Exploració per tema "Dielectric devices"
Ara es mostren els items 1-17 de 17
-
A calibration method for fully polarimetric microwave radiometers
(IEEE Press. Institute of Electrical and Electronics Engineers, 2003-03)
Article
Accés obertA technique for absolute end-to-end calibration of a fully polarimetric microwave radiometer is presented. The technique is based on the tripolarimetric calibration technique of Gasiewski and Kunkee, but is extended to ... -
An airborne GNSS-R field experiment over a vineyard for soil moisture estimation and monitoring
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Comunicació de congrés
Accés restringit per política de l'editorialThe Light Airborne Reflectometer for GNSS-R Observations (LARGO) is an airborne instrument designed for measuring the coherent reflectivity from different soils. In this work, an improved version of LARGO has been used in ... -
Análisis comparativo de propiedades termo estructurales y eléctricas entre polietileno de alta densidad (HD-PE), y el HD-DE reforzado con neumáticos al final de su vida útil. Estudio de aplicación como dieléctrico
(2022-01-01)
Article
Accés obertEl propósito del presente trabajo pasa por analizar la permitividad y el factor de pérdidas tanto del polietile-no de alta densidad (HD-PE), como del compuesto de matriz polimérica (HD-PE)reforzado con neumáticos fuera de ... -
Application properties analysis as a dielectric capacitor of end-of-life tire-reinforced HDPE
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-12)
Article
Accés obertThe purpose of the present research is to obtain waste of polymeric composite as an insulator capacitive application. Rubber materials, once they end their useful life, may be difficult to reuse or recycle. At present, ... -
Boson peak in transitionally ordered and orientationally disordered phases
(Universitat Politècnica de Catalunya, 2020-06)
Treball Final de Grau
Accés obert
Realitzat a/amb: Tsukuba DaigakuLos vidrios y cristales desordenados han sido objeto de debate debido a su comportamiento anormal en sus propiedades dieléctricas y termodinámicas. En el siguiente trabajo, se ha estudiado un conjunto de dos muestras que ... -
Caracterización de interruptores MEMS mediante fuentes de corriente
(Universitat Politècnica de Catalunya, 2008-10-01)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorEl presente proyecto caracteriza mediante fuentes de corriente interruptores microelectromecánicos (MEMS) con el objetivo de estudiar los fenómenos de carga que se producen sobre el material dieléctrico presente en estos ... -
Design-guide for fluid coolers in power electronics
(Universitat Politècnica de Catalunya, 2018)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Friedrich-Alexander-Universität Erlangen-NürnbergThis paper is orientated for the ones who are interested in solving the heat dissipation issue that occurs in the field of Power Electronics. In high voltage direct current (HVDC) transmissions the use of water as a heat ... -
EWOD Micro-Liquid lens fabrication technology development
(Universitat Politècnica de Catalunya, 2022-02-01)
Treball Final de Grau
Accés restringit per acord de confidencialitatStudy of the characteristics of the different layers of the EWOD lens and the manufacturing method for each one of them. In addition, the hydrophobic or hydrophilic behavior of a liquid is studied when it is deposited on ... -
Improvement of highly-doped regions from laser processed dielectric films
(Universitat Politècnica de Catalunya, 2017-05)
Treball Final de Grau
Accés obertThis TFG is focused on the development of high quality n+ and p+ regions based on laser processed dielectric films. The involved films consist of a thin intrinsic amorphous silicon layer (a-Si:H(i)) capped with a doped ... -
Microwave measurements of dielectric material to be used in the CERN Future Circular Collider study
(Universitat Politècnica de Catalunya, 2020-09-03)
Treball Final de Grau
Accés obert
Realitzat a/amb: Sincrotró ALBA / Institut de Ciència de Materials de Barcelona / Institut de Física d’Altes Energies / European Organization for Nuclear ResearchThe main objective of this project is to design, fabricate and test a resonator capable of measuring the required properties of different dielectric samples in the microwave region for a temperature range of 20 – 100 K ... -
Microwave measurements of material properties for CERNs Future Circular Collider
(Universitat Politècnica de Catalunya, 2021-06)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor
Realitzat a/amb: Sincrotró ALBA -
Passive devices in X-Band for space communications
(Universitat Politècnica de Catalunya, 2016-02-09)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
RFID Antenna Design Process for Brain Surgical Prosthesis
(Universitat Politècnica de Catalunya, 2023-07-07)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatThis document details the design of a Passive UHF RFID Temperature Sensing Antenna Tag, integrated into biocompatible material, to incorporate within a brain surgical prosthesis. This wireless and non-invasive RFID device ... -
Second order sigma-delta control of charge trapping for MOS capacitors
(2017-09-01)
Article
Accés obertThis paper presents the circuit topology of a second order sigma-delta control of charge trapping for MOS capacitors. With this new topology it is possible to avoid the presence of plateaus that can be found in first-order ... -
Sub-nanosecond tuning of microwave resonators fabricated on ruddlesden–popper dielectric thin films
(Wiley, 2018-08-01)
Article
Accés obertVoltage-tunable dielectric materials are widely used for microwave-frequency signal processing. Among tunable dielectric thin films, (SrTiO3)nSrO Ruddlesden–Popper (RP) superlattices have exceptionally low loss at high ... -
Surveying of pure and hybrid plasmonic structures based on graphene for Terahertz Antenna
(Association for Computing Machinery (ACM), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialGraphene is a unique material for the implementation of terahertz antennas due to extraordinary properties of the resulting devices, such as tunability and compactness. Existing graphene antennas are based on pure plasmonic ... -
TiO2 and Al2O3 nanoparticles to build new devices
(Universitat Politècnica de Catalunya, 2018-10)
Treball Final de Grau
Accés obertThe project aims to study the behaviour of MIM nanostructures using as an insulating material nanoparticles of Al2O3 and TiO2. The work arises from the research carried out by the MNT group of the UPC, that has analyzed ...