Àrea de contingut
Universitat Politècnica de Catalunya
Listando Programa de Doctorat en Ciència i Tecnologia Aeroespacials por materia "621.3"
Mostrando ítems 1-15 de 15
Consolidation and assessment of a technique to provide fast and precise point positioning (Fast-PPP)
The research of this paper-based dissertation is focused on the Fast Precise Point Positioning (Fast-PPP) technique. The novelty relies on using an accurate ionosphere model, in combination with the standard precise satellite ...
Contribution to the development of pico-satellites for Earth observation and technology demonstrators
The submitted Ph.D. thesis is a contribution to the development of pico-satellites and nano-satellites for Earth Observation and Technology Demonstrators. Development of satellites with a mass from 1 kg up to 10 kg has ...
Contributions to GNSS-R earth remote sensing from nano-satellites
Global Navigation Satellite Systems Reflectometry (GNSS-R) is a multi-static radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatio-temporal sampling over current space-borne ...
Contributions to high accuracy snapshot GNSS positioning
(English) Snapshot positioning is the technique to determine the position of a Global Navigation Satellite System (GNSS) receiver using only a very brief interval of the received satellite signal. In recent years, this ...
Contributions to ionospheric determination with global positioning system: solar flare detection and prediction of global maps of total electron content
Two research studies have been addressed in this thesis. Both of them are of actual scientific interest and are based on processing GNSS data. The first part of this thesis is devoted to GNSS detection and monitoring of ...
Contributions to ionospheric modeling with GNSS in mapping function, tomography and polar electron
This dissertation focuses on determining the vertical electron content distribution in low and high vertical resolution from ground-based and LEO on board GNSS data and improving the knowledge of ionosphere climatology in ...
Contributions to the 3D ionospheric sounding with GPS data
La tesi proposa una sèrie d'algoritmes destinats a obtenir informació del contingut d'electrons lliures presents a la ionosfera. El tipus de dades que s'utilitzaran seran bàsicament les corresponents a receptors de dades ...
Dynamic stochastic modeling for inertial sensors
Es ampliamente conocido que los modelos de error para sensores inerciales tienen dos componentes: El primero es un componente determinista que normalmente es calibrado por el fabricante en el firmware de la IMU. El segundo ...
Dynamics and control of tethered satellite formations in low-Earth orbits
This thesis is focused on the study of dynamics and control of a multi-tethered satellite formation, where a multi-tethered formation is made up with several satellites (agents) connected by means of cables (tethers). The ...
A fast engineering approach to high efficiency power amplifier linearization for avionics applications
This PhD thesis provides a fast engineering approach to the design of digital predistortion (DPD) linearizers from several perspectives: i) enhancing the off-line training performance of open-loop DPD, ii) providing ...
Ground and marine resilient integration technology of multi-source sensors for navigation and positioning
(English) The present thesis focuses on the resilient terrestrial and marine technological integration for navigation and positioning based on the Global Navigation Satellite System (GNSS), the Inertial Navigation System ...
High-resolution deformation measurement using "Persistent Scatterer Interferometry"
Persistent Scatterer Interferometry (PSI) is a group of advanced differential interferometric SAR techniques that are used to measure and monitor terrain deformation. Different PSI techniques have been proposed in the last ...
PoCoLoCo : Positioning through cooperating loquacious communications
Aerial Transportation system is based in a legacy infrastructure that supports its different functionality separately. There is a tendency to simplify the infrastructure, increasing its efficiency, technical and monetary. UAS ...
Sentinel-1 data exploitation for terrain deformation monitoring
Persistent Scatterer interferometry (PSI) is a group of advanced differential interferometric Synthetic Aperture Radar (SAR) techniques used to measure and monitor terrain deformation. Sentinel-1 has improved the data ...
World-wide analysis and modelling of the ionospheric and plasmaspheric electron contents by means of radio occultations
The research of this dissertation is studying the ionosphere by GPS radio occultation (RO) techniques. It is mainly divided into two parts. The first part focuses on the methodology in electron density profile retrievals ...
