Ara mostrant els elements 4133-4152 de 5566
Solh Joukhah, Zahra (Data de defensa: 2017-10-27)
The present PhD thesis deals with transformer inrush current in offshore grids including offshore wind farms and High Voltage Direct Current (HVDC) transmission systems. The inrush phenomenon during transformers energization ...
Borràs Pino, Jordi (Data de defensa: 2023-01-25)
(English) The increase of wireless devices offering high data rate services limits the coexistence of wireless systems sharing the same resources in a given geographical area because of inter-system interference. Therefore, ...
Darehshoorzadeh, Amir (Data de defensa: 2012-07-23)
Advances in communication and networking technologies are rapidly making ubiquitous network connectivity a reality. In recent years, Wireless Mesh Networks (WMNs) have already become very popular and been receiving an ...
Landauer, Gerhard Martin (Data de defensa: 2014-07-07)
This thesis presents a body of work on the modeling of and performance predictions for carbon nanotube field-effect transistors (CNFET) and graphene field-effect transistors (GFET). While conventional silicon-based CMOS ...
Giner Tort, Anna (Data de defensa: 2018-10-08)
Vision is presented and universally accepted as the most precious of the human senses.lt is structured in three main parts: the optical system {eye), the photo-sensor {eye's retina), and the data processor (brain). If one ...
González Curto, Alberto (Data de defensa: 2013-07-16)
The emission of light is at the heart of both fundamental science and technological applications. At its origin lie electronic transitions in nanoscale materials such as molecules, atoms and semiconductors. The interaction ...
Taminiau, Tim Hugo (Data de defensa: 2011-11-22)
The interaction of light with matter is a central topic in both fundamental science and applied technology. At the heart of this interaction lies the absorption or emission of a photon by an electronic transition in for ...
Ortiz de Orruño Cuesta, Unai (Data de defensa: 2023-04-21)
(English) Nowadays, being able to precisely characterize nanoparticles is of key relevance in a wide range of scenarios. For instance, chemical and pharmaceutical industries often rely in particle-sizing for quality control. ...
Singh, Anshuman (Data de defensa: 2017-11-11)
Optical nanoantennas confine light on the nanoscale, enabling strong light-matter interactions with potential for ultra-compact optical devices. Apart from the direct applications in optical nanoscopy and sensing, nanoantennas ...
Villegas Juárez, Arturo (Data de defensa: 2023-04-26)
(English) Resolution enhancement in modern optical metrology techniques has been possible due to significant technological improvements. The accurate and precise control of wavelength, bandwidth, and power of light sources; ...
Romera Castillo, Cristina (Data de defensa: 2011-10-07)
Oceans store 685 Pg of organic carbon of which 662 Pg are in a dissolved form. The diversity of compounds that make up the dissolved organic matter (DOM) pool and the low concentration of each compound make the chemical ...
Santos Blanco, María Concepción (Data de defensa: 1998-03-02)
Esta tesis constituye un estudio detallado y exhaustivo de las propiedades de una variedad específica de ondas ópticas solitarias. Observadas experimentalmente por primera vez en 1995, estas ondas estan formadas por un ...
Gopalan, Kavitha Kalavoor (Data de defensa: 2018-10-22)
The mid-infrared (mid-IR) spectral region, with wavelengths between 3 and 15 µm, is known for a wide range of applications ranging from spectroscopic sensing to thermal imaging. However, despite the strong technological ...
Bodenstedt, Sven (Data de defensa: 2024-02-15)
(English) This thesis describes theoretical background, simulations, experimental apparatus and measurements of nuclear spin dynamics via optically pumped magnetometers in unconventional magnetic field regimes. It is divided ...
Febrer Nafría, Miriam (Data de defensa: 2020-11-25)
Walking impairment after spinal cord injury leads to a decreased quality of life, other serious health conditions, and substantial health care costs. Consequently, gait restoration is a high priority among spinal cord-injured ...
Fontanet i Ambròs, Mireia (Data de defensa: 2019-11-25)
By 2025, the Food and Agriculture Organization of the United Nations predicts that two-thirds of the world population will experience water stress conditions. In addition, it is expected that world population will increase ...
Westerman Spier, Daniel (Data de defensa: 2022-06-30)
Modular Multilevel Converters (MMCs) are a type of Voltage Source Converter (VSC) which have become the preferred topology choice for High Voltage Direct Current (HVDC) applications. Compare to its HVDC converter predecessors, ...
Ivanova, Anzhelika (Data de defensa: 2023-07-18)
(English) The smart grid concept in distribution networks has risen due to the ICT trend, with the transformation of the network into an active one, incorporating many different smart grid technologies. One of the main ...
Icaza Astiz, Yannik Alan de (Data de defensa: 2015-01-27)
To measure quantum features in a classical world constrains us to extend the classical technology to the limit, inventing and discovering new schemes to use the classical devices, while reducing and filtering the sources ...
Zenginis, Ioannis (Data de defensa: 2018-12-20)
Energy and transportation sectors are going through major changes as a result of technological advances, depletion of fossil fuels and climate change. With regard to the energy sector, the future smart grid is expected to ...