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Ara es mostren els items 41-60 de 139

    • Examen Final 

      Monte Moreno, Enrique (Universitat Politècnica de Catalunya, 2023-05-30)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Hernando, J.; Mariño, J.; Monte Moreno, Enrique; Villares Piera, Nemesio Javier (Universitat Politècnica de Catalunya, 2014-01-08)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Bellot Pujalte, Pau; Bosio, Mattia; Hernando, J.; Casas Pla, Josep Ramon; Salembier Clairon, Philippe Jean; Monte Moreno, Enrique; Mariño Acebal, José Bernardo (Universitat Politècnica de Catalunya, 2013-06-25)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Monte Moreno, Enrique; Pérez Pueyo, Rosanna; Soneira Ferrando, M. José; Villares Piera, Nemesio Javier (Universitat Politècnica de Catalunya, 2022-01-14)
      Examen
      Accés restringit a la comunitat UPC

    • Extended version. Occurrence of solar flares viewed with GPS: statistics and fractal nature 

      Monte Moreno, Enrique; Hernández Pajares, Manuel (2014-09-05)
      Report de recerca
      Accés restringit per política de l'editorial
      In this paper we describe the statistical properties of the EUV solar flux sudden variation. The solar flux variation is modeled as a time series characterized by the subsolar VTEC (Vertical Total Electron Content) ...

    • Extraction of the underlying structure of systematic risk from non-Gaussian multivariate financial time series using independent component analysis: Evidence from the Mexican stock exchange 

      Ladrón de Guevara Cortés, Rogelio; Torra Porras, Salvador; Monte Moreno, Enrique (2018-01-01)
      Article
      Accés obert
      Regarding the problems related to multivariate non-Gaussianity of financial time series, i.e., unreliable results in extraction of underlying risk factors -via Principal Component Analysis or Factor Analysis-, we use ...

    • Final examen 

      Monte Moreno, Enrique (Universitat Politècnica de Catalunya, 2021-06-14)
      Examen
      Accés restringit a la comunitat UPC

    • Forecast of the global TEC by nearest neighbour technique 

      Monte Moreno, Enrique; Yang, Heng; Hernández Pajares, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-11)
      Article
      Accés obert
      We propose a method for Global Ionospheric Maps of Total Electron Content forecasting using the Nearest Neighbour method. The assumption is that in a database of global ionosphere maps spanning more than two solar cycles, ...

    • Fractal dimension analysis of malignant and benign endobronchial ultrasound nodes 

      Fiz Fernández, José Antonio; Monte Moreno, Enrique; Andreo, Felipe; Auteri, Santiago Jose; Sanz Santos, Jose; Serra Coromina, Pere; Bonet, Gloria; Castella, Eva; Ruiz Manzano, Juan (2014-06-12)
      Article
      Accés obert
      Background: Endobronchial ultrasonography (EBUS) has been applied as a routine procedure for the diagnostic of hiliar and mediastinal nodes. The authors assessed the relationship between the echographic appearance of ...

    • Frequency domain analysis and filtering of business and consumer survey expectations 

      Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (Elsevier, 2021-08)
      Article
      Accés obert
      The main objective of this study is two-fold. First, we aim to detect the underlying existing periodicities in business and consumer survey expectations by means of spectral analysis. We use the Welch method to extract the ...

    • Generation of multiple hypothesis in connected phonetic-unit recognition by a modified one-stage dynamic programming algorithm 

      Mariño Acebal, José Bernardo; Monte Moreno, Enrique (1989)
      Text en actes de congrés
      Accés obert
      One of the most popular algorithms for connected word (or subword phonetic unit) recognition is the one-stage dynamic programming algorithm. In its available formulation, this algorithm is not designed to provide multiple ...

    • Global prediction of the vertical total electron content of the ionosphere based on GPS data 

      García Rigo, Alberto; Monte Moreno, Enrique; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Aragón Ángel, María Ángeles; Salazar Hernández, Dagoberto José (2011-12-29)
      Article
      Accés obert
      Although vertical total electron content (VTEC) forecasting is still an open subject of research, the use of predictions of the ionospheric state at a scale of several days is an area of increased interest. A global VTEC ...

    • GNSS solar astronomy in real-time during more than one solar cycle 

      Hernández Pajares, Manuel; García Rigo, Alberto; Monte Moreno, Enrique; Liu, Qi; Roma Dollase, David; Yang, Heng; Beniguel, Yannick; Moreno Borrás, David; Fors Aldrich, Octavi; Lyu, Haixia; Orús Pérez, Raul; Ventura Traveset, Javier (Elsevier, 2023-12-09)
      Article
      Accés obert
      This work presents a summary of the continuous non-stop (hereinafter 24/7) real-time measurement and warning system for EUV solar activity, which is based on worldwide multifrequency Global Navigation Satellite Systems ...

    • GPS as a solar observational instrument: real-time estimation of EUV photons flux rate during strong, medium, and weak solar flares 

      Singh, Talwinder; Hernández Pajares, Manuel; Monte Moreno, Enrique; García Rigo, Alberto; Olivares Pulido, Germán (2015-12-15)
      Article
      Accés obert
      In this manuscript, the authors show how the Global Navigation Satellite Systems, GNSS (exemplified in the Global Positioning System, GPS), can be efficiently used for a very different purpose from that for which it was ...

    • Improved MSTID modelling and impact on precise GNSS processing 

      Hernández Pajares, Manuel; Wielgosz, Pawel; Paziewski, Jacek; Krypiak-Gregorczyk, Anna; Stepniak, Katarzyna; Bosy, Jaroslaw; Kaplon, Jan; Hadas, Tomasz; Orús Pérez, Raul; Monte Moreno, Enrique; Yang, Heng; Olivares Pulido, Germán; García Rigo, Alberto (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial

    • Improving English to Spanish out-of-domain translations by morphology generalization and generation 

      Formiga Fanals, Lluís; Hernández Huerta, Adolfo; Mariño Acebal, José Bernardo; Monte Moreno, Enrique (2012)
      Text en actes de congrés
      Accés obert
      This paper presents a detailed study of a method for morphology generalization and generation to address out-of-domain translations in English-to-Spanish phrase-based MT. The paper studies whether the morphological richness ...

    • Internal report. Numerical methods for medium scale traveling ionospheric disturbances signal pre-processing 

      Yang, Heng; Monte Moreno, Enrique; Hernández Pajares, Manuel (2015-01-15)
      Report de recerca
      Accés obert
      In this paper we discuss the e ects of several signal preprocessing methods for enhancing the Medium Scale Traveling Ionospheric Dis- turbances (MSTIDs) signal. The MSTIDs signal are the ionospheric signatures of waves ...

    • Internal report. Solving mixed integer non-linear programming problem applied to GNSS data 

      Yang, Heng; Monte Moreno, Enrique; Hernández Pajares, Manuel (2014-11-07)
      Report de recerca
      Accés obert
      The purpose of this paper is to characterize Medium Scale Trav- eling Ionospheric Disturbances (MSTIDs), by means of Mixed Integer Nonlinear Programming (MINLP). The MINLP techniques are used to for estimating the ...

    • Internal report. Spectral methods for time delay estimation of MSTIDs signal 

      Yang, Heng; Monte Moreno, Enrique; Hernández Pajares, Manuel (2015-02-14)
      Report de recerca
      Accés obert
      The primary goal of this work is to summarize spectral meth- ods to estimate the time delay variations of the detrended Medium Scale Traveling Ionospheric Disturbances (MSTIDs) signals and pre- liminarily discuss the ...

    • Ionospheric storm scale index based on high time resolution UPC-IonSAT global ionospheric maps (IsUG) 

      Liu, Qi; Hernández Pajares, Manuel; Lyu, Haixia; Nishioka, Michi; Yang, Heng; Monte Moreno, Enrique; Gulyaeva, Tamara L.; Beniguel, Yannick; Wilken, Volker; Olivares Pulido, Germán; Orús Pérez, Raul (2021-11)
      Article
      Accés obert
      The ionospheric storms have adverse effects on the radio communications, satellite communications and also the Global Navigation Satellite Systems (GNSS) application. A new Ionospheric storm Scale from Universitat Politècnica ...