Exploració per autor "Rius Casals, Juan Manuel"
Ara es mostren els items 21-40 de 223
-
Analysis of electrically large concave scatterers with the integral equation mei
Rius Casals, Juan Manuel; Carpintero, C Pérez; Cardama Aznar, Ángel; Michalski, Krzysztof (1997-04)
Article
Accés restringit per política de l'editorialThe integral equation MEI (IE-MEI) is a new, sparse matrix formulation of the boundary-element method, which is particularly well suited for large convex scatterers. In this Letter we explain why the original implementation ... -
Analysis of microstrip antennas by multilevel matrix decomposition algorithm
Parrón Granados, Josep; Rius Casals, Juan Manuel; Heldring, Alexander; Úbeda Farré, Eduard; Mosig, Juan R (ESA, 1999)
Text en actes de congrés
Accés obertIntegral equation methods (IE) are widely used in conjunction with Method of Moments (MoM) discretization for the numerical analysis of microstrip antennas. However, their application to large antenna arrays is difficult ... -
Analysis of reflector and horn antennas using multilevel fast multipole algorithm
Heldring, Alexander; Rius Casals, Juan Manuel; Parrón Granados, Josep; Cardama Aznar, Ángel; Ligthart, L P (CIMNE, 2000)
Text en actes de congrés
Accés obertThe MultiLevel Fast Multipole Algorithm (MLFMA) has been implemented in a Method of Moments code for arbitrarily shaped metal surfaces discretized in Rao, Wilton and Glisson (RWG) basisfunctions. The accuracy of the ... -
Análisis de antenas de reflector mediante procesado gráfico
Vall-Llossera Ferran, Mercedes Magdalena; Salazar, C; Rius Casals, Juan Manuel; Cardama Aznar, Ángel (Universidad de Valladolid, 1995)
Text en actes de congrés
Accés obertThe aim of this article is to show a new technique for calculating the Radiation Pattern of arbitrary geometry reflector antennas. We use the Graphical processing technique developed in this group for Radar Cross Section ... -
Antenas
Cardama Aznar, Ángel; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Blanch Boris, Sebastián; Ferrando Bataller, Miguel (Edicions UPC, 2002)
Llibre
Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UICEn este libro se presentan los métodos fundamentales de análisis de antenas con un nivel de detalle que permite comprender sus principios de funcionamiento y conocer los parámetros de diseño que son de interés práctico. ... -
Aplicación de algortimos gráfico de iluminación global al cálculo de interacción electromagnética entre superficies metálicas
Vall-Llossera Ferran, Mercedes Magdalena; Rius Casals, Juan Manuel; Ferrando Bataller, Miquel (Unión Científica Internacional de Radio (URSI), 1990)
Text en actes de congrés
Accés obert -
Application of Multilevel Adaptive Cross Approximation (MLACA) to electromagnetic scattering and radiation problems
Tamayo Palau, José María; Heldring, Alexander; Rius Casals, Juan Manuel (2009-09-14)
Text en actes de congrés
Accés obert -
Application of the boundary elements method to 3-d radiation problem
Abad, J.; Duffo Ubeda, Núria; Rius Casals, Juan Manuel; Cruellas Ibarz, Juan Carlos (. REED EXHIBITION COMPANIES, 1993)
Text en actes de congrés
Accés obertIn order to analyze the electromagnetic fields generated by perfectly conducting bodies composed by interconnected wires and solid objects, whichever its geometry, the Boundary Element Method is applied. The basic formulation ... -
Application of the multilevel decomposition algorithm to the frequency analysis of large microstrip antenna arrays
Parrón Granados, Josep; Rius Casals, Juan Manuel; Mosig, Juan R. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2002-03-31)
Article
Accés obertThe application of integral equation methods based in the method of moments discretization to solve large antenna arrays is difficult due to the fact that the computational requirements increase rapidly with the number ... -
Balanced tangential testing for the nonconforming discretization of the Electric-Field Integral Equation on open PeC surfaces
Úbeda Farré, Eduard; Sekulic, Ivan; Rius Casals, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialRecent attention has been devoted to the development of nonconforming implementations of the Electric-Field Integral Equation (EFIE), which impose no continuity constraints in the expansion of the current between ... -
Calculo rcs de bordes arbitrarios y cavidades en aviones complejos
Rius Casals, Juan Manuel; Cardama Aznar, Ángel (1991)
Text en actes de congrés
Accés obertDiffraction by edges and cavities play an importan! role in obtaining the global Radar Cross Section of complex targets.We discuss here how the Modal Serie-Boundary Element Method can be used to provide the far-field ... -
Calibration alignment sensitivity in corneal terahertz imaging
Zarrinkhat, Faezeh; Baggio, Mariangela; Lamberg, Joel; Tamminen, Aleksi; Nefedova, Irina; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Multidisciplinary Digital Publishing Institute (MDPI), 2022-04-22)
Article
Accés obertImproving the longitudinal modes coupling in layered spherical structure contributes significantly to corneal terahertz sensing, which plays a crucial role in the early diagnosis of cornea dystrophies. Using a steel sphere ... -
Cap. 3 Líneas de Transmisión. Notas de clase
Rius Casals, Juan Manuel (Universitat Politècnica de Catalunya, 2022-10-21)
Apunts
Accés obert -
Cap. 3 Líneas de Transmisión. Problemas resueltos
Rius Casals, Juan Manuel (Universitat Politècnica de Catalunya, 2023-01-20)
Problema, exercici
Accés obert -
Cap. 5 Fundamentos de radiación y antenas. Notas de clase
Rius Casals, Juan Manuel (Universitat Politècnica de Catalunya, 2023-03-22)
Apunts
Accés obert -
Cap. 5 Fundamentos de radiación y antenas. Problemas de examen
Rius Casals, Juan Manuel (Universitat Politècnica de Catalunya, 2023-01-20)
Problema, exercici
Accés obert -
Cálculo de la radiación en 3D mediante el método de los elementos de contorno
Abad, J.; Duffo Ubeda, Núria; Rius Casals, Juan Manuel; Cardama Aznar, Ángel (Universidad de Málaga, 1992)
Text en actes de congrés
Accés obert -
Cálculo de radiación en 3 dimensiones mediante el método de los elementos de contorno
Duffo Ubeda, Núria; Rius Casals, Juan Manuel; Cardama Aznar, Ángel (1992)
Text en actes de congrés
Accés obertIn order to analize the electromagnetic fields generated by perfectly conducting bodies whichever it is its geometry, the Boundary Element Method is applied. The basic formulation and associated items (integral equations ... -
Clined: collaborative learning for innovative engineering design
Rius Casals, Juan Manuel; Jofre Roca, Lluís (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2007-06-28)
Text en actes de congrés
Accés obertEl Projecte CLINED s’emmarca en el procés de desenvolupament del mòdul d’aprenentatge interactiu “Array Antennas” en el context de l’assignatura d’Antenes de l’Escola Tècnica Superior Enginyeria de Telecomunicació ... -
Comments on "On the relationship between fractal dimension and the performance of multi-resonant dipole antennas using Koch curves"
González Arbesú, José María; Rius Casals, Juan Manuel; Romeu Robert, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-06-30)
Working paper
Accés obertComentaris referits a l'article següent: K. J. Vinoy, J. K. Abraham, and V. K. Varadan, “On the relationship between fractal dimension and the performance of multi-resonant dipole antennas using Koch curves,” IEEE ...