Listar por autor "Vidal Maciá, Antonio Manuel"
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Listar por autor "Vidal Maciá, Antonio Manuel"
Mostrando ítems 1-20 de 74
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Ramiro Sánchez, Carla; Simarro Haro, Mª de los Angeles; Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto (Springer Verlag, 2014-11)Iterative detection and decoding in communication systems with multiple transmitter and receiver antennas suffer from a significant increase in the computational cost and energy consumption. Nowadays, application of specific ... -
Alonso-Jordá, Pedro; Argüelles, Daniel; Ranilla, José; Vidal Maciá, Antonio Manuel (Springer Verlag (Germany), 2013-09)There exist algorithms, also called "fast" algorithms, which exploit the special structure of Toeplitz matrices so that, e.g., allow to solve a linear system of equations in O(n2) flops. However, some implementations of ...
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Dolz, Manuel F.; Alventosa, Fran J.; Alonso-Jordá, Pedro; Vidal Maciá, Antonio Manuel (John Wiley & Sons, 2019)[EN] The input and output signals of a digital signal processing system can often be represented by a rectangular matrix as it is the case of the beamformer algorithm, a very useful particular algorithm that allows extraction ... -
Dolz, Manuel F.; Alventosa, Fran J.; Alonso-Jordá, Pedro; Vidal Maciá, Antonio Manuel (Springer-Verlag, 2019)[EN] There exist problems in the field of digital signal processing, such as filtering of acoustic signals that require processing a large amount of data in real time. The beamforming algorithm, for instance, is a process ... -
Belloch Rodríguez, José Antonio; Alventosa, Fran J.; Alonso-Jordá, Pedro; Quintana Ortí, Enrique Salvador; Vidal Maciá, Antonio Manuel (Springer Verlag (Germany), 2017-01)Tablets and smart phones are nowadays equipped with low-power processor architectures such as the ARMv7 and the ARMv8 series. These processors integrate powerful SIMD units to exploit the intrinsic data-parallelism of ...
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García Mollá, Víctor Manuel; Vidal Maciá, Antonio Manuel; Liberos Mascarell, Alejandro; Climent, Andreu M. (Universidad de las Ciencias Informaticas, 2013-12-10)[EN] The simulation of the electrical activity of the heart is calculated by solving a large system of ordinary differential equations; this takes an enormous amount of computation time. In recent years graphics processing ... -
García Mollá, Víctor Manuel; Liberos Mascarell, Alejandro; Vidal Maciá, Antonio Manuel; Guillem Sánchez, María Salud; Millet Roig, José; González Salvador, Alberto; Martínez Zaldívar, Francisco José; Climent, Andreu M. (Elsevier, 2014-02)In this paper we studied the implementation and performance of adaptive step methods for large systems of ordinary differential equations systems in graphics processing units, focusing on the simulation of three-dimensional ... -
López Espín, José Juan (Universitat Politècnica de València, 2011-11-10)Los Modelos de Ecuaciones Simultáneas forman parte del conjunto de técnicas estadísticas desarrolladas a partir de los modelos de ecuaciones de regresión, y que nacieron dentro del mundo de la economía con el objetivo de ... -
Ramiro Sánchez, Carla (Universitat Politècnica de València, 2011-07-26)La resolución de sistemas de ecuaciones lineales sobredeterminados es un problema que se presenta con frecuencia en la computación científica. Algunos ejemplos pueden encontrarse en campos como el procesado de señal, resolución ... -
Trujillo Rasúa, Rafael Arturo (Universitat Politècnica de València, 2010-02-11)En diversas aplicaciones prácticas cada vez es más frecuente la presencia de problemas de optimización que involucran variables que deben tomar valores discretos. Debido a su naturaleza combinatoria, los problemas de ... -
Martínez Zaldívar, Francisco José (Universitat Politècnica de València, 2008-05-06)Dentro del marco de los sistemas de comunicaciones de banda ancha podemos encontrar canales modelados como sistemas MIMO (Multiple Input Multiple Output) en el que se utilizan varias antenas en el transmisor (entradas) y ... -
Alonso, P.; Cortina, R.; Ranilla, J.; Vidal Maciá, Antonio Manuel (Springer Verlag (Germany), 2012-02)Abstract This paper analyses the performance of several versions of a block parallel algorithm in order to apply Neville elimination in a distributed memory parallel computer. Neville elimination is a procedure to transform ...
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Roger Varea, Sandra; Ramiro Sánchez, Carla; González Salvador, Alberto; Almenar Terré, Vicenç; Vidal Maciá, Antonio Manuel (IOS Press, 2012)The use of many-core processors such as general purpose Graphic Processing Units (GPUs) has recently become attractive for the efficient implementation of signal processing algorithms for communication systems. This is due ... -
San Juan-Sebastian, Pablo; Virtanen, T.; García Mollá, Víctor Manuel; Vidal Maciá, Antonio Manuel (Springer-Verlag, 2018)[EN] This paper presents an analysis of an efficient parallel implementation of the active-set Newton algorithm (ASNA), which is used to estimate the nonnegative weights of linear combinations of the atoms in a large-scale ... -
Safont Armero, Gonzalo; Salazar Afanador, Addisson; Vergara Domínguez, Luís; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto (Trans Tech Publications, 2013)[EN] This paper presents a method for assessment of historic structures based on the fusion of data from ground-penetrating radar (GPR), ultrasound, and impact-echo testing. The method consists of the following ...
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Ferrer Contreras, Miguel; García Mollá, Víctor Manuel; Vidal-Maciá, Antonio M.; de Diego Antón, María; Gonzalez, Alberto (Elsevier, 2023-09)[EN] This paper addresses the assessment of the stability of distributed active noise control (ANC) systems, which are designed to cancel acoustic noise at given points in space. These systems distribute the control task ... -
Alonso-Jordá, Pedro; Dolz Zaragozá, Manuel Francisco; Vidal Maciá, Antonio Manuel (Elsevier, 2014-05-01)Toeplitz matrices are characterized by a special structure that can be exploited in order to obtain fast linear system solvers. These solvers are difficult to parallelize due to their low computational cost and their closely ... -
Bernabeu Llinares, Miguel Oscar (Universitat Politècnica de València, 2011-11-15)En el presente trabajo se han aplicado técnicas de computación paralela en la resolución de problemas de álgebra lineal numérica. El principal problema estudiado ha sido el de cálculo de valores propios de matrices ... -
Lupoiu, Mihaita Alexandru (Universitat Politècnica de València, 2016-09-02)[EN] Wave Field Synthesis (WFS) is a spatial audio reproduction system that provides an accurate spatial sound field in a wide area. When the system involves multiple loudspeakers and multiple sound sources, the computational ... -
Belloch Rodríguez, José Antonio (Universitat Politècnica de València, 2011-11-28)En este trabajo se han analizado las prestaciones que ofrece una GPU ante una aplicación de audio multicanal, aplicando dicho análisis a la implementación un Cancelador Crosstalk que funciona en tiempo real y cuyo código ...
Mostrando ítems 1-20 de 74
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