Browsing by Subject "Mesurament"
Now showing items 1-20 of 34
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A semi-automation procedure for dial comparators calibration
(2009)
Conference report
Restricted access - publisher's policyIn this article an improvement of a calibration process of measurement equipment in the field of dimensional metrology is presented. Devices under calibration process are dial comparators. The semi-automated process is ... -
Analysing the impact of a proposed generic quality management of measurement process
(Universitat Politècnica de Catalunya / Cranfield University, 2011)
Master thesis (pre-Bologna period)
Restricted access - author's decisionThis thesis analyses the effectiveness of the current process structure across the main Rolls-Royce measurement capability groups, namely: Manufacturing, Material and Chemical Evaluation, Testing, and Sensing for Control ... -
Analysis and reduction of the distortions induced by time-domain filtering techniques in network analyzers
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08-31)
Article
Open AccessThe removal of isolation errors plays an essential role in the calibration process of radar scattering measurements. One of the most common techniques used for that purpose is time-domain filtering, also known as gating. ... -
Aportación a la automatización en la toma de medidas y procesado de datos sobre modelos fotoelásticos y optomecánicos
(Universitat Politècnica de Catalunya, 1988-07-05)
Doctoral thesis
Open AccessSe describen los principios de medida operativos para un banco fotoelástico automatizado basado en la adquisición de la imagen en una cámara CCD, digitalización en 256 niveles y 512x512 píxel, y su procesado con algoritmos ... -
Applying remote sensing and GIS on monitoring and measuring urban sprawl. A case study of China
(UPC. Cátedra Unesco de Sostenibilidad, 2009-12)
Article
Open AccessThe understanding on urban sprawl in China still rest on qualitative discussion instead of quantitative analysis. There is no clear answer to identify and evaluate the extent of sprawl. The existing methods for measuring ... -
Assessment of errors in the transmission of the orientation and cartographic system from the surface to an underground mine
(2020-02-01)
Article
Open AccessAn accurate transmission of the orientation between surface and underground workings, by means of vertical shafts, is a major challenge in the mining industry, especially for deep mines. We assessed the accuracy of this ... -
Conformity of the quality in the measures
(2009)
Conference report
Open AccessWe’ll want to implant the awareness of the importance at measurement’s quality that must have with systems acquisition of own design. The choice of system acquisition will be very important because this system will must ... -
Conformity of the quality in the measures
(2009-11-01)
Article
Open AccessWe’ll want to implant the awareness of the importance at measurement’s quality that must have with systems acquisition of own design. The choice of system acquisition will be very important because this system will must ... -
Data Validation and reconstruction for performance enhancement and maintenance of water networks
(2016-01-01)
Article
Open AccessIn a real water network, a telecontrol system must periodically acquire, store and validate data gathered by sensor measurements in order to achieve accurate monitoring of the whole network in real time. For each sensor ... -
Desarrollo de un Mapa de Entorno Radioeléctrico de apoyo a la utilización de espacios blancos de TV para el despliegue de sistemas celulares en escenarios de interiores
(Universitat Politècnica de Catalunya, 2015-06)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] The increasing use of wireless devices in society has brought that telecommunications companies asked for more spectrum to provide better service to their users. The radio spectrum is a limited resource and it is ... -
Design of a proper set-up for low current measurements of insulation systems
(Universitat Politècnica de Catalunya / Universität Stuttgart, 2013)
Master thesis (pre-Bologna period)
Open AccessLow-level measurements are an important part of electrical studies. Due to the small values of current and voltage used, the precision of the values becomes very important. For example, a change of 1 nA or 1 nV can make a ... -
Diseño y construcción de una antena cuadrifilar helicoidal para recepción de imágenes transmitidas por satélites de órbita polar
(Universitat Politècnica de Catalunya, 2012-02)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] This project aims to design and implementation of a quadrifilar helical antenna to optimize the performance of a receiving station. When we refer to optimizing, we talk about to receive images with maximum coverage ... -
Disseny d'instal·lació elèctrica de bombament d'aigües de Sant Adrià i mesuraments de l'estalvi energètic
(Universitat Politècnica de Catalunya, 2018-05-31)
Bachelor thesis
Restricted access - author's decision[CATALÀ] El sistema de clavegueram i tractament d'aigües residuals es veurà afectat si no té instal·lades bones estacions de bombament, ja que aquestes proporcionen millor maneig quan sigui més ràpid el procés de tractament ... -
Disseny d’un sistema de mostreig del transport de sediment de fons a rius amb Helley-Smith
(Universitat Politècnica de Catalunya, 2021-06-29)
Bachelor thesis
Open AccessAquest TFG tracta de fer el disseny complet d'un sistema de mesura del transport sòlid de fons a rius amb un Helley-Smith HS152. Helley-Smith és com de forma comuna es coneix l'aparell de recerca per prendre mostres puntuals ... -
Disseny i implementació d'un node intel·ligent per a la mesura de temperatura i humitat en una xarxa de sensors
(Universitat Politècnica de Catalunya, 2010-02-03)
Bachelor thesis
Open Access -
Disseny i implementació d'un sistema endollable per a la mesura de temperatura, humitat i nivell acústic amb comunicació sense fils
(Universitat Politècnica de Catalunya, 2014-12)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Design and implementation of a wall-outlet pluggable system capable of measuring temperature, humidity and noise level with wireless data transmission -
Effects of self-regulation mechanisms in vegetated channels on hydraulic resistance
(Universitat Politècnica de Catalunya / University of Aberdeen, 2009)
Master thesis (pre-Bologna period)
Restricted access - author's decisionThe aim of this thesis is to analyse the effects of self-regulation mechanisms in open channels with vegetated bed on hydraulic resistance, particularly bed slope effects. In order to examine them, laboratory experiments ... -
Equilibrium measures on finite networks. Effective resistance and hitting time
(2001)
Article
Open AccessWe aim here at showing how the equilibrium measures for a finite network can be used to obtain simple expressions for both Green and Poisson kernels and hence we can deduce nice expressions of the hitting time and the ... -
Estudio comparativo de cálculos de Tiempo de Reverberación de salas mediante simulación basada en trazado de rayos
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Open AccessComparative study of Reverberation Time methods available on two acoustics simulation tools (EASE and CATT). Different aspects of the used computing routines were evaluated and the validity of the results were discussed ... -
Flexible rod design for educational wind balance
(2016-03-07)
Article
Open AccessThis article provides a technical description of a flexible hinge for wind tunnel rigs. For academic purposes, the device was integrated into several rod flexures to build a home-made external wind balance system. The ...
