An Analytical Antenna Modeling of Electromagnetic Wave Propagation in Inhomogeneous Media Using FDTD: A Comprehensive Study Article Swipe
Dafnik Saril Kumar David
,
Yeongseok Jeong
,
Yin Wu
,
Suyun Ham
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/s23083896
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/s23083896
This paper discusses the challenges in characterizing electromagnetic (EM) waves propagating through inhomogeneous media, such as reinforced cement concrete and hot mix asphalt. Understanding the EM properties of materials, including their dielectric constant, conductivity, and magnetic permeability, is crucial to analyzing the behavior of these waves. The focus of this study is to develop a numerical model for EM antennas using the finite difference time domain (FDTD) method, and to gain a deeper understanding of various EM wave phenomena. Additionally, we verify the accuracy of our model by comparing its results with experimental data. We analyze several antenna models with different materials, including the absorber, high-density polyethylene and perfect electrical conductors, to obtain an analytical signal response that is verified against the experimental response. Furthermore, we model the inhomogeneous mixture of randomly distributed aggregates and voids within a medium. We verify the practicality and reliability of our inhomogeneous models using experimental radar responses on an inhomogeneous medium.
Related Topics
Concepts
Finite-difference time-domain method
Acoustics
Dielectric
Electrical conductor
Antenna (radio)
Ground-penetrating radar
Wave propagation
Propagation constant
Electromagnetic radiation
Materials science
Permittivity
Optics
Radar
Computational physics
Electronic engineering
Computer science
Physics
Engineering
Telecommunications
Composite material
Optoelectronics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/s23083896
- https://www.mdpi.com/1424-8220/23/8/3896/pdf?version=1681368790
- OA Status
- gold
- Cited By
- 8
- References
- 15
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4365148312
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4365148312Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/s23083896Digital Object Identifier
- Title
-
An Analytical Antenna Modeling of Electromagnetic Wave Propagation in Inhomogeneous Media Using FDTD: A Comprehensive StudyWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-04-11Full publication date if available
- Authors
-
Dafnik Saril Kumar David, Yeongseok Jeong, Yin Wu, Suyun HamList of authors in order
- Landing page
-
https://doi.org/10.3390/s23083896Publisher landing page
- PDF URL
-
https://www.mdpi.com/1424-8220/23/8/3896/pdf?version=1681368790Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://www.mdpi.com/1424-8220/23/8/3896/pdf?version=1681368790Direct OA link when available
- Concepts
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Finite-difference time-domain method, Acoustics, Dielectric, Electrical conductor, Antenna (radio), Ground-penetrating radar, Wave propagation, Propagation constant, Electromagnetic radiation, Materials science, Permittivity, Optics, Radar, Computational physics, Electronic engineering, Computer science, Physics, Engineering, Telecommunications, Composite material, OptoelectronicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
8Total citation count in OpenAlex
- Citations by year (recent)
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2025: 2, 2024: 3, 2023: 3Per-year citation counts (last 5 years)
- References (count)
-
15Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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