Ara es mostren els items 1-20 de 40

  • Amplificador Wi-fi 

    Fernandez Ducable, Didac (Universitat Politècnica de Catalunya, 2008-02)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    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
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    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)
    Text en actes de congrés
    Accés obert
  • 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
    Accés obert
    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
    Accés obert
    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
    Accés obert
    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
    Accés obert
    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
    Accés restringit per política de l'editorial
    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, Antonio (1985)
    Text en actes de congrés
    Accés obert
    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)
    Projecte Final de Màster Oficial
    Accés restringit per política de l'editorial
    [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 ...
  • Desarrollo de software propio para el análisis no lineal de resonadores y filtros BAW 

    Perea Robles, Rafael (Universitat Politècnica de Catalunya, 2017-07-17)
    Projecte Final de Màster Oficial
    Accés restringit per acord de confidencialitat
    The number of wireless applications that a handset device holds is tending to increase because the user request to use all these applications by using one single device. Thus, the RF designers are struggling to find ...
  • Desenvolupament de BALUNS multimodals basats en tes coplanars 

    Queralt Jarne, Martí (Universitat Politècnica de Catalunya, 2016)
    Projecte/Treball Final de Carrera
    Accés obert
  • Desenvolupament i estudi comparatiu d'oscil·ladors locals per a un radiòmetre en banda L 

    Castro Ríos, Eva (Universitat Politècnica de Catalunya, 2016-09)
    Projecte/Treball Final de Carrera
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  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)
    Projecte/Treball Final de Carrera
    Accés obert
    [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 Garcia De Valdecasas, Susana (Universitat Politècnica de Catalunya, 2016-07-28)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
  • Diseño de filtros de microondas banda eliminada multimodales compactos 

    Ten, Milena (Universitat Politècnica de Catalunya, 2016)
    Projecte/Treball Final de Carrera
    Accés obert
  • Diseño de un amplificador de microondas monolítico para aplicaciones de vuelo 

    Bustamante Garrés, Gonzalo (Universitat Politècnica de Catalunya, 2012-07-11)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    Realitzat a/amb:  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 ...