Design of a GNSS receiver for the ESEO mission

Locarini, Alfredo (2014) Design of a GNSS receiver for the ESEO mission. [Laurea magistrale], Università di Bologna, Corso di Studio in Ingegneria aerospaziale [LM-DM270] - Forli', Documento ad accesso riservato.
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This thesis was carried out inside the ESA's ESEO mission and focus in the design of one of the secondary payloads carried on board the spacecraft: a GNSS receiver for orbit determination. The purpose of this project is to test the technology of the orbit determination in real time applications by using commercial components. The architecture of the receiver includes a custom part, the navigation computer, and a commercial part, the front-end, from Novatel, with COCOM limitation removed, and a GNSS antenna. This choice is motivated by the goal of demonstrating the correct operations in orbit, enabling a widespread use of this technology while lowering the cost and time of the device’s assembly. The commercial front-end performs GNSS signal acquisition, tracking and data demodulation and provides raw GNSS data to the custom computer. This computer processes this raw observables, that will be both transferred to the On-Board Computer and then transmitted to Earth and provided as input to the recursive estimation filter on-board, in order to obtain an accurate positioning of the spacecraft, using the dynamic model. The main purpose of this thesis, is the detailed design and development of the mentioned GNSS receiver up to the ESEO project Critical Design Review, including requirements definition, hardware design and breadboard preliminary test phase design.

Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Locarini, Alfredo
Relatore della tesi
Correlatore della tesi
Corso di studio
Ordinamento Cds
Parole chiave
GNSS, GPS, receiver, Altium, Ansys, design, electronics, PCB, space environment, ESEO, spacecraft, satellite, ESA
Data di discussione della Tesi
9 Ottobre 2014

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