Exploració per tema "ultrasound"

Ara es mostren els items 1-12 de 12

    • Advanced technologies for the improvement of spray application techniques in spanish viticulture: an overview 

      Gil Moya, Emilio; Arnó Satorra, Jaume; Llorens Calveras, Jordi; Sanz Cortiella, Ricardo; Llop Casamada, Jordi; Rosell-Polo, Joan R.; Gallart González-Palacio, Montserrat; Escolà, Alexandre (2014-01-02)
      Article
      Accés obert
      Spraying techniques have been undergoing continuous evolution in recent decades. This paper presents part of the research work carried out in Spain in the field of sensors for characterizing vineyard canopies and monitoring ...

    • Characterization of brain development in preterm children using ultrasound images 

      Rabanaque Rodríguez, David (Universitat Politècnica de Catalunya, 2021-10-27)
      Projecte Final de Màster Oficial
      Accés obert
      El període més important per al desenvolupament del cervell humà és la fase fetal. Durant aquest període de quaranta setmanes, es produeixen canvis morfològics importants al cervell humà, incloent un enorme augment de la ...

    • Controlling light in scattering media using ultrasound modulation 

      Mestre Torà, Blanca (Universitat Politècnica de Catalunya, 2022-07-21)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Universitat de Barcelona
      Light-based methods are fundamental in biology and biomedical sciences. They allow for non-invasive diagnosis and localized treatments with resolutions down to the sub-cellular level. However, light scattering inside ...

    • Design and construction of a photoacoustic imaging setup 

      Rodrigo Arcay, Noel (Universitat Politècnica de Catalunya, 2016-09-07)
      Projecte Final de Màster Oficial
      Accés obert
      Photoacoustic Microscopy (PAM) is a novel imaging technique that is commonly used with samples composed by soft tissue and that can provide penetration beyond the optical diffusion limit while maintaining high resolution. ...

    • Development of a handheld ultrasound receiver for the detection and identification of bat species 

      Blanco López, José Luis (Universitat Politècnica de Catalunya, 2016-09)
      Projecte/Treball Final de Carrera
      Accés obert
      The BAT TUNE project is the development and production of a low cost heterodyne ultrasound receiver that is specifically designed for near professional activity monitoring of the different chiroptera species. The project ...

    • New tool for the assessment of the uterine cervix tissue in pregnant women based on ultrasound texture analysis 

      Triginer Llabrés, Laura (Universitat Politècnica de Catalunya, 2016-01)
      Treball Final de Grau
      Accés obert
      Background: Preterm delivery is the first cause of mortality in fetuses. Measuring the cervix length is used to predict the risk of a preterm delivery but it perfoms poorly as a predictive tool, so other methods are needed. ...

    • Nodo de medida de distancia por ultrasonidos para la red de sensores de un robot humanoide 

      Cerda Casado, Juan de la (Universitat Politècnica de Catalunya, 2016)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Pal Robotics

    • Processing in vivo ultrasound images of the carotid artery 

      Manzano Rodríguez, Ana (Universitat Politècnica de Catalunya, 2021-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   České vysoké učení technické v Praze
      Carotid stenosis is a narrowing of the carotid arteries, the two major arteries that carry oxygen-rich blood from the heart to the brain. This disease is caused by a buildup of plaque (atherosclerosis) inside the artery ...

    • Simultaneous sonochemical-enzymatic coating of medical textiles with antibacterial ZnO nanoparticles 

      Petkova Petkova, Petya Stoyanova; Francesko, Antonio; Perelshtein, Ilana; Gedanken, Aharon; Tzanov, Tzanko (2016-03-01)
      Article
      Accés obert
      The antimicrobial finishing is a must for production of medical textiles, aiming at reducing the bioburden in clinical wards and consequently decreasing the risk of hospital-acquired infections. This work reports for the ...

    • Sistema de posicionament relatiu per a vehicles submarins 

      Martí Carrillo, Felip (Universitat Politècnica de Catalunya, 2012-06-18)
      Projecte/Treball Final de Carrera
      Accés obert
      En aquesta memòria s'ha tractat l'afer del posicionament de vehicles submarins, es mencionen els diferents sistemes de posicionament que es poden emprar, a fi de realitzar un disseny i un prototip per a un sistema de ...

    • Ultrasonic thickness gauge for pipes 

      Farré Bravo, Joan (Universitat Politècnica de Catalunya, 2017-10)
      Treball Final de Grau
      Accés obert
      This thesis is about the development and implementation of a prototype for an ultrasonic thickness gauge for plastic and metallic pipes. It starts with a theoretical basis about ultrasounds and the non-destructive tests ...

    • Ultrasonic waveguides for laser focusing in turbid media 

      Mendoza Carreño, Jose (Universitat Politècnica de Catalunya, 2020-09-09)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Optical methods are widely used in diagnosis and treatment applications due to its non-invasive nature. However, due to non-uniformities in media such as tissue, light that passes through them is affected by scattering and ...