Now showing items 1-20 of 43

  • Amplificador Wi-fi 

    Fernandez Ducable, Didac (Universitat Politècnica de Catalunya, 2008-02)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Este trabajo explica detalladamente el proceso de fabricación de un circuito de Microondas, es decir; que opera a altas frecuencias. En él, se ha detallado específicamente todos los pasos que se deben dar para que dicho ...
  • A multistate single-connection calibration for microwave microfluidics 

    Orloff, Nathan D.; Ma, Xiao; Little, Charles A. E.; Mateu Mateu, Jordi (IEEE Microwave Theory and Techniques Society, 2017-10-12)
    Article
    Open Access
    With emerging medical, chemical, and biological applications of microwave-microfluidic devices, many researchers desire a fast and accurate calibration that can be achieved in a single connection. However, traditional ...
  • Análisis de geometrías fractales para resonadores microstrip 

    Extremera Extremera, Manuel Jesus (Universitat Politècnica de Catalunya, 2016-02-25)
    Master thesis (pre-Bologna period)
    Open Access
    Usage and popularity growth of communications satellites has increased the interest on filter synthesis research. Nowadays, the improvement of the trade-off between size, weight, cost and performance is the golden rule. ...
  • Automatización y control de un motor a pasos para la sintonización de filtros de microondas 

    Benet Freissinier, Josep (Universitat Politècnica de Catalunya, 2010-12-15)
    Master thesis (pre-Bologna period)
    Open Access
    Català: L'objectiu del projecte és ajustar de forma automàtica la freqüència central de un ressonador de microones a la freqüència que desitgi l'usuari. Per aconseguir-ho, s'introdueix la freqüència desitjada al software ...
  • Caracterización de estructuras finline en banda K mediante la técnica de calibración TRL 

    Martorell, J. M.; Pradell i Cara, Lluís (1990)
    Conference report
    Open Access
  • Circuit model for a coplanar-slotline cross 

    Ribó i Pal, Miquel; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-12-31)
    Article
    Open Access
    A new 6-port “circuit-model” for coplanar-slotline crosses is presented. The model is based on the separation of the two fundamental Coplanar Waveguide (CPW) modes (even and odd) into different ports. It generalizes previous ...
  • Circuit model for coplanar-slotline tees 

    Ribó i Pal, Miquel; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-05-31)
    Article
    Open Access
    Coplanar-slotline tees have been used in a number of microwave circuits, although no complete models were available to explain their behavior. In this letter, a new “circuit-model” for a coplanar-slotline tee is presented. ...
  • Circuit model for coplanar-slotline tees 

    Ribó i Pal, Miquel; Pradell i Cara, Lluís (2000-05)
    Article
    Open Access
    Coplanar-slotline tees have been used in a number of microwave circuits, although no complete models were available to explain their behavior. In this letter, a new
  • Circuit Model for mode conversion in coplanar waveguide assymmetric shunt impedances 

    Ribó i Pal, Miquel; Pradell i Cara, Lluís (IEE-INST ELEC ENG, 1999-04-30)
    Article
    Open Access
    A new `circuit model' for the conversion between even and odd modes in coplanar waveguide asymmetric shunt impedances is presented. The model is based on the separation of modes into two input and two output ports. In ...
  • Combining SMOS with visible and near/shortwave/thermal infrared satellite data for high resolution soil moisture estimates 

    Sanchez Ruiz, Sergio; Piles Guillem, Maria; Sanchez, Nilda; Martinez Fernandez, Jose; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Elsevier, 2014-08-04)
    Article
    Restricted access - publisher's policy
    Sensors in the range of visible and near-shortwave-thermal infrared regions can be used in combination with passive microwave observations to provide soil moisture maps at much higher spatial resolution than the original ...
  • Conmutador de microondas con transistor MESFET encapsulado 

    Comerón Tejero, Adolfo; Elias Fusté, Antoni (1985)
    Conference report
    Open Access
    A packaged GaAs MESFET has been used to implement a fast switch at frequencies around 12 GHz. The insertion loss in the ON state is approximately 2 dB between 9 and 13 GHz. In the OFF state the insertion loss can be higher ...
  • Contribucions a instruments per a reflectometria de senyals de posicionament global 

    Onrubia Ibáñez, Raúl (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis
    Restricted access - publisher's policy
    [ANGLÈS] The thesis presents 4 papers written about the contributions made to two different instruments being developed at RSLab, mainly at hardware level. The first instrument is a dual-band (L1 and L5) conventional and ...
  • Desenvolupament de BALUNS multimodals basats en tes coplanars 

    Queralt Jarne, Martí (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
  • Desenvolupament i estudi comparatiu d'oscil·ladors locals per a un radiòmetre en banda L 

    Castro Ríos, Eva (Universitat Politècnica de Catalunya, 2016-09)
    Master thesis (pre-Bologna period)
    Open Access
    This thesis has been developed in the frame of the ESA scientific mission SMOS. Its purpose is to retrieve data about the soil moisture and ocean salinity in order to track extreme meteorological phenomena and to improve ...
  • Design of a Chipless Harmonic Radar Temperature Sensor 

    Romeu Gómez, Jordi (Universitat Politècnica de Catalunya / Technische Universität Darmstadt, 2013-09-10)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Technische Universität Darmstadt
    [ANGLÈS] Passive chipless wireless sensor tags are used in environments with specific conditions where chips, wires or power supplies cannot be used. Nowadays a huge part of these sensors use Surface Acoustic Wave (SAW) ...
  • Design of a Temperature Sensitive Band Pass Filter for a Chipless Harmonic Radar Sensor 

    Romeu Gómez, Jordi (Universitat Politècnica de Catalunya / Technische Universität Darmstadt, 2013-09-26)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Passive chipless wireless sensor tags are used in environments with specific conditions where chips, wires or power supplies cannot be used. Nowadays a huge part of these sensors use Surface Acoustic Wave (SAW) ...
  • Design of planar probes for stent monitoring 

    Amorós García de Valdecasas, Susana (Universitat Politècnica de Catalunya, 2016-07-28)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • Development and experimental characterization of frequency-reconfigurable microwave amplifiers 

    Carrera Escalé, Pol (Universitat Politècnica de Catalunya, 2019-07)
    Bachelor thesis
    12 months embargo
    Frequency-reconfigurable amplifiers have become a topic of interest because of the need for compact, light-weight and inexpensive communication systems able to operate at different frequency bands. Key subsystems in ...
  • Diseño de filtros de microondas banda eliminada multimodales compactos 

    Ten, Milena (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
  • Diseño de un amplificador de microondas monolítico para aplicaciones de vuelo 

    Bustamante Garrés, Gonzalo (Universitat Politècnica de Catalunya, 2012-07-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Covenantee:  Mier Comunicaciones
    [ANGLÈS] This work, born from an educational agreement between UPC university and Mier Comunicaciones company, covers the design and production of a monolithic microwave amplifier in the frame of an institutional project ...