Combined IE-FDTD Algorithm for Long-Range Loran-C Ground-Wave Propagation

The integral equation (IE) method and finite-difference time-domain (FDTD) method are combined for the prediction of long-range Loran-C ground-wave propagation. Being capable of modeling the topography details, the combined IE-FDTD algorithm has much better accuracy than the integral equation method...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2012-08, Vol.60 (8), p.3802-3808
Main Authors: Xi, Xiaoli, Zhou, Lili, Zhang, Jinsheng, Liu, Jiangfan, Wang, Lili
Format: Article
Language:English
Subjects:
Algorithms
Antennas
Applied classical electromagnetism
Computational modeling
Delay effects
Electric fields
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Exact sciences and technology
Finite difference method
Finite difference methods
Finite difference time domain method
Finite-difference time domain (FDTD) method
Fundamental areas of phenomenology (including applications)
ground-wave propagation
integral equation method
Integral equations
Loran-C
Mathematical model
Mathematical models
Physics
Time domain analysis
Topography
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Summary:The integral equation (IE) method and finite-difference time-domain (FDTD) method are combined for the prediction of long-range Loran-C ground-wave propagation. Being capable of modeling the topography details, the combined IE-FDTD algorithm has much better accuracy than the integral equation method. On the other hand, it saves computational resources dramatically as compared to a full FDTD solution. Measurement results along two paths between Xuancheng and Songshan China are used to validate the proposed algorithm.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2201102