Scaled Model for Studying the Propagation of Radio Waves Diffracted from Tunnels
Abstract
:1. Introduction
2. The Indoor–Outdoor Model
2.1. Indoor Multi-Ray Propagation Model
2.2. Outdoor Diffraction from Tunnels
2.3. Numerical Procedure
2.4. Uniform Illumination: Test Case
3. Experimental Setup
4. Results
4.1. Modeling Results: Full-Scale Model
4.2. Experimental and Modeling Results: Scaled Model—Tunnel Exit
4.3. Experimental and Modeling Results: Scaled Model—Diffraction
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Wall | Normal Vector | Incidence Angle | Wave Polarity | |
---|---|---|---|---|
Vertical, V | Horizontal, H | |||
Top/bottom: (i = U, D) | θi | TM (||) | TE (⊥) | |
Side walls: (i = R, L) | θi | TE (⊥) | TM (||) |
Parameter | Normal Vector | Units | Full-Scale Model | Scaled Model |
---|---|---|---|---|
Tunnel width | 2a | [m] | 1 | 0.10 |
Tunnel height | 2b | [m] | 2 | 0.20 |
Tunnel length | L | [m] | 25 | 2.5 |
Frequency | f | [GHz] | 1 and 3 | 10 and 30 |
Distance from tunnel exit | d | [m] | 40 | 4 |
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Glikstein, O.; Pinhasi, G.A.; Pinhasi, Y. Scaled Model for Studying the Propagation of Radio Waves Diffracted from Tunnels. Electronics 2024, 13, 1983. https://doi.org/10.3390/electronics13101983
Glikstein O, Pinhasi GA, Pinhasi Y. Scaled Model for Studying the Propagation of Radio Waves Diffracted from Tunnels. Electronics. 2024; 13(10):1983. https://doi.org/10.3390/electronics13101983
Chicago/Turabian StyleGlikstein, Ori, Gad A. Pinhasi, and Yosef Pinhasi. 2024. "Scaled Model for Studying the Propagation of Radio Waves Diffracted from Tunnels" Electronics 13, no. 10: 1983. https://doi.org/10.3390/electronics13101983