Littérature scientifique sur le sujet « Permittivity reconstruction »
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Articles de revues sur le sujet "Permittivity reconstruction"
Khoshdel, Vahab, Ahmed Ashraf et Joe LoVetri. « Enhancement of Multimodal Microwave-Ultrasound Breast Imaging Using a Deep-Learning Technique ». Sensors 19, no 18 (19 septembre 2019) : 4050. http://dx.doi.org/10.3390/s19184050.
Texte intégralAl Hosani, E., et M. Soleimani. « Multiphase permittivity imaging using absolute value electrical capacitance tomography data and a level set algorithm ». Philosophical Transactions of the Royal Society A : Mathematical, Physical and Engineering Sciences 374, no 2070 (28 juin 2016) : 20150332. http://dx.doi.org/10.1098/rsta.2015.0332.
Texte intégralKIDERA, Shouhei. « Complex Permittivity Reconstruction for Microwave Imaging ». Journal of the Visualization Society of Japan 40, no 159 (2020) : 22–25. http://dx.doi.org/10.3154/jvs.40.159_22.
Texte intégralBeilina, Larisa, et Eric Lindström. « An Adaptive Finite Element/Finite Difference Domain Decomposition Method for Applications in Microwave Imaging ». Electronics 11, no 9 (24 avril 2022) : 1359. http://dx.doi.org/10.3390/electronics11091359.
Texte intégralSena, Arcangelo G., et M. Nafi Toksöz. « Simultaneous reconstruction of permittivity and conductivity for crosshole geometries ». GEOPHYSICS 55, no 10 (octobre 1990) : 1302–11. http://dx.doi.org/10.1190/1.1442777.
Texte intégralYakovlev, Vadim V., Ethan K. Murphy et E. Eugene Eves. « Neural networks for FDTD‐backed permittivity reconstruction ». COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 24, no 1 (mars 2005) : 291–304. http://dx.doi.org/10.1108/03321640510571318.
Texte intégralMoll, Jochen, Thomas N. Kelly, Dallan Byrne, Mantalena Sarafianou, Viktor Krozer et Ian J. Craddock. « Microwave Radar Imaging of Heterogeneous Breast Tissue Integrating A Priori Information ». International Journal of Biomedical Imaging 2014 (2014) : 1–10. http://dx.doi.org/10.1155/2014/943549.
Texte intégralRen, Shangjie, et Feng Dong. « Interface and permittivity simultaneous reconstruction in electrical capacitance tomography based on boundary and finite-elements coupling method ». Philosophical Transactions of the Royal Society A : Mathematical, Physical and Engineering Sciences 374, no 2070 (28 juin 2016) : 20150333. http://dx.doi.org/10.1098/rsta.2015.0333.
Texte intégralGarnero, L., A. Franchois, J. P. Hugonin, C. Pichot et N. Joachimowicz. « Microwave imaging-complex permittivity reconstruction-by simulated annealing ». IEEE Transactions on Microwave Theory and Techniques 39, no 11 (1991) : 1801–7. http://dx.doi.org/10.1109/22.97480.
Texte intégralFang, Weifu. « Reconstruction of permittivity profile from boundary capacitance data ». Applied Mathematics and Computation 177, no 1 (juin 2006) : 178–88. http://dx.doi.org/10.1016/j.amc.2005.10.046.
Texte intégralThèses sur le sujet "Permittivity reconstruction"
Akhtar, Jaleel. « Controlled resolution reconstruction of one-dimensional permittivity profiles ». [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=971682518.
Texte intégralCousin, Théau. « Modélisation et simulation numérique du problème inverse en tomographie électromagnétique ». Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR03.
Texte intégralThis 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
Chen, Ying-Feng, et 陳穎鋒. « Permittivity Distribution Reconstruction of Dielectric Objects by a Cascaded Method ». Thesis, 2004. http://ndltd.ncl.edu.tw/handle/71538440445099170844.
Texte intégral淡江大學
電機工程學系碩士班
94
In this paper, we propose a method, which combines a genetic algorithm (GA) with a Newton-type iteration for the reconstruction of permittivity distribution of two-dimensional (2-D) dielectric objects. The method is based on a multi-illumination multiview processing. In particular, by taking account into the complete nonlinear formulations, the permittivity distribution of the objects could be highly-contrasted and complicated inhomogeneous. First, the inverse problem is recast as a global nonlinear optimization problem, which is solved by a GA. Then, the solution obtained by the GA is taken as an initial guess for the Newton-type iteration method. This method is tested by considering several numerical examples, and it is found that the performance of this combination method is better than the individual GA and the individual Newton-type iteration method. Numerical results show that satisfactory reconstruction has been obtained.
Ying-Feng et 陳穎鋒. « Permittivity Distribution Reconstruction of Dielectric Objects by a Cascaded Method ». Thesis, 2006. http://ndltd.ncl.edu.tw/handle/12170308198895442668.
Texte intégral淡江大學
電機工程學系碩士班
94
In this paper, we propose a method, which combines a genetic algorithm (GA) with a Newton-type iteration for the reconstruction of permittivity distribution of two-dimensional (2-D) dielectric objects. The method is based on a multi-illumination multiview processing. In particular, by taking account into the complete nonlinear formulations, the permittivity distribution of the objects could be highly-contrasted and complicated inhomogeneous. First, the inverse problem is recast as a global nonlinear optimization problem, which is solved by a GA. Then, the solution obtained by the GA is taken as an initial guess for the Newton-type iteration method. This method is tested by considering several numerical examples, and it is found that the performance of this combination method is better than the individual GA and the individual Newton-type iteration method. Numerical results show that satisfactory reconstruction has been obtained.
Akhtar, Jaleel [Verfasser]. « Controlled resolution reconstruction of one-dimensional permittivity profiles / von Jaleel Akhtar ». 2003. http://d-nb.info/971682518/34.
Texte intégralTiede, Tyler. « Inversion of surface contacting antenna measurements for sea ice complex permittivity reconstruction ». 2017. http://hdl.handle.net/1993/32238.
Texte intégralOctober 2017
Chapitres de livres sur le sujet "Permittivity reconstruction"
Hugonin, J. P., N. Joachimowicz et Ch Pichot. « Quantitative Reconstruction of Complex Permittivity Distributions by Means of Microwave Tomography ». Dans Inverse Problems and Theoretical Imaging, 302–10. Berlin, Heidelberg : Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75298-8_37.
Texte intégralBeilina, L., et E. Lindström. « A Posteriori Error Estimates and Adaptive Error Control for Permittivity Reconstruction in Conductive Media ». Dans Springer Proceedings in Mathematics & ; Statistics, 117–41. Cham : Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35871-5_7.
Texte intégralSmirnov, Yu G., Yu V. Shestopalov et E. D. Derevyanchuk. « Permittivity Reconstruction of Layered Dielectrics in a Rectangular Waveguide from the Transmission Coefficients at Different Frequencies ». Dans Springer Proceedings in Mathematics & ; Statistics, 169–81. Cham : Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00660-4_11.
Texte intégralAbrosimov, Mikhail, Alexander Brovko, Ruslan Pakharev, Anton Pudikov et Konstantin Reznikov. « Reconstruction of 3D Permittivity Profile of a Dielectric Sample Using Artificial Neural Network Mathematical Model and FDTD Simulation ». Dans Advances in Intelligent Systems and Computing, 272–79. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91192-2_27.
Texte intégralSmirnov, Yuri G., Yuri V. Shestopalov et Ekaterina D. Derevyanchuk. « Solution to the Inverse Problem of Reconstructing Permittivity of an $$n$$ -Sectional Diaphragm in a Rectangular Waveguide ». Dans Springer Proceedings in Mathematics & ; Statistics, 555–66. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55361-5_32.
Texte intégralActes de conférences sur le sujet "Permittivity reconstruction"
Pinard, H., M. Dietrich, S. Garambois, F. Lavoué, L. Métivier et J. M. Virieux. « Simultaneous GPR Reconstruction of Electrical Conductivity and Permittivity ». Dans 77th EAGE Conference and Exhibition - Workshops. Netherlands : EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201413536.
Texte intégralYilmaz, Tuba, et Yang Hao. « Compact Resonators for Permittivity Reconstruction of Biological Tissues ». Dans 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6123735.
Texte intégralG. Gorriti, A., E. C. Slob et J. Bruining. « Accurate reconstruction of permittivity from coaxial transmission line measurements ». Dans 8th EEGS-ES Meeting. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609.201406274.
Texte intégralTomasek, Pavel. « Reconstruction of permittivity of unknown materials in free space ». Dans 2016 17th International Carpathian Control Conference (ICCC). IEEE, 2016. http://dx.doi.org/10.1109/carpathiancc.2016.7501194.
Texte intégralTomasek, P., Y. V. Shestopalov et V. Kresalek. « Reconstruction of permittivity of multiple layers in free space ». Dans 2015 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2015. http://dx.doi.org/10.1109/iceaa.2015.7297188.
Texte intégralZhu, Zengyan, et Yutao Wang. « Simultaneous Reconstruction of Conductivity and Permittivity in Electrical Impedance Tomography ». Dans 2019 Chinese Control And Decision Conference (CCDC). IEEE, 2019. http://dx.doi.org/10.1109/ccdc.2019.8833397.
Texte intégralVogelzang, E., H. A. Ferwerda et D. Yevick. « Reconstruction Of The Permittivity Profile Of A Stratified Dielectric Layer ». Dans 1984 European Conference on Optics, Optical Systems and Applications, sous la direction de Bouwe Bolger et Hedzer A. Ferwerda. SPIE, 1985. http://dx.doi.org/10.1117/12.943736.
Texte intégralZhang, Wenji, et Ahmad Hoorfar. « Two-dimensional permittivity profile reconstruction with distorted Rytov iterative method ». Dans Computational Electromagnetics (ICMTCE). IEEE, 2011. http://dx.doi.org/10.1109/icmtce.2011.5915171.
Texte intégralTomasek, P., Y. V. Shestopalov et V. Kresalek. « Comparison of selected evolutionary techniques used in reconstruction of permittivity ». Dans 2015 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2015. http://dx.doi.org/10.1109/iceaa.2015.7297189.
Texte intégralDerevyanchuk, E. D., et Yu G. Smirnov. « Tensor permittivity reconstruction of two-sectional diaphragm in a rectangular waveguide ». Dans Days on Diffraction 2014 (DD). IEEE, 2014. http://dx.doi.org/10.1109/dd.2014.7036425.
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