Exploració per títol
Ara es mostren els items 2820-2839 de 243828
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A "realidade" do espaço e o "ser arquitetônico": introdução ao espaço da arquitetura de Evaldo Coutinho
(Universitat Politècnica de Catalunya, 2014-06)
Projecte Final de Màster Oficial
Accés obert -
A (i)mobilidade como reflexo das desigualdades no espaço urbano
(Departament d’Urbanisme i Ordenació del Territori. Universitat Politècnica de Catalunya / Curso de Arquitetura e Urbanismo. Universidade do Vale do Itajaí, 2016-05-31)
Text en actes de congrés
Accés obertO tema mobilidade urbana tem ganhadorepercussão. Geralmente a questão é abordada como um problema em si, não como resultado de um processo social que reflete diversos fatores, interesses e correlações de forças no espaço ... -
A 0D approach fot extended operational modeling of air ejectors in thermal systems
(Begell House, 2023)
Text en actes de congrés
Accés restringit per política de l'editorialClassic ejector models work accurately only in normal operating conditions, i.e. when the primary flow is in supercritical conditions. Moreover, they do not take into account abnormal situations, such as when the primary ... -
A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialA 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ... -
A 1-D Thermo-Hydro-Mechanical model of the middle section of canister retrieval test
(2009)
Text en actes de congrés
Accés restringit per política de l'editorialIn this papera 1-D model simulation of the middle section of Canister Retrieval Test, conducted at the Áspo Hard Rock Laboratory, is presented. The model considers the MX-80 bentonite block, the bentonite-rock interface ... -
A 100h per l'excel·lència
(Universitat Politècnica de Catalunya, 2013-11-15)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] The project consists on a theoretical paper (the memory) on operations in the business field. This paper describes the main methodologies, techniques and philosophies that make up the World Class Manufacturing. ... -
A 12-bit SAR ADC for a flexible tactile sensor
(Universitat Politècnica de Catalunya, 2022-10-20)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Technische Universität MünchenSuccessive Approximation Register (SAR) Analog-to-Digital Converters (ADC) are some of the most efficient ADC topologies available, allowing excellent performance values at low power consumption across a wide range of ... -
A 125-143-GHz frequency-reconfigurable BiCMOS compact LNA using a single RF-MEMS switch
(2019-05-01)
Article
Accés obertIn this letter, a 125-143-GHz frequency-reconfigurable BiCMOS compact low-noise amplifier (LNA) is presented for the first time. It consists of two cascode stages and was fabricated using a 0.13-µm SiGe:C BiCMOS process, ... -
A 16-kV HBM RF ESD Protection Codesign for a 1-mW CMOS Direct Conversion Receiver Operating in the 2.4-GHz ISM Band
(2011-09)
Article
Accés restringit per política de l'editorialA decreasing-sized π -model electrostatic discharge (ESD) protection structure is presented and applied to protect against ESD stresses at the RF input pad of an ultra-low power CMOS front-end operating in the 2.4-GHz ... -
A 1D analogue of the SMOS interferometer
(Universitat Politècnica de Catalunya, 2019)
Treball d'assignatura
Accés obert -
A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation
(Springer, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialAortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality ... -
A 2.4 GHz CMOS class-F power amplifier with reconfigurable load-impedance matching
(2019)
Article
Accés obert -
A 2.5D automatic FEM-SBM method for the evaluation of free-field vibrations induced by underground railway infrastructures
(2022)
Text en actes de congrés
Accés obertThis paper presents an efficient method to predict underground railway-induced vibrations. The method uses the finite element method (FEM) to model the railway tunnel structure and the singular boundary method (SBM) to ... -
A 2.5D coupled FEM-BEM-MFS methodology for longitudinally invariant soil-structure interaction problems
(Elsevier, 2021-04)
Article
Accés obertThis paper is concerned with a new prediction methodology for longitudinally invariant soil-structure interaction problems in elastodynamics. The method uses the finite-element method to model the structure, the boundary-element ... -
A 2.5D coupled FEM–SBM methodology for soil–structure dynamic interaction problems
(Elsevier, 2022-01-01)
Article
Accés obertIn this paper, a novel numerical methodology to deal with longitudinally invariant soil–structure interaction problems is proposed. The methodology uses the finite element method to model the structure and the singular ... -
A 2.5D FEM-BEM-MFS methodology for soil-structure interaction problems in layered half-spaces
(2020)
Text en actes de congrés
Accés obertIn this paper, a new prediction methodology to deal with longitudinally invariant soil-structure interaction problems in elastodynamics is presented. The method uses the finite-element method to model the structure, the ... -
A 2.5D hybrid SBM-MFS methodology for the evaluation of free-field vibrations induced by underground railway infrastructures
(2023)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, a new meshless methodology to predict underground railway-induced vibrations is presented. In contrast to previous approaches, the proposed method uses meshless methods to model both the railway tunnel ... -
A 250-ps integrated ultra-wideband timed array beamforming receiver in 0.18 um CMOS
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Comunicació de congrés
Accés obertThis paper presents a 4-channel ultra-wideband (UWB) timed array beamforming receiver designed in a standard 0.18-um CMOS technology. The proposed timed array receiver achieves a maximum delay of 250 ps at the maximum beam ... -
A 2D dual-scale method to address contact problems
(2022-07)
Article
Accés obertA seamless 2D dual-scale computational scheme is developed to study contact problems. The model consists of an atomistic domain close to the contact, coupled with an elastic continuum domain away from the contact. The ... -
A 3-axis stabilisation platform to improve experiment conditions in parabolic flights
(Universitat Politècnica de Catalunya, 2022-04-29)
Comunicació de congrés
Accés obertThere are different ways of providing free-fall conditions on Earth in order to test a component, perform an experiment or demonstrate equipment before it can be included in a space mission. One of these options is a ...