Now showing items 21-40 of 82

    • Bowtie microstrip patch antenna based on the Sierpinski fractal 

      Anguera Pros, Jaume; Puente Baliarda, Carles; Borja, C.; Montero, R. (Institute of Electrical and Electronics Engineers (IEEE), 2011)
      Conference report
      Restricted access - publisher's policy
      The unique geometrical properties of fractals have been proven to be useful to design advanced antennas. Enhanced performance in terms of size, gain or multiband behaviour is observed in fractal-shaped antennas. Here, a ...
    • Broadband triple-frequency microstrip patch radiator combining a dual-band modified Sierpinski fractal and monoband antenna 

      Anguera, Jaume; Martinez-Ortigosa, Eduard; Puente Baliarda, Carles; Borja, C.; Soler, Jordi (2006-11)
      Article
      Restricted access - publisher's policy
      Abstract—A triple-frequency antenna combining a dual-band and a monoband antenna with broadside radiation patterns is presented. The dual-band antenna is inspired in the Sierpinski fractal. Such a dual-band antenna is ...
    • Caracterización de los pulsos generados mediante q-switching en un transmisor laser 

      Fabrega, F J; Puente Baliarda, Carles; Rocadenbosch Burillo, Francisco; Comerón Tejero, Adolfo (Publicaciones de la Universidad de Valladolid, 1995)
      Conference report
      Open Access
      In this paper, a model to characterizc Q-switched laser pulses is described. In the power cycle this model takes into account two different equations, one for the time rate of change of the photon density within the small ...
    • Compact multiband antenna system for smartphone platforms 

      Anguera Pros, Jaume; Picher, Cristina; Andújar Linares, Aurora; Puente Baliarda, Carles; Kahng, Sungtek (2013)
      Conference report
      Restricted access - publisher's policy
      Smartphone are gainin interest due to its multifunctional capabilities. In order to facilitate the integration of an antenna system, a compact radiating system comprising non-resonant cubic elements radiating to provide ...
    • Comportamiento multifrecuencia en una antena microstrip mediante multiples elementos parásitos 

      Font, Gisela; Anguera Pros, Jaume; Puente Baliarda, Carles; Borja, Carmen; Soler, Jordi (Unión Científica Internacional de Radio (URSI), 2003)
      Conference report
      Open Access
      A multifrequency microstrip patch antenna comprising a driven patch and a plurality of parasitic el- ements placed underneath a driven patch is proposed. The antenna features a multifrequency behavior (5 operating band) ...
    • Comprobación del comportamiento autosimilar de las distribuciones de corriente sobre la superficie de la antena fractal de Sierpinski mediante termografías de infrarrojos 

      González Arbesú, José María; Puente Baliarda, Carles; Romeu Robert, Jordi (1998)
      Conference report
      Open Access
    • Concentrated ground plane booster antenna technology for multiband operation in handset devices 

      Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles; Bujalance Jurado, Adrián (2014-12-01)
      Article
      Open Access
      The current demand in the handset antenna field requires multiband antennas due to the existence of multiple communication standards and the emergence of new ones. At the same time, antennas with reduced dimensions are ...
    • Conformación del diagrama de radiación de un monopolo en L 

      Andújar Linares, Aurora; Anguera Pros, Jaume; Puente Baliarda, Carles; Picher, Cristina (Unión Científica Internacional de Radio (URSI), 2009)
      Conference report
      Open Access
      The typical radiation pattern of an L-monopole antenna can be easily modified by changing the geometrical characteristics of the structure. To shape a specific radiation pattern through a basic structure becomes an interesting ...
    • Diseño de antenas multibanda para telefonía móvil mediante la manipulación del plano de masa 

      Picher, C.; Anguera Pros, Jaume; Cabedo, Arnau; Ribó, Miquel; Pijoan, Joan L.; Puente Baliarda, Carles (2007)
      Conference report
      Open Access
    • Diseño de un sistema lidar para la monitorización de la dispersión elástica en al atmósfera 

      Rocadenbosch Burillo, Francisco; Puente Baliarda, Carles; Comerón Tejero, Adolfo; Rodríguez de Torres, Alejandro (UNIVERSIDAD DE VALLADOLID URSI, UNIVERSIDAD DE VALLADOLID, 1995)
      Conference report
      Open Access
      This conununication describes the main characteristics and design trade-offs of an atmospheric lidar for aerosol detection using a Nd:YAG laser transmitter.
    • Diseño de una antena multibanda con ranuras en el plano de masa: una técnica para facilitar la integración de la línea de alimentación 

      Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles; Risco, Sergi; Kahng, Sungtek (Unión Científica Internacional de Radio (URSI), 2009)
      Conference report
      Open Access
      The integration of transmission lines is a difficult task due to the presence of slots. In order to facilitate the integration of the feeding transmission line which connects the antenna with the RF-module, this research ...
    • Dual frequency broad-band stacked microstrip antenna using a reactive loading and a fractal-shaped radiating edge 

      Anguera, Jaume; Puente Baliarda, Carles; Borja, C.; Soler, J. (2007-07-02)
      Article
      Restricted access - publisher's policy
      A dual-band enhanced-bandwidth microstrip antenna is presented with a frequency separation of f2/f1=1.37. In order to achieve the dual-frequency operation, a rectangular patch antenna is reactively loaded with a stub ...
    • Dual frequency broadband microstrip antenna with a reactive loading and stacked elements 

      Anguera, Jaume; Puente Baliarda, Carles; Borja, C. (2009)
      Article
      Restricted access - publisher's policy
      A dual-band enhanced-bandwidth microstrip antenna is presented with a frequency separation of f2=f1 = 1:33. In order to achieve the dual-frequency operation, a rectangular patch is loaded with a stub at one of its radiating ...
    • Efecto de la variación angular en el vértice de alimentación de la antena fractal de Sierpinski 

      Puente Baliarda, Carles; Navarro Bernal, Manuel; Romeu Robert, Jordi; Pous Andrés, Rafael (1997)
      Conference report
      Open Access
    • Enhacing robustness of handset antennas to finger loading effects 

      Anguera, Jaume; Camps, Albert; Andújar, A.; Puente Baliarda, Carles (Institution of Electrical Engineers, 2009-07-17)
      Article
      Restricted access - publisher's policy
      A novel handset antenna consisting of two small antennas is proposed to mitigate finger loading effects. Both antennas are excited with a different phase in order to maximise the bandwidth. A phantom hand has been used to ...
    • Enhancing the performance of handset antennas by means of groundplane design 

      Anguera Pros, Jaume; Sanz, Ivan; Sanz, Alfonso; Gala, David; Condes, Antonio; Puente Baliarda, Carles; Soler, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2006)
      Conference report
      Restricted access - publisher's policy
    • Fractal antennas 

      Puente Baliarda, Carles (Universitat Politècnica de Catalunya, 1997-06-30)
      Doctoral thesis
      Open Access
      Las antenas son dispositivos esencialmente de banda estrecha; es decir, su comportamiento es altamente dependiente de la frecuencia de operación. La relación entre la longitud de onda de trabajo y el tamaño de la antena ...
    • Fractal design of multiband and low side-lobe arrays 

      Puente Baliarda, Carles; Pous Andrés, Rafael (1996-05)
      Article
      Open Access
      Most array factor design techniques are highly dependent on the operating wavelength. In this paper, a novel technique based on fractal structures is described for multiband operation. The analysis is focused in two different ...
    • Fractal multiband antenna based on the sierpinski gasket 

      Puente Baliarda, Carles; Romeu Robert, Jordi; Pous Andrés, Rafael; García, X; Benítez, F (Institution of Electrical Engineers, 1996-01)
      Article
      Open Access
      Experimental and computed results show a multiband behaviour over five bands for the new fractal Sierpinski antenna. Such a behaviour is based on the self-similarity properties of the antenna's fractal shape, which might ...
    • Fractal multiband patch antenna 

      Borja, C.; Puente Baliarda, Carles; Romeu Robert, Jordi; Anguera Pros, Jaume (European Space Agency (ESA), 2000)
      Conference report
      Restricted access - publisher's policy
      The multiband behaviour of the Sierpinski patch antenna is described in this paper. Experimental results show that the self similarity properties of the fractal shape are translated into its electromagnetic behaviour.