Now showing items 1-4 of 4

  • Numerical study of intervertebral prosthesis 

    Pérez, A.; Aliguer Piferrer, Ignasi; López Garello, Carlos María; Carol, Ignacio; Molina, A. (CIMNE, 2015)
    Conference lecture
    Open Access
    Lumbar interbody fusion is a lumbar surgical procedure that consists of replacing the intervertebral disk with a stiff prosthetic device (the fusion cage), with the purpose of promoting bone growth in between the two ...
  • On the radiation psttern of the L-shaped wire antenna 

    Andújar, A.; Anguera, Jaume; Puente Baliarda, Carles; Pérez, A. (2009)
    Article
    Restricted access - publisher's policy
  • Sampling design variance estimation of small area estimators in the Spanish Labour Force Survey 

    Herrador, M.; Morales, Domingo; Esteban, M. D.; Sánchez, Ángel; Santamaría Arana, Laureano; Marhuenda, Y.; Pérez, A. (Institut d'Estadística de Catalunya, 2008)
    Article
    Open Access
    The main goal of this paper is to Investigate how to estimate sampling design variances of modelbased and model-assisted small area estimators in a complex survey sampling setup. For this purpose the Spanish Labour Force ...
  • Tunable dual-band filters based on capacitive-loaded stepped-impedance resonators 

    Girbau Sala, David; Lázaro Guillén, Antoni; Pérez, A.; Martínez, Ester; Pradell i Cara, Lluís; Villarino Villarino, Ramón (2009)
    Conference report
    Open Access
    This paper proposes the design of tunable dual-band filters for multi-band multi-standard systems. The main objective is to provide frequency tunability in the second band while maintaining the first band fixed. To this ...