• M-wave changes caused by brief voluntary and stimulated isometric contractions 

      Rodríguez Falces, Javier Upna Orcid; Malanda Trigueros, Armando Upna Orcid; Navallas Irujo, Javier; Place, Nicolas (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Introduction Under isometric conditions, the increase in muscle force is accompanied by a reduction in the fbers’ length. The efects of muscle shortening on the compound muscle action potential (M wave) have so far been ...
    • Magnetic binary encoding system based on 3D printing and GMI detection prototype 

      Beato López, Juan Jesús Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Galarreta Rodríguez, Itziar; López Ortega, Alberto Upna Orcid; Garayo Urabayen, Eneko Upna Orcid; Gómez Polo, Cristina Upna Orcid; Aresti Bartolomé, Maite; Soria Picón, Eneko; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      In this work, the feasibility of a magnetic binary encoding system using 3D printing technology is analyzed. The study has a double interest, that is, the possibility of printing a 3D piece that contains the codified ...
    • Mapping the conductivity of graphene with electrical resistance tomography 

      Cultrera, Alessandro; Serazio, Danilo; Zurutuza, Amaia; Centeno, Alba; Txoperena, Ohiana; Etayo Salinas, David Upna; Cordón, Álvaro; Redo Sánchez, Albert; Arnedo Gil, Israel Upna Orcid; Ortolano, Massimo; Callegaro, Luca (Nature Research, 2019)   Artículo / Artikulua  OpenAccess
      Electronic applications of large-area graphene films require rapid and accurate methods to map their electrical properties. Here we present the first electrical resistance tomography (ERT) measurements on large-area graphene ...
    • Masked least-squares averaging in processing of scanning-EMG recordings with multiple-discharges 

      Corera Orzanco, Íñigo Upna Orcid; Malanda Trigueros, Armando Upna Orcid; Rodríguez Falces, Javier Upna Orcid; Navallas Irujo, Javier Upna Orcid (Springer, 2020)   Artículo / Artikulua  OpenAccess
      Removing artifacts from nearby motor units is one of the main objectives when processing scanning-EMG recordings. Methods such as median filtering or masked least-squares smoothing (MLSS) can be used to eliminate artifacts ...
    • A masked least-squares smoothing procedure for artifact reduction in scanning-EMG recordings 

      Corera Orzanco, Íñigo Upna Orcid; Eciolaza Ferrando, Adrián Upna; Rubio Zamora, Oliver Upna; Malanda Trigueros, Armando Upna Orcid; Rodríguez Falces, Javier Upna Orcid; Navallas Irujo, Javier Upna Orcid (Springer, 2018)   Artículo / Artikulua  OpenAccess
      Scanning-EMG is an electrophysiological technique in which the electrical activity of the motor unit is recorded at multiple points along a corridor crossing the motor unit territory. Correct analysis of the scanning-EMG ...
    • Maximum expected ramp rates using cloud speed sensor measurements 

      Wang, Guang Chao; Kurtz, Ben; Bosch, Juan Luis; Parra Laita, Íñigo de la Upna Orcid; Kleissl, Jan (American Institute of Physics, 2020)   Artículo / Artikulua  OpenAccess
      Large ramps and ramp rates in photovoltaic (PV) power output are of concern and sometimes even explicitly restricted by grid operators. Battery energy storage systems can smooth the power output and maintain ramp rates ...
    • Measurement of paracetamol concentration using an erbium-doped fiber ring cavity 

      Soares, Liliana; Pérez Herrera, Rosa Ana Upna Orcid; Novais, Susana; Ferreira, António; Silva, Susana; Frazão, Orlando (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      Process Analytical Technology (PAT) has been increasingly used in the pharmaceutical industry to monitor essential parameters in real-time during pharmaceutical processes. The concentration of Active Pharmaceutical Ingredients ...
    • Las medidas de acción positiva a favor de la mujer en la empresa 

      Rodríguez Sanz de Galdeano, Beatriz Upna Orcid (Thomson Reuters-Aranzadi, 2020)   Capítulo de libro / Liburuen kapitulua
    • Medium-voltage cascaded sequential topology for large-scale PV plants 

      Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Balda Belzunegui, Julián; Navarrete, Manuel; González Senosiain, Roberto Upna; Sanchis Gúrpide, Pablo Upna Orcid (Institute of Electrical and Electronics Engineers Inc., 2021)   Artículo / Artikulua  OpenAccess
      Photovoltaic (PV) conversion systems are in continuous development due to their increasingly competitive prices. The traditional configuration of large-scale PV plants is based on high-power central inverters, which have ...
    • Meta-surface wall suppression of mutual coupling between microstrip patch antenna arrays for THz-band applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid (EMW Publishing, 2018)   Artículo / Artikulua  OpenAccess
      This paper presents a novel 2D meta-surface wall to increase the isolation between microstrip patch radiators in an antenna array that is operating in the teraherz (THz) band of 139-141 GHz for applications including ...
    • Metageometries for polycyclic aromatic hydrocarbons detection at THz range in food systems 

      Jáuregui López, Irati Upna Orcid; Insausti Barrenetxea, Kizkitza Upna Orcid; Beriain Apesteguía, María José Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Polycyclic aromatic hydrocarbons, when present in food systems, have been shown to have a detrimental effect on human health, producing carcinogenic elements. So, the implementation of processes for their detection and ...
    • Metal 3D printing for RF/microwave high-frequency parts 

      Martín Iglesias, Petronilo; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María; Teberio Berdún, Fernando Upna Orcid; Arregui Padilla, Iván Upna Orcid; Marechal, M.; Calves, P.; Hazard, M.; Pambaguian, L.; Brandao, A.; Rodríguez Castillo, S.; Martin, T.; Percaz Ciriza, Jon Mikel Upna Orcid; Iza, V.; Martín-Iglesias, Santiago (Springer, 2022)   Artículo / Artikulua  OpenAccess
      Space Systems have been historically characterised by high performance, high reliability and high cost. Every new generation of space systems tends to improve performance, keep as much as possible reliability, speeding ...
    • Metal-free design of a multilayered metamaterial with chirped Bragg grating for enhanced radiative cooling 

      Osuna Ruiz, David; Lezaun Capdevila, Carlos; Torres García, Alicia E. Upna Orcid; Beruete Díaz, Miguel Upna Orcid (Optica, 2023)   Artículo / Artikulua  OpenAccess
      A wideband, all-dielectric metamaterial structure for enhancing radiative cooling is investigated. The structure is optimized to reflect most of the solar irradiance window (between 0.3 µm–3 µm), which is one of the biggest ...
    • Metamaterial inspired electromagnetic bandgap filter for ultra-wide stopband screening devices of electromagnetic interference 

      Al-Hasan, Muath; Alibakhshikenari, Mohammad; Virdee, Bal S.; Sharma, Richa; Iqbal, Amjad; Althuwayb, Ayman Abdulhadi; Falcone Lanas, Francisco Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Presented here is a reactively loaded microstrip transmission line that exhibit an ultra-wide bandgap. The reactive loading is periodically distributed along the transmission line, which is electromagnetically coupled. ...
    • Metamaterial-inspired antenna array for application in microwave breast imaging systems for tumor detection 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; Ojaroudi Parchin, Naser; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Huynen, Isabelle; Denidni, Tayeb A.; Limiti, Ernesto (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      This paper presents a study of a planar antenna-array inspired by the metamaterial concept where the resonant elements have sub-wavelength dimensions for application in microwave medical imaging systems for detecting tumors ...
    • Metamaterials and their application in the performance enhancement of reconfigurable antennas: a review 

      Hussain, Musa; Awan, Wahaj Abbas; Alzaidi, Mohammed S.; Hussain, Niamat; Ali, Esraa Mousa; Falcone Lanas, Francisco Javier Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      Metamaterials exhibit properties in terms of subwavelength operation or phase manipulation, among others, that can be used in a variety of applications in 5G communication systems. The future and current 5G devices demand ...
    • A metasurface-based single-layered compact AMC-backed dual-band antenna for off-body IoT devices 

      Ahmad, Sarosh; Paracha, Kashif Nisar; Sheikh, Yawar Ali; Ghaffar, Adnan; Butt, Arslan Dawood; Alibakhshikenari, Mohammad; Soh, Ping Jack; Khan, Salahuddin; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      In this article, a compact printed monopole dual-band antenna using artificial magnetic conductor (AMC)-plane with improved gain and broader bandwidth, applicable for off-body internet of things (IoT) devices is presented. ...
    • Metasurface-based wideband MIMO antenna for 5G millimeter-wave systems 

      Sehrai, Daniyal Ali; Asif, Muhammad; Shah, Wahab Ali; Khan, Jalal; Ullah, Ibrar; Ibrar, Muhammad; Jan, Saeedullah; Alibakhshikenari, Mohammad; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Institute of Electrical and Electronics Engineers Inc., 2021)   Artículo / Artikulua  OpenAccess
      This paper presents a metasurface based multiple-input multiple-output (MIMO) antenna with a wideband operation for millimeter-wave 5G communication systems. The antenna system consists of four elements placed with a 90 ...
    • Metasurface-inspired flexible wearable MIMO antenna array for wireless body area network applications and biomedical telemetry devices 

      Althuwayb, Ayman Abdulhadi; Alibakhshikenari, Mohammad; Virdee, Bal S.; Rashid, Nasr; Kaaniche, Khaled; Atitallah, Ahmed Ben; Armghan, Ammar; Elhamrawy, Osama I.; See, Chan H; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      This article presents a sub-6GHz ISM-band flexible wearable MIMO antenna array for wireless body area networks (WBANs) and biomedical telemetry devices. The array is based on metasurface inspired technology. The antenna ...
    • Microdrilled tapers to enhance optical fiber lasers for sensing 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      In this work, an experimental analysis of the performance of different types of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror is presented. These artificially-controlled ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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