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    Analysis of antenna transient radiation

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    577299.pdf (8.420Mb)
    Date
    2011
    Author
    Rodríguez Ulibarri, Pablo 
    Advisor
    Gómez Laso, Miguel Ángel 
    Yarovoy, Alexander 
    Caratelli, Diego 
    Version
    Acceso abierto / Sarbide irekia
    Type
    Proyecto Fin de Carrera / Ikasketen Amaierako Proiektua
    Impact
     
     nodoi-noplumx
     
     
     
     
     
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    Abstract
    Recently a new formalism has been developed for modeling time domain radiation processes in complex antennas. Using this formalism the radiated electromagnetic field can be expressed in terms of non uniform spherical wave contributions relevant to the resonant phenomena occurring in the structure. The developed algorithm consists of a dedicated two-step vector fitting procedure. Firstly, the ... [++]
    Recently a new formalism has been developed for modeling time domain radiation processes in complex antennas. Using this formalism the radiated electromagnetic field can be expressed in terms of non uniform spherical wave contributions relevant to the resonant phenomena occurring in the structure. The developed algorithm consists of a dedicated two-step vector fitting procedure. Firstly, the spherical harmonic expansion of the time-domain equivalent electric and magnetic currents is performed. Then, by using the Singularity-Expansion-Method (SEM), the time-variant spherical harmonic expansion coefficients are represented in terms of dumped exponential terms. In this way, by using the incomplete modified spherical Bessel functions, an analytical description of the transient wave radiation phenomena is achieved. In this study several canonical radiating structures such as dipole, bow-tie and loop antennas, have been analyzed using the afore-mentioned formalism in order to gain a physical insight into the natural resonant processes occurring in the antenna and find a relation with the relevant geometrical characteristics. [--]
    Subject
    Antenna transient radiation
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa eta Elektronikoa Saila
     
    URI
    https://hdl.handle.net/2454/3183
    Appears in Collections
    • PFC. Acceso abierto (desde 2010) – IAP. Sarbide irekia (2010etik aurrera) [1473]
    • Proyectos Fin de Carrera ETSIIT - TIIGMET Ikasketen Amaierako Proiektuak [2318]
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