Littérature scientifique sur le sujet « CRIM (Complex Refractive Index Model) »
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Articles de revues sur le sujet "CRIM (Complex Refractive Index Model)"
Zadhoush, Hossain, Antonios Giannopoulos et Iraklis Giannakis. « Optimising the Complex Refractive Index Model for Estimating the Permittivity of Heterogeneous Concrete Models ». Remote Sensing 13, no 4 (16 février 2021) : 723. http://dx.doi.org/10.3390/rs13040723.
Texte intégralHu, Jun, Xinbin Wang, Fujun Zhang et Yuanke Zhao. « Experimental Study on the Variation of Soil Dielectric Permittivity under the Influence of Soil Compaction and Water Content ». Geofluids 2022 (18 novembre 2022) : 1–9. http://dx.doi.org/10.1155/2022/3575541.
Texte intégralZhong, Yanhui, Yanlong Gao, Bei Zhang, Songtao Li, Hongchuan Cui, Xiaolong Li et Han Zhao. « Experimental Study on the Dielectric Model of Common Asphalt Pavement Surface Materials Based on the L-R Model ». Advances in Civil Engineering 2021 (26 mai 2021) : 1–8. http://dx.doi.org/10.1155/2021/6667101.
Texte intégralDu, Erji, Lin Zhao, Defu Zou, Ren Li, Zhiwei Wang, Xiaodong Wu, Guojie Hu, Yonghua Zhao, Guangyue Liu et Zhe Sun. « Soil Moisture Calibration Equations for Active Layer GPR Detection—a Case Study Specially for the Qinghai–Tibet Plateau Permafrost Regions ». Remote Sensing 12, no 4 (11 février 2020) : 605. http://dx.doi.org/10.3390/rs12040605.
Texte intégralBerg, Charles R. « A simple, effective‐medium model for water saturation in porous rocks ». GEOPHYSICS 60, no 4 (juillet 1995) : 1070–80. http://dx.doi.org/10.1190/1.1443835.
Texte intégralLiu, Zonghui, Yinghao Lan, Xiaolei Zhang, Fanzheng Zeng et Chuanghui Li. « A rapid detection method for diesel content in diesel-contaminated soil based on dielectric measurement and oven-drying tests ». IOP Conference Series : Earth and Environmental Science 1335, no 1 (1 mai 2024) : 012036. http://dx.doi.org/10.1088/1755-1315/1335/1/012036.
Texte intégralBumberger, Jan, Juliane Mai, Felix Schmidt, Peter Lünenschloß, Norman Wagner et Hannes Töpfer. « Spatial Retrieval of Broadband Dielectric Spectra ». Sensors 18, no 9 (23 août 2018) : 2780. http://dx.doi.org/10.3390/s18092780.
Texte intégralAbdorahimi, Danial, et Ali M. Sadeghioon. « Comparison of Radio Frequency Path Loss Models in Soil for Wireless Underground Sensor Networks ». Journal of Sensor and Actuator Networks 8, no 2 (22 juin 2019) : 35. http://dx.doi.org/10.3390/jsan8020035.
Texte intégralChen, Huangye, et Zoya Heidari. « Pore-Scale Joint Evaluation of Dielectric Permittivity and Electrical Resistivity for Assessment of Hydrocarbon Saturation Using Numerical Simulations ». SPE Journal 21, no 06 (19 mai 2016) : 1930–42. http://dx.doi.org/10.2118/170973-pa.
Texte intégralManning, Michael J., et Kumud A. Athavale. « Dielectric properties of pyrite samples at 1 100 MHz ». GEOPHYSICS 51, no 1 (janvier 1986) : 172–82. http://dx.doi.org/10.1190/1.1442030.
Texte intégralThèses sur le sujet "CRIM (Complex Refractive Index Model)"
Cousin, 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
Bonnal, Thomas. « Développements de modèles optiques et de méthodes non supervisées de résolution des problèmes bilinéaires : application à l’imagerie vibrationnelle ». Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1063.
Texte intégralComplementary information, to that provided by elemental analysis and diffraction techniques, is needed to characterize inorganic materials. Fourier Transform Infrared spectroscopy enables to characterize covalent bonds and the environment of functional groups in materials. Thus, it is a technique of interest to study hydrated materials, amorphous materials or any materials, which may experience ageing phenomena. By combining this technique with a micrometric motorized stage, cartographies of chemical compounds can be obtained on several square millimeters: this is the infrared microscopy technique. This Ph.D. thesis focuses on the use of reflected light, in particular through the study of specular reflection and of Attenuated Total Reflectance (ATR). After a first part focused on the different acquisition set-ups, a second part covers the unsupervised methodologies of resolution employed to obtain chemical maps. They result in one map for each component present in the analyzed area. Dimensions reduction techniques and multivariate statistics techniques are implemented to estimate the number of components and their infrared spectra; minimization problems under constraints are solved to retrieve chemical information. When specular reflection is used to acquire spectra, no contact is made with the sample, thus no damage of the analyzed area occurs during the acquisition. A priori, it is a great technique to study the evolution of a material. However, this technique suffers from the complexity of interpretation of the resulting spectra. With the objective to democratize the use of specular reflection to obtain chemical maps, models based on geometrical optics and including diffraction, correction of interferograms and classical homogenization techniques have been developed. This work resulted in an optical model linking the angle of incidence, the polarization state and the dielectric optical constants of the material with the reflected light, which is measured. A model material, constituted of three distinct phases, detectable in the infrared range, has specially been fabricated to validate this optical model. This model set the stage for the use of elliptically polarized light in the determining of the complex refractive indices of materials in the infrared range. Thanks to this development, infrared spectroscopes, equipped with a classical set-up to control the angle of incidence, can now be used in addition to ellipsometry techniques
Chapitres de livres sur le sujet "CRIM (Complex Refractive Index Model)"
Ayub Hamdani, Mursal, et Gausia Qazi. « Modelling Fabrication Variability in Silicon Photonic Devices ». Dans Photonic Materials : Recent Advances and Emerging Applications, 265–83. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815049756123010016.
Texte intégralActes de conférences sur le sujet "CRIM (Complex Refractive Index Model)"
Azizoglu, Zulkuf, Zoya Heidari, Leonardo Goncalves, Lucas Abreu Blanes De Oliveira et Moacyr Silva Do Nascimento Neto. « Assessment of Water Saturation Using Dielectric Permittivity Measurements in Formations with Complex Pore Structure : Application to the Core- and Log- Scale Domains ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205987-ms.
Texte intégralAzizoglu, Zulkuf, et Zoya Heidari. « INTERPRETATION OF MULTI-FREQUENCY DIELECTRIC PERMITTIVITY MEASUREMENTS FOR ASSESSMENT OF WATER SATURATION IN CARBONATE FORMATIONS WITH COMPLEX PORE STRUCTURE ». Dans 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0034.
Texte intégralAzizoglu, Zulkuf, Zoya Heidari, Leonardo Goncalves, Lucas Abreu Blanes de Oliveira, Moacyr Silva do Nascimento Neto et Rodolfo Araujo Victor. « Simultaneous Assessment of Water Saturation and Water Salinity From the Joint Multi-Frequency Interpretation of Real and Imaginary Parts of Dielectric Permittivity Measurements ». Dans 2022 SPWLA 63rd Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2022. http://dx.doi.org/10.30632/spwla-2022-0117.
Texte intégralAzizoglu, Zulkuf, et Zoya Heidari. « The Effect of Salt Concentration on Dielectric Permittivity and Interfacial Polarization in Carbonate Rocks with Complex Pore Structure ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210315-ms.
Texte intégralWang, Hanming, Aygul Kostinovsky et Mehrnoosh Saneifar. « Case Study of Dielectric Logging in the Permian Basin : An Opportunity for Solving Petrophysical Challenges in Tight Formations ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214819-ms.
Texte intégralMohan, K. Aditya, Xianghui Xiao et Charles A. Bouman. « Direct model-based tomographic reconstruction of the complex refractive index ». Dans 2016 IEEE International Conference on Image Processing (ICIP). IEEE, 2016. http://dx.doi.org/10.1109/icip.2016.7532659.
Texte intégralJannson, Tomasz, et Joanna Jannson. « Nonuniform Bragg holograms with complex refractive index ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.wh4.
Texte intégralLiu, Yongmeng, Xv Liu, Zelin Li, Chuanzhi Sun et Enxiao Liu. « Equivalent thin film model with complex refractive index of resonant micromesh ». Dans 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), sous la direction de Jiubin Tan et Jie Lin. SPIE, 2019. http://dx.doi.org/10.1117/12.2521224.
Texte intégralZenkova, Polina N., Dmitriy G. Chernov et Mikhail V. Panchenko. « Complex refractive index in the model of the vertical profile of aerosol optical characteristics in the troposphere of Western Siberia ». Dans 28th International Symposium on Atmospheric and Ocean Optics : Atmospheric Physics, sous la direction de Oleg A. Romanovskii et Gennadii G. Matvienko. SPIE, 2022. http://dx.doi.org/10.1117/12.2644905.
Texte intégralFang, Lezheng, et Michael J. Leamy. « Negative Refractive Index in a Two-Dimensional Nonlinear Rotator Lattice ». Dans ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-71840.
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