Exploració per tema "Statistical analysis"

Ara es mostren els items 12-31 de 64

    • Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets 

      Besharatloo, H.; Nicolás Morillas, Maria de; Wheeler, J.M.; Mateo García, Antonio Manuel; Ferrari, Begoña; Gordo Odériz, Elena; Llanes Pitarch, Luis Miguel; Roa Rovira, Joan Josep (2019-12-01)
      Article
      Accés obert
      The current study investigates the influence of carbon addition on the microstructural and micromechanical properties of Ti(C,N)-FeNi cermets with different ceramic/metal phase ratios. Evaluation of small-scale hardness ...

    • Characterization of phylogenetic networks with NetTest 

      Arenas, Miguel; Patricio, Mateus; Posada, David; Valiente Feruglio, Gabriel Alejandro (2010-05-20)
      Article
      Accés obert
      Background: Typical evolutionary events like recombination, hybridization or gene transfer make necessary the use of phylogenetic networks to properly depict the evolution of DNA and protein sequences. Although several ...

    • Conditional maximum likelihood frequency estimation for staggered modulations 

      Riba Sagarra, Jaume; Vázquez Grau, Gregorio (1998)
      Text en actes de congrés
      Accés obert
      The use of spectrally efficient continuous phase modulations for mobile communications may lead to a serious performance degradation of the classical frequency error detectors (FEDs) due to the presence of self-noise. This ...

    • Determination of environmental parameters based on Arduino based low-cost sensors 

      Mobaraki, Behnam; Komarizadehasl, Seyedmilad; Castilla Pascual, Francisco Javier; Lozano Galant, José Antonio (2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Taking into account that the age of structures is closely connected to their energy consumption, the monitoring of structures is a crucial task for engineers. This article deals with application of Arduino based low-cost ...

    • Deterministic and stochastic assessment of the harmonic currents consumed by discharge lamps 

      Mesas García, Juan José; Sainz Sapera, Luis; Ferrer Biosca, Alberto (2011-01)
      Article
      Accés restringit per política de l'editorial

    • DRAM errors in the field: a statistical approach 

      Živanovič, Darko; Esmaili Dokht, Pouya; Moré, Sergi; Bartolomé, Javier; Carpenter, Paul Matthew; Radojković, Petar; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2019)
      Text en actes de congrés
      Accés obert
      This paper summarizes our two-year study of corrected and uncor-rected errors on the MareNostrum 3 supercomputer, covering 2000 billion MB-hours of DRAM in the field. The study analyzes 4.5 million corrected and 71 uncorrected ...

    • Dynamic cluster resizing 

      González González, José; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Text en actes de congrés
      Accés obert
      Processor resources required for an effective execution of an application vary across different sections. We propose to take advantage of clustering to turn-off resources that do not contribute to improve performance. ...

    • Empirical approach for real-time estimation of air flow rates in a subway station 

      Di Perna, Costanzo; Carbonari, Alessandro; Ansuini, Roberta; Casals Casanova, Miquel (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      The EU-funded project called SEAM4US (Sustainable Energy mAnageMent for Underground Stations) is targeted to define advanced control systems for cost-effective management of subway stations, which will be applied to the pilot

    • Estimation of the modulation index of cpm signals using hos 

      Rodríguez Fonollosa, Javier; Rodríguez Fonollosa, José Adrián (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
      Three simple methods are proposed for the estimation of the modulation index of continuous phase modulated signals in noise. These methods employ the estimated autocorrelation and fourth-order cumulant sequences of the ...

    • Estimation of the uncertainty in time domain indices of RR time series 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Ramos Castro, Juan José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-03-31)
      Article
      Accés obert
      A method for estimating the uncertainty in time-domain indices of RR time series is described. The method relies on the central limit theorem that states that the distribution of a sample average of independent samples has ...

    • Feasibility analysis and performance evaluation and optimization of a DXSAHP water heater based on the thermal capacity of the system: a case study 

      De León Ruiz, Jorge E.; Carvajal Mariscal, Ignacio; Ponsich, Antonin Sebastien (2019-10-14)
      Article
      Accés obert
      The present work conducts an evaluation of the feasibility and the overall performance and consequent optimization of a direct expansion solar assisted heat pump (DXSAHP) employed for domestic water heating. For the study ...

    • Fir system identification using a linear combination of cumulants 

      Rodríguez Fonollosa, José Adrián; Vidal Manzano, José; Moreno Bilbao, M. Asunción (. IEEE INT. CONF. ON ACOUSTICS, SPEECH & SIGNAL PROC, 1992)
      Text en actes de congrés
      Accés obert
      A general linear approach to identifying the parameters of a moving average (MA) model from the statistics of the output is developed. It is shown that, under some constraints, the impulse response of the system can be ...

    • Frames: a maximum entropy statistical estimate of the inverse problem 

      Rebollo Neira, Laura; Fernández Rubio, Juan Antonio; Plastino, Angel Luís (1997-01)
      Article
      Accés obert
      A maximum entropy statistical treatment of an inverse problem concerning frame theory is presented. The problem arises from the fact that a frame is an overcomplete set of vectors that defines a mapping with no unique ...

    • Generalized equipartition theorem and confining walls 

      Rey Oriol, Rosendo (2015-06)
      Article
      Accés obert
      It is shown that the generalized equipartition theorem as applied to the momentum may fail, even though the usual conditions of validity are met. This failure is linked to the nature of the confining walls, with ideal walls ...

    • Human metastatic cholangiocarcinoma patient-derived xenografts and tumoroids for preclinical drug evaluation 

      Serra Camprubí, Queralt; Verdaguer, Helena; Oliveros, Winona; Lupión Garcia, Núria; Llop Guevara, Alba; Melé, Marta (American Association for Cancer Research, 2023)
      Article
      Accés obert
      Cholangiocarcinoma (CCA) is usually diagnosed at advanced stages, with limited therapeutic options. Preclinical models focused on unresectable metastatic CCA are necessary to develop rational treatments. Pathogenic mutations ...

    • Identification of circulating microRNA profiles associated with pulmonary function and radiologic features in survivors of SARS-CoV-2-induced ARDS 

      García Hidalgo, María C.; González, Jessica; Benítez, Iván D.; Carmona, Paola; Santisteve, Sally; Garcia Gasulla, Dario (Taylor & Francis Open Access, 2022)
      Article
      Accés obert
      ABSTRACT There is a limited understanding of the pathophysiology of postacute pulmonary sequelae in severe COVID-19. The aim of current study was to define the circulating microRNA (miRNA) profiles associated with pulmonary ...

    • Identifying hidden Zika hotspots in Pernambuco, Brazil: a spatial analysis 

      Picinini Freitas, Laís; Lowe, Rachel; Koepp, Andrew E; Valongueiro Alves, Sandra; Dondero, Molly; Marteleto, Letícia J (Oxford University Press, 2023)
      Article
      Accés obert
      Northeast Brazil has the world's highest rate of Zika-related microcephaly. However, Zika case counts cannot accurately describe burden because mandatory reporting was only established when the epidemic was declining in ...

    • Image restoration using HOS and the Radon transform 

      Sayrol Clols, Elisa; Nikias, C L; Gasull Llampallas, Antoni (IEEE IEEE PRESS, 1993)
      Text en actes de congrés
      Accés obert
      The authors propose the use of higher-order statistics (HOS) to study the problem of image restoration. They consider images degraded by linear or zero phase blurring point spread functions (PSF) and additive Gaussian ...

    • Image restoration using HOS and the Radon transform 

      Sayrol Clols, Elisa; Chrysostomos, Nikias; Gasull Llampallas, Antoni (. IEEE, 1993)
      Text en actes de congrés
      Accés obert
      The authors propose the use of higher-order statistics (HOS) to study the problem of image restoration. They consider images degraded by linear or zero phase blurring point spread functions (PSF) and additive Gaussian ...

    • Imaging and discrete modelling of sand shape 

      Rorato, Riccardo (Universitat Politècnica de Catalunya, 2019-11-08)
      Tesi
      Accés obert
      The shape of particles is known to play an important role in soil behaviour, with significant effects of engineering responses. Investigating how the shape of particles can be measured and quantified is therefore considered ...