Now showing items 1-20 of 62

    • 2D Liquid Lens Based on EWOD 

      Ahmadi Zeidabadi, Maziar (Universitat Politècnica de Catalunya, 2012-09-10)
      Master thesis
      Open Access
      [ANGLÈS] This thesis presents the fabrication, development and characteristics of a liquid lens based on electrowetting. Essentially, when the lens is in liquid form, both its position and its curvature can be reversibly ...
    • A methodology for measuring the impact on flight inefficiency of future RPAS operations 

      Pérez Batlle, Marcos; Tadeo, Carlos; Pastor Llorens, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      This paper presents a simple methodology for measuring the impact on flight inefficiency of future Remotely-Piloted Aircraft Systems (RPAS) operations. State-of-the-art inefficiency metrics have been selected and adapted ...
    • A passive available bandwidth estimation methodology 

      Cabellos Aparicio, Alberto; Thompson, John; García, Francisco J.; Domingo Pascual, Jordi (2009-11-30)
      Research report
      Open Access
      The Available Bandwidth (AB) of an end-to-end path is its remaining capacity and it is an important metric for several applications such as overlay routing and P2P networking. That is why many AB estimation tools have been ...
    • A study of the applicability of an in-situ method to characterise multiple resilient elements simultaneously 

      Sánchez Del Río, Álvaro (Universitat Politècnica de Catalunya, 2021-06-22)
      Bachelor thesis
      Open Access
      In this project the validity of an in-situ method to evaluate resilient elements is verified for systems with more than one connection. Potential advantages of this method would be testing elements under more realistic and ...
    • Advanced Methods for the Measurement of Chromatic Dispersion at Optical Frequencies 

      Sarabia Díaz, Eugenia Teresa (Universitat Politècnica de Catalunya, 2015-02-16)
      Master thesis
      Open Access
      Currently, most networks are hybrid, combining fiber with copper wire, but the goal is for them to be completely of fiber. Like any other transmission medium, using fiber has some drawbacks, being chromatic dispersion one ...
    • Algorithm 942: Semi-Stencil 

      de la Cruz, Raúl; Araya-Polo, Mauricio (ACM Digital Library, 2014-04-01)
      Article
      Open Access
      Finite Difference (FD) is a widely used method to solve Partial Differential Equations (PDE). PDEs are the core of many simulations in different scientific fields, such as geophysics, astrophysics, etc. The typical FD ...
    • An autoencoder-based solution for IQ constellation analysis 

      Ruiz Ramírez, Marc; Morales López, Javier; Sequeira, Diogo Gonçalo; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      A method for IQ constellation analysis based on Autoencoders is proposed. Exhaustive numerical results show accurate physical metric prediction and large data compression, while providing useful model explainability.
    • Analysing the impact of a proposed generic quality management of measurement process 

      Galvis Bayer, Hernan (Universitat Politècnica de Catalunya / Cranfield University, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      This thesis analyses the effectiveness of the current process structure across the main Rolls-Royce measurement capability groups, namely: Manufacturing, Material and Chemical Evaluation, Testing, and Sensing for Control ...
    • Analysis and reduction of the distortions induced by time-domain filtering techniques in network analyzers 

      Porrata-Dòria i Yagüe, Ramir de; Broquetas Ibars, Antoni; Martínez, Luís Fernando (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08-31)
      Article
      Open Access
      The removal of isolation errors plays an essential role in the calibration process of radar scattering measurements. One of the most common techniques used for that purpose is time-domain filtering, also known as gating. ...
    • Applying remote sensing and GIS on monitoring and measuring urban sprawl. A case study of China 

      Feng, Li (UPC. Cátedra Unesco de Sostenibilidad, 2009-12)
      Article
      Open Access
      The understanding on urban sprawl in China still rest on qualitative discussion instead of quantitative analysis. There is no clear answer to identify and evaluate the extent of sprawl. The existing methods for measuring ...
    • Automatic generation of workload profiles using unsupervised learning pipelines 

      Buchaca Prats, David; Berral García, Josep Lluís; Carrera Pérez, David (2017-12-27)
      Article
      Open Access
      The complexity of resource usage and power consumption on cloud-based applications makes the understanding of application behavior through expert examination difficult. The difficulty increases when applications are seen ...
    • Automating the application data placement in hybrid memory systems 

      Servat, Harald; Peña, Antonio J.; Llort, German; Mercadal, Estanislao; Hoppe, Hans-Christian; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Multi-tiered memory systems, such as those based on Intel® Xeon Phi™processors, are equipped with several memory tiers with different characteristics including, among others, capacity, access latency, bandwidth, energy ...
    • Basic design of the signal chain in sensor-based measurement systems 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2022-04-19)
      Research report
      Open Access
      Sensor signals do not suit direct electronic communication and need further processing before being digitized. Therefore, the requirements of the digitizer add to those needed to fulfill the basic specifications for the ...
    • Benchmarking the cooperative awareness service at application layer with IEEE 802.11p and LTE-PC5 Mode-4 

      Mendoza, Charmae Franchesca Ugnaya; Lopez, Leandro Miguel Wong; Camps-Mur, Daniel; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Vehicular communications hold the promise of disrupting mobility services and supporting the mass adoption of future autonomous vehicles. Regulators have set aside specific spectrum at the 5.9 GHz band to support Intelligent ...
    • Calibration of an optical probe 

      Rodríguez Maiztegui, Maitane (Universitat Politècnica de Catalunya / Institut National Polytechnique de Grenoble, 2009)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      The aim of the experiment is to calibrate a monofiber optical probe, used in two phase gas-liquid flow, to a speed of 40 m/s. To measure the bubble velocity, the optical probe requires calibration. This procedure consists ...
    • Channel-wise early stopping without a validation set via NNK polytope interpolation 

      Bonet Solé, David; Ortega, Antonio; Ruiz Hidalgo, Javier; Sarath Shekkizhar, Sarath (2021)
      Conference report
      Open Access
      State-of-the-art neural network architectures continue to scale in size and deliver impressive generalization results, although this comes at the expense of limited interpretability. In particular, a key challenge is to ...
    • Client-side routing-agnostic gateway selection for heterogeneous wireless mesh networks 

      Dimogerontakis, Emmanouil; Neto, João; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Citizens develop Wireless Mesh Networks (WMN) in many areas as an alternative or their only way for local interconnection and access to the Internet. This access is often achieved through the use of several shared web proxy ...
    • La construcción del territorio: miradas, mediciones, dibujos en la historia de Buenos Aires 

      Favelukes, Graciela (RIURB Editores, 2014-07)
      Article
      Open Access
      ¿Qué rol jugaron las imágenes y los gráficos en la historia de la ciudad? ¿Qué relaciones podemos encontrar entre la forma de la ciudad y los gráficos que intentaron dar cuenta de ella? Este trabajo presenta algunos ...
    • Data Validation and reconstruction for performance enhancement and maintenance of water networks 

      Quevedo Casín, Joseba Jokin; Pascual Pañach, Josep; Espin, Santiago; Roquet, Jaume (2016-01-01)
      Article
      Open Access
      In a real water network, a telecontrol system must periodically acquire, store and validate data gathered by sensor measurements in order to achieve accurate monitoring of the whole network in real time. For each sensor ...
    • Dealing with speckle effects in self-mixing interferometry measurements 

      Atashkhooei, Reza; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier (2013-05)
      Article
      Restricted access - publisher's policy