Browsing by Subject "Electromagnetism"

Now showing items 21-40 of 172

    • An interpolation method to calibrate electromagnetic probes in semi-anechoic chambers 

      Tremola, Ciro; Azpúrua Auyanet, Marco Aurelio; Páez, Eduardo Javier; Ormeño, D.; Rebolledo, A. (2012)
      Article
      Restricted access - publisher's policy
      Based upon the standard IEEE 1309, a new calibration method for electromagnetic (EM) probes is proposed. The aforementioned method compares the electric field strength measured with the EM probe subject to calibration with ...

    • An optimum method to design probe-fed single-layer single-path wideband microstrip antenna 

      Anguera Pros, Jaume; Puente Baliarda, Carles; Romeu Robert, Jordi; Borja, C.; Font, Gisela (European Space Agency (ESA), 2000)
      Conference report
      Restricted access - publisher's policy
      A simple electrical network for a Single Layer Microstrip Patch Antenna (SLMPA) and the feeding structure (coaxial probe and compensating capacitor) is proposed to predict the input impedance. The mathematical analysis ...

    • Analysis and design of the 3Cat-8 pointing control system for high-volume data downlink 

      Cruz Martinez, Alberto (Universitat Politècnica de Catalunya, 2023-06-27)
      Bachelor thesis
      Open Access
      Covenantee:   NanosatLab
      The objective of this bachelors thesis is to conduct a comprehensive analysis of the communication subsystems in the UHF, S, and X bands of the 3Cat-8 mission. This mission aims to develop a satellite under the CubeSat ...

    • Analysis of chiral effects in non-planar metamaterials with oblique incidence 

      Fernández, Óscar; Ben Jamoun, Jihad; Gómez, Álvaro; Barba, Ismael; Grande, Ana M.; López Cabeceira, Ana C. (Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
      Conference report
      Open Access
      One of the main research lines of the Grupo de Electromagnetismo of the Universidad de Cantabria is focused on the study and characterization of planar chiral metamaterial (CMM) structures implemented on printed circuit ...

    • Analysis of multireflector antenna clusters by spectral methods 

      Boria Esbert, Vicente; Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1994)
      Conference report
      Open Access
      This paper analyzes multireflector antennas making use of spectral domain techniques. The behaviour of the multireflector antenna is determined by means of a transference function that relates the plane wave spectrum of ...

    • Analysis of PIFA antenna coupling in nearby traces and reduction with CSRRs in PCB at 2.45 GHz 

      Gil Galí, Ignacio; Fernández García, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      The electromagnetic coupling of a conventional planar inverted-F antenna (PIFA) antenna in the nearby layout traces is investigated in the 2.45 GHz industrial, scientific and medical radio band. The impact of a complementary ...

    • Analysis of pre-processing techniques when using validation methods in computational electromagnetic simulations 

      Jauregui Tellería, Ricardo; Ventosa Llopart, Oriol; Silva Martínez, Fernando; Kunze, Marco (2013-05)
      Article
      Restricted access - publisher's policy
      In computational electromagnetic simulations, most validation methods have been developed to quantify the similarity of two datasets, making them an objective tool for test engineers to discuss data on a similar basis. ...

    • Análisis de reflexiones múltiples entre superficies curvas mediante técnicas espectrales 

      Boria Esbert, Vicente; Ferrando Bataller, Miquel (1994)
      Conference report
      Open Access
      This paper analyzes the reflected fields produced by parabolic and hyperbolic surfaces when an electromagnetic field falls into them. Multireflector antennas, which are integrated by such reflecting surfaces, are studied ...

    • Antenna microstrip miniatura y de alta directividad basada en el fractal de Sierpinski 

      Puente Baliarda, Carles; Borja Borau, M. Carmen; Anguera Pros, Jaume (Unión Científica Internacional de Radio (URSI), 2011)
      Conference report
      Restricted access - publisher's policy
      he unique geometrical properties of fractals have been proven to be useful to design advanced antennas. Enhanced performance in terms of size, gain or multifre- quency behaviour is observed in fractal-shaped antennas. Here, ...

    • Antenna system for a Mars spacesuit simulator 

      Claramunt Codinas, Marc (Universitat Politècnica de Catalunya, 2020-07)
      Bachelor thesis
      Open Access
      Space exploration is constantly pushing the limits of the existing technology, overcoming the challenges it proposes is a human exercise that expands our scientific knowledge and technological capacities. This industry ...

    • 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)
      Conference report
      Open Access

    • Application of electromagnetic bandgaps to microwave circuit design 

      Bonache, Jordi; Falcone, Francisco; Gil Galí, Ignacio; García García, Joan; Martín, Ferran (Taylor and Francis Group, 2009-07-31)
      Part of book or chapter of book
      Restricted access - publisher's policy

    • Application of the multimodal transfer matrix method in dielectric periodic structures with higher symmetries 

      Castillo-Tapia, P.; Mesa, F.; Quevedo-Teruel, O. (Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
      Conference report
      Open Access
      The Multimodal Transfer Matrix Method (MMTMM) is a hybrid method to compute the propagation constants of periodic structures that combines in-house/commercial software and later post-processing [1], [2]. Its main advantage ...

    • Boundary element method applied to polarimetric radiometry of rain events 

      Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Conference report
      Open Access

    • Caracterización electromagnética de materiales RAM mediante medidas en espacio libre 

      Blanch Boris, Sebastián; Cardama Aznar, Ángel; Jofre Roca, Lluís (1991)
      Conference report
      Open Access
      A free-space measurement system in the 2-JBGHz frequency range is used to measure the reflection and transmission coefficients of planar samples. The complex electric permittivity and the magnetic permeability are calculated ...

    • 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)
      Conference report
      Open Access
      In 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 ...

    • Cálculos electromagnéticos en 3 dimensiones mediante el método de los elementos de contorno 

      Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (1990)
      Conference report
      Open Access
      The Boundary Element Method is applied to solve 3 D electromagnetic problems. The basic formulation and associated items (integral equation to solve, surface discretization, fields interpolation and numerical integration) ...

    • Circuital analysis of a two-port angular sector 

      Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Conference report
      Open Access
      The authors introduce an element that allows them to analyze two-dimensional diffraction problems in a circuital way. The circuital analysis of electromagnetic problems, together to the segmentation technique, allows one ...

    • Coatings for decarburization prevention and the influence of electromagnetic field on carbón diffusion in iron 

      Hu, Jiawei (Universitat Politècnica de Catalunya, 2019-03-05)
      Bachelor thesis
      Open Access
      Covenantee:   Institut national des sciences appliquées de Lyon
      The purpose of this project is to study the influence of a combination of electric and magnetic field on the diffusion process of carbon atoms in iron. The experiment is carried out by putting a 26 x 9 mm two-dimensional, ...

    • Compatibilidad electromagnética y telefonía móvil 

      De las Heras Camps, Alberto (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1997)
      Article
      Open Access