Loran-C ground-wave propagation prediction based on the hybrid FDTD algorithm

The hybrid FDTD algorithm is proposed for long-range Loran-C ground-wave propagation prediction, especially for the complex path. In this paper, the computational domain is divided into two parts, the ordinary FDTD method with fine-grid and higher-order FDTD with coarse-grid are combined for the pre...

Full description

Saved in:
Bibliographic Details
Published in2016 IEEE Conference on Electromagnetic Field Computation (CEFC) p. 1
Main Authors Pu Yurong, Zhou Lili, Xi Xiaoli, Liu Jiangfan, Gu Yan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2016
Subjects
Algorithm design and analysis
Computational efficiency
Electrical engineering
Electromagnetic fields
FDTD
Finite difference methods
ground-wave propagation
Hybrid FDTD algorithm
Loran-C
Prediction algorithms
Time-domain analysis
Online AccessGet full text

Cover

More Information
Summary:The hybrid FDTD algorithm is proposed for long-range Loran-C ground-wave propagation prediction, especially for the complex path. In this paper, the computational domain is divided into two parts, the ordinary FDTD method with fine-grid and higher-order FDTD with coarse-grid are combined for the prediction. The subgrid technique is introduced to analyze and transfer the electromagnetic fields of different domain. The results show that the proposed algorithm improves computational efficiency greatly while maintaining comparable accuracy with the traditional FDTD using high-grid resolution.
DOI:10.1109/CEFC.2016.7816117