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Projecte matriculat

Títol: Interfeormetric Baseline Extension for Precise Orbit Determination of Geostationary Satellites

Director: NICOLÁS ÁLVAREZ, JORGE

Departament: TSC

Títol: Interfeormetric Baseline Extension for Precise Orbit Determination of Geostationary Satellites

Data inici oferta: 28-01-2021     Data finalització oferta: 28-09-2021


Estudis d'assignació del projecte:
    DG ENG AERO/SIS TEL
Tipus: Individual
 
Lloc de realització:
UPC
    Departament: TSC - Edifici D3 - Campus Nord (Barcelona)
 
Segon director (UPC): BROQUETAS IBARS, Antoni
 
Paraules clau:
interferometry, precise orbit determination, remote sensing, GEOSAR, electronics, hardware
 
Descripció del contingut i pla d'activitats:
Background: Low Earth Orbit Synthetic Aperture Radars (LEOSAR) present a main drawback regarding their revisit time of several days or weeks. At most, they can only provide an image of the same area of the planet per week. To mitigate this limitation, Geosynchronous Synthetic Aperture Radars (GEOSAR) missions will be able to provide permanent monitoring over wide areas of the planet. GEOSAR presents a main challenge: it requires unprecedented orbit determination precision. We have to demonstrate that we can get this precision before launching any spacecraft. The group has developed a ground interferometer prototype in the UPC-D3 building in order to track non-cooperative geostationary telecommunication satellites. The first experimental demonstration has shown promising results.
The student will work in the context of some on-going space missions:
- The European Space Agency (ESA) selected Hydroterra on its call for the tenth Earth Explorer mission. Hydroterra will help scientists unravel the details of the daily water cycle. In the event of a natural disaster, they would be able to predict the development of floods and emergency services will be able to safely evacuate the citizens before the water rise.
- NASA Jet Propulsion Laboratory (JPL) has a keen interest in the presented technique and has contacted us to join their team in an emerging snow remote sensing mission.

Goal: The project consists of retrieving geosynchronous satellite orbits from experimental interferometric measurements. The student will work with an Extended Kalman Filter module programmed with Python in order to estimate the satellite trajectory. They will work with different datasets of observables: we either perform the tracking of a single satellite or three satellites at a time. The student will also work in the compensation of errors caused by atmospheric perturbations. They will analyze the data of a meteorological station and correlate them with the orbit observations.
 
Orientació a l'estudiant:
- Interès i entusiasme pels sistemes espacials.
- Coneixements de programació. No importa el llenguatge. Python s'aprèn ràpid.
- Coneixements de meteorologia son útils, però no imprescindibles.
- Disponibilitat completa matí i tarda.
- En funció de la situació de la pandèmia el projecte es podrà dur a terme de manera telemàtica.
 
Requereix activitats hardware: Si
 
Requereix activitats software:     Sistema operatiu:     Disc (Gb):
 
Horari d'atenció a estudiants per a l'assignació de projecte:
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Data de generació 10/05/2021