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Propagation mechanisms in urban canyons. Distorsions and entropy

Laetitia Thirion-Lefevre 1 Régis Guinvarc'H 1 Elise Colin Koeniguer 2 Azza Mokadem 1
1 SONDRA - Sondra, CentraleSupélec, Université Paris-Saclay (COmUE)
2 ONERA - The French Aerospace Lab [Palaiseau]
Abstract : A district in San Francisco Bay is misclassified when applying the H - alpha decomposition. It is actually classified as an high entropy area, whereas this is expected to be of low entropy as it is an urban area. Among the differences between this district and the neighboring ones, we can quote the orientation of the streets and the inner organization. We use a 3D commercial tool (FEKO) to simulate an urban canyon in ideal conditions first and then for two types of geometric distortion. The analysis shows that these distortions may explain this high entropy observed for this particular district.
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https://hal-supelec.archives-ouvertes.fr/hal-01103890
Contributor : Virginie Bouvier <>
Submitted on : Thursday, January 15, 2015 - 3:58:53 PM
Last modification on : Tuesday, June 15, 2021 - 4:19:58 PM

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  • HAL Id : hal-01103890, version 1

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SUPELEC | ONERA | SUP_SONDRA | EC-PARIS

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Laetitia Thirion-Lefevre, Régis Guinvarc'H, Elise Colin Koeniguer, Azza Mokadem. Propagation mechanisms in urban canyons. Distorsions and entropy. 10th European Conference on Synthetic Aperture Radar (EUSAR 2014), VDE, Jun 2014, Berlin, Germany. pp.1-4. ⟨hal-01103890⟩

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