable. The standard PWE with appropriate boundary conditions is solved using various numerical schemes like Splitstep Fourier method and Finite Element/Difference method. However, these techniques are either less accurate and/or computationally more expensive. In this work, two novel wavelet based numerical algorithms are presented for tropospheric radio wave propagation modeling. First, a Wavelet Galerkin Method (WGM) is developed using Daubechies scaling function as basis functions. The discretization process converts PWE to an Ordinary Differential Equation (ODE) which is then solved with Crank-Nicolson (CN) method. Fictitious domain approach is used to incorporate the impedance boundary conditions. It is found that the complexity and computational cost of WGM is almost same as of conventional Finite Element (FE) method and, like FE method, it also requires small range steps for high frequencies. Second, a split-step wavelet method (SSWM) is developed. 2012-07 Thesis NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/23031/1/Thesis%20-%20Numerical%20Modeling%20of%20Tropospheric%20Radio%20Wave%20Propagation%20Using%20Wavelets%20-%20Asif%20Iqbal.pdf ,, ASIF IQBAL (2012) NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS. Masters thesis, Universiti Teknologi PETRONAS.
institution Universiti Teknologi Petronas
collection UTPedia
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
,, ASIF IQBAL
NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
description The problem of anomalous propagation in troposphere has been studied for many years. Various models are available in literature. Among them, the parabolic wave equation (PWE) method is considered most reliable. The standard PWE with appropriate boundary conditions is solved using various numerical schemes like Splitstep Fourier method and Finite Element/Difference method. However, these techniques are either less accurate and/or computationally more expensive. In this work, two novel wavelet based numerical algorithms are presented for tropospheric radio wave propagation modeling. First, a Wavelet Galerkin Method (WGM) is developed using Daubechies scaling function as basis functions. The discretization process converts PWE to an Ordinary Differential Equation (ODE) which is then solved with Crank-Nicolson (CN) method. Fictitious domain approach is used to incorporate the impedance boundary conditions. It is found that the complexity and computational cost of WGM is almost same as of conventional Finite Element (FE) method and, like FE method, it also requires small range steps for high frequencies. Second, a split-step wavelet method (SSWM) is developed.
format Thesis
author ,, ASIF IQBAL
author_sort ,, ASIF IQBAL
title NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
title_short NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
title_full NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
title_fullStr NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
title_full_unstemmed NUMERICAL MODELING OF TROPOSPHERIC RADIO WAVE PROPAGATION USING WAVELETS
title_sort numerical modeling of tropospheric radio wave propagation using wavelets
publishDate 2012
url http://utpedia.utp.edu.my/23031/1/Thesis%20-%20Numerical%20Modeling%20of%20Tropospheric%20Radio%20Wave%20Propagation%20Using%20Wavelets%20-%20Asif%20Iqbal.pdf
http://utpedia.utp.edu.my/23031/
_version_ 1741195897492996096
score 11.62408

Similar Items