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Ara es mostren els items 29-48 de 82

    • 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)
      Text en actes de congrés
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    • 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)
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      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)
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      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
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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)
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    • 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
      Accés restringit per política de l'editorial
      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)
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    • Fractal antennas 

      Puente Baliarda, Carles (Universitat Politècnica de Catalunya, 1997-06-30)
      Tesi
      Accés obert
      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
      Accés obert
      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
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      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)
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      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.

    • Fractal-shaped antennas and their application to GSM 900/1800 

      Puente Baliarda, Carles; Anguera Pros, Jaume; Romeu Robert, Jordi; Borja, C.; Navarro, Mónica; Soler, Jordi (2001)
      Article
      Accés restringit per política de l'editorial

    • Ground plane boosters to provide multi-band operation in wireless handheld devices 

      Andújar, A.; Anguera Pros, Jaume; Puente Baliarda, Carles (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Recent demand for multifunctional wireless devices has increased the challenge for the antenna designe rs, who has to address it by providing small antennas able to oper ate in multiple communication standards. This ...

    • Handset antenna array to mitigate the finger loading effect 

      Anguera Pros, Jaume; Andújar Linares, Aurora; Cobo, Yolanda; Picher, C.; Puente Baliarda, Carles (2011)
      Text en actes de congrés
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      The effect of the human hand over the electromagnetic behavior of handset antennas is an important aspect that should be taken into account. In this r egard, the finger loading is a critical issue since it may det une ...

    • Handset antenna design for FM reception 

      Anguera Pros, Jaume; Aguilar, David; Vergés, Jordi; Ribó, Miquel; Puente Baliarda, Carles (IEEE, 2008)
      Text en actes de congrés
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      A passive internal handset antenna for FM reception is presented. Several prototypes have been simulated and tested showing the interesting potential of this solution to eliminate the long cable 1 meter length used at the ...

    • How much can be reduced the internal FM antenna of mobiles phones? 

      Borja, C.; Anguera Pros, Jaume; Puente Baliarda, Carles; Vergés, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
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      The paper introduces both a new internal FM antenna for mobile phones based on the fractal Hilbert curve, and a new evaluation criterion for quantifying the quality of the signal received by the FM antenna of mobile phones. ...

    • Impact of the antenna technology and the antenna parameters on the performance of MIMO systems 

      Borja, C.; Algans, Albert; Royo, Marc; Anguera Pros, Jaume; Puente Baliarda, Carles (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Influence of handset components into the behavior of a handset antenna in a slotted ground plane 

      Bujalance Jurado, Adrián; Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles (2013-08)
      Article
      Accés restringit per política de l'editorial
      The influence of handset components needs to be analyced in order to optimize the integration of the antenna into a handset device.

    • Iterative network model to predict the behaviour of a Sierpinski fractal network [antennas] 

      Borja Borau, Carmen; Puente Baliarda, Carles; Median, Miguel Angel (Institution of Electrical Engineers, 1998-07)
      Article
      Accés obert
      A simple, fast, numerical model to predict the input parameters of a network with the topology of the Sierpinski gasket fractal shape, is introduced. The usefulness of the model is shown through comparison with experimental ...