Exploració per autor "Ferrando Bataller, Miquel"

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    • Antenas de ranura en el plano de masa de una línea stripline 

      Ferrando Bataller, Miquel; Cardama Aznar, Ángel (1980)
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      A theoretical analysis of slot antennas excited by stripline is presented, with calculation of impedance and resonance frequency for different positions of the slot. Mutual effects are taken into account and results for ...

    • Antenas impresas para terminales móviles de doble banda GSMDCS 1800 

      de los Reyes, Elías; Ferrando Bataller, Miquel (1997)
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      The recent developments of dual-band dual-mode D-AMPS/AMPS mobile handsets and radiostations has added pressure on GSM service providers to follow similar technology breakthroughs as a first step towards UMTS/FPMLTS. A ...

    • 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)
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    • Arbitrary wave synthesis using spectral transformations 

      Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1993)
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      The different transformations among plane, cylindrical and spherical spectrum allow to tackle the arbitrary field synthesis from a set of known sources. Putting all the spectrums in the same coordinate axis we can obtain ...

    • Cálculo de la difracción de cilindros de forma arbitraria mediante el método de los elementos de contorno 

      Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (1987)
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      The Boundary Element Method is applied to computing electromagnetic scattering of dielectric cylinders of arbitrary shape. The obtained results are shown and compared with analytic solutions and previous results obtained ...

    • Cálculo del campo difractado por objetos cilíndricos metálicos o multidieléctricos al incidir sobre ellos una onda 

      Ferrando Bataller, Miquel; Jofre Roca, Lluís (Consejo Superior de Investigaciones Científicas (CSIC), 1986)
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      A method is described for calculating the scattered fields from conducting bodies and concentric multilayered cylinders, when they are illuminated by a wave with no z-axis variation. The method is based upon descomposition ...

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

      Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (1990)
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      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)
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      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 ...

    • Diagnóstico de antenas a partir de medidas en campo próximo cilíndrico 

      Jofre Roca, Lluís; Cardama Aznar, Ángel; Ferrando Bataller, Miquel (Universidad Politécnica de Madrid (UPM), 1988)
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      The purpose of this study is to show the antenna imaging capabilities of a near field measurement system. From the antenna near field data, the aperture field is reconstructed in the first instance, and then the source ...

    • Digital terrain models applied to the C/I ratio determination in frequency reduce design 

      Cardona, Narcís; Marti, Javier; Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1992)
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      A tool is developed to plan cellular systems based on the application of theoretical studies of propagation phenomena in urban areas to the real digital terrain models of a city. This permits the design of the cellular ...

    • Diseño asistido por ordenador de arrays de antenas microstrip en bandas X y K 

      Pous Andrés, Rafael; Ferrando Bataller, Miquel (Universidad Politécnica de Madrid (UPM), 1988)
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      In this paper, a CAD/CAM program for design and manufacturing of microstrip antenna array is presented. From basic antenna specifications, the program calculates all parameters and dimensions, and draws a mask, ready for ...

    • Diseño de antenas microstrip 

      Ferrando Bataller, Miquel; de los Reyes, Elías (1981)
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      We present a simple model for the analysis of microstrip antennas. The fields in the cavity are found from the resonance modes and the outside fields from the edge values. Numerical results for circular antennas, radiation ...

    • Diseño de un alimentador primario para dos frecuencias y dos polarizaciones 

      Ferrando Bataller, Miquel; Jofre Roca, Lluís (Universidad Politécnica de Madrid (UPM), 1988)
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      Primary feeds have been designed to operate simultaneously in two frecuency bands and two cross-polarizations. The multimode generalized scattering matrix has been used to characterize the circular waveguide discontinuity. ...

    • Ecuación integral basada en la función de onda aplicación al análisis multimodal de postes pasantes en guía rectangular 

      Ferrando Bataller, Miquel (1997)
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      Multimodal generalized admittance matrix is obtained using a new boundary-integral equation based on homogeneous wave equation solutions. Formulation is applied to obtain the scattering parameters for a post or a set of ...

    • Feedback formulation for multiple scatterers 

      Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (1988)
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      A numerical method for the scattering problem is presented that uses feedback formulation to model multiple interactions between objects, expressing incidents and scattered fields as sums of cylindrical modes, resulting ...

    • Formación de imagen por microondas mediante agrupamientos lineales ortogonales 

      Jofre Roca, Lluís; Ferrando Bataller, Miquel; Bolomey, Jean Charles (Consejo Superior de Investigaciones Científicas (CSIC), 1986)
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      Capabilities of a microwave imaging system working in the air by using two crossed linear arrays are described. The analytic expressions of the focalization procedures are derived and resolution and available volume of ...

    • Formulación de realimentación para el análisis de la difracción de objetos múltiples 

      Cruellas Ibarz, Juan Carlos; Ferrando Bataller, Miquel (Universidad Politécnica de Madrid (UPM), 1988)
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      Electromagnetic scattering of several dielectric objects is computed by a method which uses a feedback formulation to model multiple interactions between scatterers and expreses incident and scattered fields as sums of ...

    • Full-wave equivalent network representation for multiple arbitrarily shaped posts in H-plane waveguide 

      Ferrando Bataller, Miquel (IEEE Microwave Theory and Techniques Society, 1999-10)
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      This paper presents a method for the analysis of arbitrary shape and composition posts in a waveguide. The method segments the problem into regions that are characterized by their generalized admittance matrices. Both an ...

    • Impedancia de entrada de las antenas impresas circulares 

      Ferrando Bataller, Miquel; Cardama Aznar, Ángel (Universidad de Cantabria, 1982)
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    • Medical imaging with a microwave tomographic scanner 

      Jofre Roca, Lluís; Hawley, M S; Broquetas Ibars, Antoni; Reyes Davó, Elías de Los; Ferrando Bataller, Miquel; Elias Fusté, Antoni (1990-03)
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