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Artykuły w czasopismach na temat "Permittivity reconstruction"
Khoshdel, Vahab, Ahmed Ashraf i Joe LoVetri. "Enhancement of Multimodal Microwave-Ultrasound Breast Imaging Using a Deep-Learning Technique". Sensors 19, nr 18 (19.09.2019): 4050. http://dx.doi.org/10.3390/s19184050.
Pełny tekst źródłaAl Hosani, E., i 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, nr 2070 (28.06.2016): 20150332. http://dx.doi.org/10.1098/rsta.2015.0332.
Pełny tekst źródłaKIDERA, Shouhei. "Complex Permittivity Reconstruction for Microwave Imaging". Journal of the Visualization Society of Japan 40, nr 159 (2020): 22–25. http://dx.doi.org/10.3154/jvs.40.159_22.
Pełny tekst źródłaBeilina, Larisa, i Eric Lindström. "An Adaptive Finite Element/Finite Difference Domain Decomposition Method for Applications in Microwave Imaging". Electronics 11, nr 9 (24.04.2022): 1359. http://dx.doi.org/10.3390/electronics11091359.
Pełny tekst źródłaSena, Arcangelo G., i M. Nafi Toksöz. "Simultaneous reconstruction of permittivity and conductivity for crosshole geometries". GEOPHYSICS 55, nr 10 (październik 1990): 1302–11. http://dx.doi.org/10.1190/1.1442777.
Pełny tekst źródłaYakovlev, Vadim V., Ethan K. Murphy i E. Eugene Eves. "Neural networks for FDTD‐backed permittivity reconstruction". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 24, nr 1 (marzec 2005): 291–304. http://dx.doi.org/10.1108/03321640510571318.
Pełny tekst źródłaMoll, Jochen, Thomas N. Kelly, Dallan Byrne, Mantalena Sarafianou, Viktor Krozer i 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.
Pełny tekst źródłaRen, Shangjie, i 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, nr 2070 (28.06.2016): 20150333. http://dx.doi.org/10.1098/rsta.2015.0333.
Pełny tekst źródłaGarnero, L., A. Franchois, J. P. Hugonin, C. Pichot i N. Joachimowicz. "Microwave imaging-complex permittivity reconstruction-by simulated annealing". IEEE Transactions on Microwave Theory and Techniques 39, nr 11 (1991): 1801–7. http://dx.doi.org/10.1109/22.97480.
Pełny tekst źródłaFang, Weifu. "Reconstruction of permittivity profile from boundary capacitance data". Applied Mathematics and Computation 177, nr 1 (czerwiec 2006): 178–88. http://dx.doi.org/10.1016/j.amc.2005.10.046.
Pełny tekst źródłaRozprawy doktorskie na temat "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.
Pełny tekst źródłaCousin, 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
Chen, Ying-Feng, i 陳穎鋒. "Permittivity Distribution Reconstruction of Dielectric Objects by a Cascaded Method". Thesis, 2004. http://ndltd.ncl.edu.tw/handle/71538440445099170844.
Pełny tekst źródła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 i 陳穎鋒. "Permittivity Distribution Reconstruction of Dielectric Objects by a Cascaded Method". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/12170308198895442668.
Pełny tekst źródła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.
Pełny tekst źródłaTiede, Tyler. "Inversion of surface contacting antenna measurements for sea ice complex permittivity reconstruction". 2017. http://hdl.handle.net/1993/32238.
Pełny tekst źródłaOctober 2017
Części książek na temat "Permittivity reconstruction"
Hugonin, J. P., N. Joachimowicz i Ch Pichot. "Quantitative Reconstruction of Complex Permittivity Distributions by Means of Microwave Tomography". W 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.
Pełny tekst źródłaBeilina, L., i E. Lindström. "A Posteriori Error Estimates and Adaptive Error Control for Permittivity Reconstruction in Conductive Media". W Springer Proceedings in Mathematics & Statistics, 117–41. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35871-5_7.
Pełny tekst źródłaSmirnov, Yu G., Yu V. Shestopalov i E. D. Derevyanchuk. "Permittivity Reconstruction of Layered Dielectrics in a Rectangular Waveguide from the Transmission Coefficients at Different Frequencies". W Springer Proceedings in Mathematics & Statistics, 169–81. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00660-4_11.
Pełny tekst źródłaAbrosimov, Mikhail, Alexander Brovko, Ruslan Pakharev, Anton Pudikov i Konstantin Reznikov. "Reconstruction of 3D Permittivity Profile of a Dielectric Sample Using Artificial Neural Network Mathematical Model and FDTD Simulation". W 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.
Pełny tekst źródłaSmirnov, Yuri G., Yuri V. Shestopalov i Ekaterina D. Derevyanchuk. "Solution to the Inverse Problem of Reconstructing Permittivity of an $$n$$ -Sectional Diaphragm in a Rectangular Waveguide". W 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.
Pełny tekst źródłaStreszczenia konferencji na temat "Permittivity reconstruction"
Pinard, H., M. Dietrich, S. Garambois, F. Lavoué, L. Métivier i J. M. Virieux. "Simultaneous GPR Reconstruction of Electrical Conductivity and Permittivity". W 77th EAGE Conference and Exhibition - Workshops. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201413536.
Pełny tekst źródłaYilmaz, Tuba, i Yang Hao. "Compact Resonators for Permittivity Reconstruction of Biological Tissues". W 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6123735.
Pełny tekst źródłaG. Gorriti, A., E. C. Slob i J. Bruining. "Accurate reconstruction of permittivity from coaxial transmission line measurements". W 8th EEGS-ES Meeting. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609.201406274.
Pełny tekst źródłaTomasek, Pavel. "Reconstruction of permittivity of unknown materials in free space". W 2016 17th International Carpathian Control Conference (ICCC). IEEE, 2016. http://dx.doi.org/10.1109/carpathiancc.2016.7501194.
Pełny tekst źródłaTomasek, P., Y. V. Shestopalov i V. Kresalek. "Reconstruction of permittivity of multiple layers in free space". W 2015 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2015. http://dx.doi.org/10.1109/iceaa.2015.7297188.
Pełny tekst źródłaZhu, Zengyan, i Yutao Wang. "Simultaneous Reconstruction of Conductivity and Permittivity in Electrical Impedance Tomography". W 2019 Chinese Control And Decision Conference (CCDC). IEEE, 2019. http://dx.doi.org/10.1109/ccdc.2019.8833397.
Pełny tekst źródłaVogelzang, E., H. A. Ferwerda i D. Yevick. "Reconstruction Of The Permittivity Profile Of A Stratified Dielectric Layer". W 1984 European Conference on Optics, Optical Systems and Applications, redaktorzy Bouwe Bolger i Hedzer A. Ferwerda. SPIE, 1985. http://dx.doi.org/10.1117/12.943736.
Pełny tekst źródłaZhang, Wenji, i Ahmad Hoorfar. "Two-dimensional permittivity profile reconstruction with distorted Rytov iterative method". W Computational Electromagnetics (ICMTCE). IEEE, 2011. http://dx.doi.org/10.1109/icmtce.2011.5915171.
Pełny tekst źródłaTomasek, P., Y. V. Shestopalov i V. Kresalek. "Comparison of selected evolutionary techniques used in reconstruction of permittivity". W 2015 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2015. http://dx.doi.org/10.1109/iceaa.2015.7297189.
Pełny tekst źródłaDerevyanchuk, E. D., i Yu G. Smirnov. "Tensor permittivity reconstruction of two-sectional diaphragm in a rectangular waveguide". W Days on Diffraction 2014 (DD). IEEE, 2014. http://dx.doi.org/10.1109/dd.2014.7036425.
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