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Browsing by Subject "Frequency response"

Now showing items 1-16 of 16

A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters

Torregrosa Huguet, Antonio José; Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Piqueras Cabrera, Pedro (Elsevier, 2011-01)

The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and ...
A new algorithm for dual-rate systems frequency response computation in discrete control systems

Salt Llobregat, Julián José; Sala Piqueras, Antonio (Elsevier, 2014-12-01)

This paper addresses an easy computation of the multiple components of the response to a sinusoidal input of a dual-rate linear time-invariant discrete system from the Bode diagram of LTI systems arising from a lifted ...
Balanced Dual Composite Right/Left-Handed Microstrip Line With Modified Complementary Split-Ring Resonators

Belenguer Martínez, Ángel; Lucas Borja, Alejandro; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2013-07)

This letter presents a dual composite right/left-handed microstrip line loaded with modified complementary split-ring resonators. In this particular case, the well-known resonant particle employed has been capacitively ...
Characterization method of dielectric properties of free falling drops in a microwave processing cavity and its application in microwave internal gelation

Cabanes Sempere, Maria; Catalá Civera, José Manuel; Penaranda-Foix, Felipe L.; Cozzo, Carmelo; Vaucher, S.; Pouchon, M. A. (IOP Publishing: Hybrid Open Access, 2013-09)

[EN] Microwave internal gelation (MIG) is a chemical process proposed for the production of nuclear particle fuel. The internal gelation reaction is triggered by a temperature increase of aqueous droplets falling by gravity ...
Design and implementation of event-based multi-rate controllers for networked control systems

Alcaina Acosta, José Joaquín (Universitat Politècnica de València, 2021-01-21)

[ES] Con esta tesis se pretende dar solución a algunos de los problemas más habituales que aparecen en los Sistemas de control basados en red (NCS) como son los retardos variables en el tiempo, las pérdidas y el desorden ...
Diseño e implementación de un sistema electroacústico de varias vías para la reproducción de cortos en el Aula Magna de la Escuela Politècnica Superior de Gandia

Ferruz Vidrier, Paula (Universitat Politècnica de València, 2024-09-13)

[ES] El objetivo principal de este estudio es analizar el sistema electroacústico actual del Aula Magna de la Escuela Politécnica Superior de Gandía con el fin de observar si este cumple con los parámetros y valores ...
Dual-rate sampled-data systems. Some interesting consequences from its frequency response analysis

Salt Llobregat, Julián José; Alcaina-Acosta, José Joaquín (Taylor & Francis, 2019-07-04)

[EN] The main goal of this contribution is to introduce a new procedure in order to analyse properly SISO dual-rate systems (DRS) and to provide straightforward answers to some common general questions about this kind of ...
Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters

Garcerá Sanfeliú, Gabriel; González Medina, Raúl; Figueres Amorós, Emilio; Sandía Paredes, Jesús (Wiley, 2012-08)

In photovoltaic (PV) double-stage grid-connected inverters a high-frequency DC-DC isolation and voltage step-up stage is commonly used between the panel and the grid-connected inverter. This paper is focused on the modeling ...
Frequency Response of MAPbI3 Perovskites for Photodetection Application

Soriano-Díaz, Sandra; Solis, Omar E.; Ramírez-Muñoz, Diego; Boix, Pablo P.; Martínez-Pastor, Juan P.; Suárez, Isaac (Wiley-VCH Verlag GmbH & Co. KGaA, 2024-07)

[EN] The frequency response of the photocurrent (I-ph) generated in perovskite photodetectors is a crucial issue in imaging or telecommunication applications, although it is briefly discussed in the literature. The present ...
Harmonic distortion in microwave photonic filters

Rius Mercado, Manuel; Mora Almerich, José; Bolea Boluda, Mario; Capmany Francoy, José (Optical Society of America, 2012)

We present a theoretical and experimental analysis of nonlinear microwave photonic filters. Far from the conventional condition of low modulation index commonly used to neglect high-order terms, we have analyzed the harmonic ...
Influence of the Quality of Consumer Headphones in the Perception of Spatial Audio

Gutiérrez-Parera, Pablo; López Monfort, José Javier (MDPI, 2016-04)

High quality headphones can generate a realistic sound immersion reproducing binaural recordings. However, most people commonly use consumer headphones of inferior quality, as the ones provided with smartphones or music ...
Linear Response Modeling of High Luminous Flux Phosphor-Coated White LEDs for VLC

Salvador-Llàcer, Pau; Valls Coquillat, Javier; Corral, Juan L.; Almenar Terre, Vicenç; Canet Subiela, Mª José (Institute of Electrical and Electronics Engineers, 2022-06-15)

[EN] The widespread deployment of LEDs for illumination purposes has open the door to the use of these devices for visible light communications (VLC). Most lighting fixtures are mounted with phosphor-based white LEDs, and ...
Multiple scattering formulation of two-dimensional acoustic and electromagnetic metamaterials

Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (IOP Publishing: Open Access Journals, 2011-09-09)

A multiple scattering formulation of two-dimensional (2D) acoustic metamaterials is presented. This approach is comprehensive and can lead to frequency-dependent effective parameters (scalar bulk modulus and tensorial mass ...
Multirate control strategies for avoiding sample losses. Application to UGV path tracking

Salt Llobregat, Julián José; Alcaina, José; Cuenca, Ángel; Baños, Alfonso (Elsevier, 2020-06)

[EN] When in a digital control strategy there are samples lost due to limitations, different multirate (MR) control options can be used for solving the problem: Dual-rate inferential control (IC) and model-based dual-rate ...
Perception of nonlinear distortion on emulation of frequency responses of headphones

Gutierrez-Parera, Pablo; López Monfort, José Javier (Acoustical Society of America, 2018)

[EN] The equalization of headphones can force transducers to work in a non-linear condition, producing non-linear distortion. Depending on the headphone model and the reproduction level, that distortion can be audible. In ...
Target strength of skipjack tuna (Katsuwanus pelamis) associated with fish aggregating devices (FADs)

Boyra, G .; Moreno, G.; Sobradillo, B.; Pérez Arjona, Isabel; Sancristóbal, I.; Demer, David (Oxford University Press, 2018)

[EN] This paper presents measures of target strength (TS; dB re 1 m(2)) and models of TS vs. fork length (L; cm), i.e. TS = 20log(L) + b(20), for skip-jack tuna associated with fish aggregating devices (FADs) in the Central ...