Exploració per tema "Metrology"

Ara es mostren els items 1-20 de 52

    • 3D Aircraft Measurements 

      De La Hoz Hernandez, Clara (Universitat Politècnica de Catalunya, 2015-09)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Institut Supérieur de l'Aéronautique et de l'Espace / ATR Aircraft

    • A semi-automation procedure for dial comparators calibration 

      Garcia Benadí, Albert; Shariat Panahi, Shahram; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this article an improvement of a calibration process of measurement equipment in the field of dimensional metrology is presented. Devices under calibration process are dial comparators. The semi-automated process is ...

    • Active illumination focus variation 

      Bermúdez, Carlos; Martínez Marín, Pol; Cadevall Artigues, Cristina; Artigas Pursals, Roger (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Focus Variation (FV) has been successfully employed for the three-dimensional measurement of rough surfaces. The technique relies on scanning the sample under inspection across the depth of focus of a high numerical aperture ...

    • Alineamiento del sincrotrón ALBA 

      Villalobos Gasca, Albert (Universitat Politècnica de Catalunya, 2008-06)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Este texto pretende explicar al lector de manera básica el funcionamiento de un acelerador de partículas, en concreto el sincrotrón ALBA, podremos observar algunos de sus componentes más destacados así como su funcionamiento. ...

    • Application of matched digital filters to noisy fringe-patterns from complex wavefronts 

      Caum Aregay, Jesús; Arasa Marti, Jose; Royo Royo, Santiago; Ares Rodríguez, Miguel (Proc.SPIE Press, 2005-06-13)
      Article
      Accés obert

    • Balança de Kibble o de Watt 

      Garcia Benadí, Albert (Institut d'Estudis Catalans (IEC), 2023-04-28)
      Article
      Accés obert

    • Binocular open-view system to perform estimations of aberrations and scattering in the human eye 

      García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat (2015-11-10)
      Article
      Accés obert
      We present a system that integrates a double-pass (DP) instrument and a Hartmann-Shack (HS) wavefront sensor to provide information not only on aberrations, but also on scattering occurring in the human eye. A binocular ...

    • Calibratges en metrologia 

      Surroca i Torrents, Jordi (Universitat Politècnica de Catalunya, 2007-06)
      Projecte/Treball Final de Carrera
      Accés obert
      El plantejament bàsic del projecte és el de crear una eina útil i versàtil per tal d’agilitzar els treballs de calibratge. Un calibratge no deixa de ser una tasca manual que realitza un operari, per tant, es pretén crear ...

    • Complex light-assisted optical metrology techniques 

      Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The on-demand tailoring of the properties of light, such as phase, polarization or spatial shape, has completely changed the landscape of photonic-based applications. In this way, complex light fields have become an ...

    • Confocal unrolled areal measurements of cylindrical surfaces 

      Matilla Sánchez, Aitor; Bermúdez Porras, Carlos; Mariné, Jordi; Martínez López, David; Cadevall Artigues, Cristina; Artigas Pursals, Roger (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Confocal microscopes are widely used for areal measurements thanks to its good height resolution and the capability to measure high local slopes. For the measurement of large areas while keeping few nm of system noise, it ...

    • Current Developments on Optical Feedback Interferometry as an All-Optical Sensor for Biomedical Applications 

      Perchoux, Julien; Quotb, Adam; Atashkhooei, Reza; Azcona Guerrero, Francisco Javier; Ramírez Miquet, Evelio E.; Bernal, Olivier; Jha, Ajit; Luna Arriaga, Antonio; Yáñez Alvarado, Carlos René; Caum Aregay, Jesús; Bosch, Thierry; Royo Royo, Santiago (2016-05-13)
      Article
      Accés obert
      Optical feedback interferometry (OFI) sensors are experiencing a consistent increase in their applications to biosensing due to their contactless nature, low cost and compactness, features that fit very well with current ...

    • Design of adaptative digital filters for phase extraction in complex fringe patterns obtained using the Ronchi test 

      Caum Aregay, Jesús; Arasa Marti, Jose; Royo Royo, Santiago; Ares Rodríguez, Miguel (2012-02-15)
      Article
      Accés obert

    • Development of confocal-based techniques for shape measurements on structured surfaces containing dissimilar materials 

      Cadevall Artigues, Cristina; Artigas Pursals, Roger; Laguarta Bertran, Ferran (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2003)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      One of the applications, which is considered to be very difficult to carry out with most optical imaging profilers, is the shape and texture measurements of structured surfaces obtained from the superposition of various ...

    • Disseny i fabricació d’un braç articulat de mesura tridimensional per coordenades (BAMC) 

      Tuduri Benejam, Miquel (Universitat Politècnica de Catalunya, 2023-10-30)
      Treball Final de Grau
      Accés obert
      Els braços articulats de mesura per coordenades (BAMC) són un dels instruments metrològics més versàtils del mercat. Actualment, es troben implementats sobretot en centres de fabricació industrials per processos de control ...

    • Effect of atmospheric anisoplanatism on earth-to-satellite time transfer over laser communication links 

      Belmonte Molina, Aniceto; Taylor, Michael T.; Hollberg, Leo; Kahn, J. M. (2017-07-10)
      Article
      Accés obert
      The need for an accurate time reference on orbiting platforms motivates study of time transfer via free-space optical communication links. The impact of atmospheric turbulence on earth-to-satellite optical time transfer ...

    • Equivalence regimes for geometric quantum discord and local quantum uncertainty 

      Cordero Salvador, Oscar; Villegas Juárez, Arturo; Álvarez, Juan Rafael; De León Montiel, Roberto de J.; Passos, Marcello H. M.; Torres, Juan P. (American Physical Society, 2021-10-01)
      Article
      Accés obert
      The concept of quantum discord aims at unveiling quantum correlations that go beyond those described by entanglement. Its original formulation [L. Henderson and V. Vedral, J. Phys. A: Math. Gen. 34, 6899 (2001); H. Ollivier ...

    • Étude de précision de 3 differents systèmes de mesure en 3 dimensions 

      Camp García, Marc (Universitat Politècnica de Catalunya / Université du Québec. École de Technologie Supérieure, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Le principal objectif de ce document est de faire une étude comparative de différents systèmes de mesure disponibles dans le marché actuellement. Dans la première partie du projet on va étudier la précision de chaque ...

    • Gestión de calibres para departamento de metrología 

      López Vega, Daniel (Universitat Politècnica de Catalunya, 2007-02)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   SEAT S.A.

    • Impact of atmospheric anisoplanaticity on earth-to-satellite time transfer over laser communication links 

      Belmonte Molina, Aniceto; Taylor, Michael T.; Hollberg, Leo; Kahn, J. M. (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The need for an accurate time and position reference on orbiting platforms motivates the study of time transfer over satellite optical communication links. The transfer of precise optical clock signals to space would benefit ...

    • Informe de calibració de balances 2015 

      Trillas i Gay, Enric (2015-02-06)
      Report de recerca
      Accés restringit per acord de confidencialitat