Departament d'Enginyeria Electrònica: Enviaments recents
Ara es mostren els items 13-24 de 207
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Textile UHF-RFID antenna sensors based on material features, interfaces and application scenarios
(Universitat Politècnica de Catalunya, 2022-06-21)
Tesi
Accés obertRadio frequency identification over measurable ultra-high frequency textile substrates (UHF-RFID) is a promising technology to develop new applications in the field of health and the Internet of Things (IOT), due to the ... -
Novel metal insulator metal capacitors based on electrosprayed colloidal nanoparticles
(Universitat Politècnica de Catalunya, 2020-01-30)
Tesi
Accés obertThis work develops a novel capacitor device based on the use of nanotechnology. The device starts from the exiting metal-insulator-metal (MIM) concept, but instead of a continuous insulator layer, dielectric nanoparticles ... -
Timed array antenna system : application to wideband and ultra-wideband beamforming receivers
(Universitat Politècnica de Catalunya, 2022-05-03)
Tesi
Accés obertAntenna array systems have a broad range of applications in radio frequency (RF) and ultra-wideband (UWB) communications to receive/transmit electromagnetic waves from/to the sky. They can enhance the amplitude of the input ... -
Design, fabrication, characterization and reliability study of CMOS-MEMS Lorentz-Force magnetometers
(Universitat Politècnica de Catalunya, 2022-04-06)
Tesi
Accés obertToday, the most common form of mass-production semiconductor device fabrication is Complementary Metal-Oxide Semiconductor (CMOS) technology. The dedicated Integrated Circuit (IC) interfaces of commercial sensors are ... -
Design and implementation of wireless nodes for the Internet of Things
(Universitat Politècnica de Catalunya, 2022-04-01)
Tesi
Accés obertThe Internet of Things is a trending topic these days. However, energy is often the major job stopper for broad adoption of this technology, which have three tight constraints: extremely cost oriented, long service life ... -
Contributions to the design of energy harvesting systems for autonomous sensors in low power marine applications
(Universitat Politècnica de Catalunya, 2022-04-28)
Tesi
Accés obertOceanographic sensor platforms provide biological and meteorological data to help understand changes in marine environment and help to preserve it. Lagrangian drifters are autonomous passive floating platforms used in ... -
Métodos objetivos estadísticos de valoración de la magnitud de interés en base a las trayectorias de dirección de visionado
(Universitat Politècnica de Catalunya, 2020-10-23)
Tesi
Accés obertIn this work, a new method is presented to quantify the attention paid by people to the different objects in their environment. The new metric models the eye to determine the attention given and quantifies that attention ... -
Infrared optical filters based in macroporous silicon for espectroscopic gas detection
(Universitat Politècnica de Catalunya, 2019-12-19)
Tesi
Accés obertGas detection is of great importance in areas as diverse as industry, health or safety in domestic environments or public spaces, among others, and it is highly specific to each application. The detection method depends ... -
High efficiency sensorless fault tolerant control of permanent magnet assisted synchronous reluctance motor
(Universitat Politècnica de Catalunya, 2021-10-18)
Tesi
Accés obertIn the last decades, the development trends of high efficiency and compact electric drives on the motor side focused on Permanent Magnet Synchronous Machines (PMSMs) equipped with magnets based on the rare-earth elements. ... -
Simulation and design of all-optical logic gates based on photonic crystals
(Universitat Politècnica de Catalunya, 2021-07-07)
Tesi
Accés obertIn this thesis, design and simulation of optical logic gases based on different photonics crystals presented to used in the electronics and telecommunication industries. Optical devices perform faster with higher efficiencies ... -
Marine sensor interoperability applied to in situ ocean sound processing
(Universitat Politècnica de Catalunya, 2021-07-09)
Tesi
Accés obertThere has always been background sound in the oceans due to natural factors. However, since the first hydrophone deployments at mid-20th century, measured ocean sound levels have been steadily rising due to an increment ... -
Digital hardware architectures for beam synchronous processing and RF synchronization of particle accelerators
(Universitat Politècnica de Catalunya, 2021-07-01)
Tesi
Accés obertIn Particle Accelerators, the Low-Level RF (LLRF) is the control system of the RF, and in the end, of the purpose of the machine, that is the energy transfer and acceleration of particles. It implements algorithms synchronizing ...