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Artykuły w czasopismach na temat "ETSA (Exponentially Tapered Slot Antennas)"
Ghimire, Jiwan, Ji-Hoon Kim i Dong-You Choi. "Compact Wideband Double-Slot Microstrip Feed Engraved TEM Horn Strip Antennas on a Multilayer Substrate Board for in Bed Resting Body Positions Determination Based on Artificial Intelligence". Sensors 22, nr 23 (6.12.2022): 9555. http://dx.doi.org/10.3390/s22239555.
Pełny tekst źródłaTsao, Chien‐Ming, i Heng‐Tung Hsu. "A dual‐band polarization switchable antenna switch module for 5G new‐radio applications". International Journal of Circuit Theory and Applications, 21.08.2023. http://dx.doi.org/10.1002/cta.3778.
Pełny tekst źródłaRozprawy doktorskie na temat "ETSA (Exponentially Tapered Slot Antennas)"
Cousin, Théau. "Modélisation et simulation numérique du problème inverse en tomographie électromagnétique". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR03.
Pełny tekst źródłaThis thesis is part of a research project aiming to develop, in an ecological approach, a methodology for retrieving the density of civil engineering materials. The objective is to replace an invasive and nuclear method with a non-destructive and electromagnetic approach. The work of this thesis stems from a CIFRE collaboration between Cerema, Routes de France, and the Laboratory of Mathematics at INSA Rouen Normandie (LMI).The initial work has established a relationship between the density and the dielectric permittivity of a material, leading the ENDSUM team at Cerema Normandie to develop a bench capable of emitting and receiving electromagnetic waves. It is equipped with stepper motors for the antennas and a motor for the support, enabling tomography-type measurements. The objective of this thesis is to implement a solver capable of performing inversion on the data generated by this bench to retrieve the permittivity and ultimately the compactness. This involves the numerical modeling and simulation of this system, based on the diffraction of electromagnetic waves governed by the Maxwell equations we studied in second order. The development of this 3D solver required the implementation of a Finite Element type method, based on Nedelec Finite Elements. The consideration of the unbounded nature of the domain was achieved through the implementation of Perfectly Matched Layers. To optimize the implementation, we also introduced vectorization of the discretization matrix assembly and implemented a domain decomposition method. Finally, the resolution of the minimization problem was carried out using a Gauss-Newton approach utilizing the adjoint state method for computing the Hessian matrix. This resolution is combined with a semi-quadratic Tikhonov regularization method to enhance the contrast in the desired permittivity.The modeling of the bench also required work on the calibration of the antennas used. We have readapted previous work to consider the antennas as a point source associated with a spherical wave and implemented an experimental process to correct the received signals
Części książek na temat "ETSA (Exponentially Tapered Slot Antennas)"
Schmitz, J., M. Jung, J. Bonney, R. Caspary, J. Schüür i J. Schöbel. "Ultra-wideband 4 × 4 Phased Array Containing Exponentially Tapered Slot Antennas and a True-Time Delay Phase Shifter at UHF". W Ultra-Wideband, Short Pulse Electromagnetics 9, 241–48. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-0-387-77845-7_28.
Pełny tekst źródłaStreszczenia konferencji na temat "ETSA (Exponentially Tapered Slot Antennas)"
Jordan, J. L., C. Chevalier i G. E. Ponchak. "Characteristics of corrugated double exponentially tapered slot antenna". W 2006 IEEE Antennas and Propagation Society International Symposium. IEEE, 2006. http://dx.doi.org/10.1109/aps.2006.1711126.
Pełny tekst źródłaCosta, J. R., i C. A. Fernandes. "Crossed exponentially tapered slot antenna for UWB applications". W 2008 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2008. http://dx.doi.org/10.1109/aps.2008.4619862.
Pełny tekst źródłaMedeiros, Carla R., Jorge R. Costa i Carlos A. Fernandes. "UWB crossed exponentially tapered slot antenna with WLAN band rejection". W 2009 IEEE International Symposium on Antennas & Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2009. http://dx.doi.org/10.1109/aps.2009.5172126.
Pełny tekst źródłaYo-Shen Lin, Tzyh-Ghuang Ma, Shyh-Kang Jeng i Chun Hsiung Chen. "Coplanar waveguide-fed dual exponentially tapered slot antennas for ultra-wideband applications". W IEEE Antennas and Propagation Society Symposium, 2004. IEEE, 2004. http://dx.doi.org/10.1109/aps.2004.1331997.
Pełny tekst źródłaHuang, Ting-Jui, i Heng-Tung Hsu. "Antipodal dual exponentially tapered slot antennas (DETSA) with corrugations for front-to-back ratio improvement". W 2011 IEEE International Workshop on Electromagnetics; Applications and Student Innovation (iWEM). IEEE, 2011. http://dx.doi.org/10.1109/iwem.2011.6021477.
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