Exploració per tema "Band-pass filters"

Ara es mostren els items 1-12 de 12

    • A family of gradient descent grid frequency estimators for the SOGI filter 

      Matas Alcalá, José; Martín Cañadas, María Elena; Hoz Casas, Jordi de la; Abusorrah, A.; Al-Turki, Y.A.; Al-Hindawi, M. (2017-09-04)
      Article
      Accés restringit per política de l'editorial
      This paper applies the adaptive gradient descent method to the second-order generalized integrator (SOGI) filter in order to find an online estimation algorithm for the grid frequency, which leads to the proposal of three ...

    • A novel algorithm for fast BCG cycle extraction in ambulatory scenarios 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A novel algorithm JDet for ballistocardiogram (BCG) cycle extraction is presented that is intended for the fast generation of ensemble averages in ambulatory scenarios where the ECG signal is not available. First, the ...

    • Cardiac interference reduction in diaphragmatic MMG signals during a maintained inspiratory pressure test 

      Sarlabous Uranga, Leonardo; Torres Cebrián, Abel; Fiz Fernández, José Antonio; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
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      A recursive least square (RLS) adaptive filtering algorithm for reduction of cardiac interference in diaphragmatic mecanomyographic (MMGdi) signals is addressed in this paper. MMGdi signals were acquired with a capacitive ...

    • Digitally programmable MOS resistive circuit 

      Alarcón Cot, Eduardo José; Martínez García, Herminio; Vidal López, Eva María; Poveda López, Alberto (Institution of Electrical Engineers, 2002-01)
      Article
      Accés restringit per política de l'editorial
      A mixed-signal cell is presented which operates as a digitally-controlled differential resistor and is suited to programmable continuous-time MOSFET-C filter applications. The cell is based on a digitally-controlled extension ...

    • Efficient production binning using octree tessellation in the alternate measurements space 

      Gómez Pau, Álvaro; Balado Suárez, Luz María; Figueras Pàmies, Joan (2015)
      Article
      Accés obert
      Binning after volume production is a widely accepted technique to classify fabricated ICs into different clusters depending on different degrees of specification compliance. This allows the manufacturer to sell non optimal ...

    • Electronically tunable switch-mode high-efficiency adaptive band-pass filters for energy harvesting applications 

      Gomez Cid-Fuentes, Raül; Martínez García, Herminio; Poveda López, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
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      Wireless Sensor Networks (WSN) present a pending challenge for a complete deployability due to energy requirements. The Self-Powered WSN approach aims to extend the sensor node life by means of Energy Harvesting. The ...

    • EMG-Derived Respiration Signal using the Fixed Sample Entropy during an Inspiratory Load Protocol 

      Estrada, Luis; Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Comunicació de congrés
      Accés obert
      Extracting clinical information from one single measurement represents a step forward in the assessment of the respiratory muscle function. This attracting idea entails the reduction of the instrumentation and fosters to ...

    • N-Plexer and N-Band acoustic filters based on transversal configuration 

      Perea Robles, Rafael; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
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      This work shows the feasibility of using filters with transversal configuration to create N-Plexers and N-Band responses, by directly connecting several BAW filters in a transversal manner. The new multi-filtering solutions ...

    • Neural respiratory drive estimation in respiratory sEMG with cardiac arrhythmias 

      Estrada Petrocelli, Luis Carlos; Jané Campos, Raimon; Torres Cebrián, Abel (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      Neural respiratory drive as measured by the electromyography allows the study of the imbalance between the load on respiratory muscles and its capacity. Surface respiratory electromyography (sEMG) is a non-invasive tool ...

    • Preliminary results of FENIX: front-end GNSS interference eXcisor 

      Querol Borràs, Jorge; Julián Ortín, Eva Maria; Onrubia Ibáñez, Raúl; Alonso Arroyo, Alberto; Pascual Biosca, Daniel; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
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      The number of applications based on Global Navigation Satellite Systems (GNSS) has been increasing in last years. In the passive remote sensing field, GNSS-Reflectometry (GNSS-R) systems have been revealed as cost-effective ...

    • Respiratory rate detection by empirical mode decomposition method applied to diaphragm mechanomyographic signals 

      Estrada, Luis; Torres Cebrián, Abel; Sarlabous Uranga, Leonardo; Fiz Fernández, José Antonio; Jané Campos, Raimon (2014)
      Text en actes de congrés
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      Non-invasive evaluation of respiratory activity is an area of increasing research interest, resulting in the appearance of new monitoring techniques, ones of these being based on the analysis of the diaphragm mechanomyographic ...

    • Wideband transversal acoustic wave filters. Application to connected cars 

      Perea Robles, Rafael; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the synthesis and circuit transformations of acoustic wave filters based on a transversal arrangement of the individual resonators. This configuration allows for the synthesis of any filter response ...