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11 results found
Reliable TT&C during superior solar conjunctions

The purpose of this study was to define the a communication subsystem architecture (including both ground and space segments, as well as operational methods) that allows robust RF TT&C links during superior solar conjunction phases. The defined architecture shall ensure robust and reliable links in scintillation regimes (i.e. at low SEP angles) where TT&C links are nowadays degraded, leading to occasional link interruptions. Similarly, the defined architecture shall ensure that at even higher scintillation regimes (i.e.

Italy

13-028-a

University of Bologna
Clean Sat technology assessment and concurrent engineering in support of LEO platform evolutions

In this activity, LSI's Airbus, OHB and Thales Alenia Space evaluated CleanSat technologies.

Italy

15/M61-c

Thales Alenia Space
Benchmarking re-entry prediction uncertainties (Parallel b)

The project is dedicated to an in-depth study of the re-entry of ESA's Gravity Field and Steady-State Ocean Circulation Explorer (GOCE), for which a rich measurement dataset is available up to the very end of its decay phase.

Italy

14-608-b

Space Dynamics Services
Disaster risk reduction using innovative data exploitation methods and space assets

The difficult and costly access to reliable and quality Earth Observation (EO) satellite data has historically often limited the development of operational and sustainable services in multiple application domains (among which Disaster Risk Management) and, as a consequence, it has impaired the benefit that the society could have been receiving back as a return of huge multi annual investments in the space sector.

Italy

13-037

E-GEOS
Integrating SAR interferometry and GNSS for studying tectonic processes in Indonesia

Indonesia is periodically affected by severe volcanic eruptions and earthquakes, which are geologically coupled to the convergence of the Australian tectonic plate beneath the Sunda Plate. SAR interferometry (InSAR) is a satellite technology based on radar sensors that can be used to support the study and modelling of terrain movements such as tectonic motions associated with faults, and volcanic processes related to magma movement. The main advantages of InSAR is the synoptic view of wide areas, and the periodic surveying that guarantees long-term monitoring and time series analysis.

Italy

14-A-2-a

ISSIA
Reliable TT&C during superior solar conjunctions

The study aims at investigating technical solutions to design a reliable TT&C system during superior solar conjunctions, to mitigate the detrimental effects of phase and amplitude scintillation, which limit the maneuvers under 5 deg of Sun- Earth-Probe (SEP) angle. After the analysis of data acquired during superior solar conjunctions of Mars Express (MEX) in 2013-2015 and Cassini in 2001-2002, that allowed deriving a mathematical model to be used in the simulations, the current ESA TT&C system has been evaluated, in terms of link performance.

Italy

13-028-b

Arpsoft
Design for Removal: How to design S/C to support active debris removal if uncontrolled

In the future, satellites will have to demonstrate compliance with debris mitigation requirements, covering re-entry or parking graveyard orbits and passivation. Nevertheless, during the mission, a failure could occur without any possibility to manoeuvre the satellite and achieving its compliance to the Space Debris Mitigation requirements. Therefore to anticipate the need to use ADR for deorbiting (or reorbiting) the satellite, it is interesting to evaluate the implication of adapting the satellites and launcher upper stage to support a future ADR mission.

Italy

15/705-b

Thales Alenia Space
Small Mars Satellite

The activities carried out in the phase 0 deal with the mission concept and, in particular, with the interplanetary analysis and contributions to the mission requirements. The activities can be summarized as follows:
- study of the state of the art of Mars landers, with focus on issues such as the launcher, the interplanetary trajectory, the type of planetary approach, the design of the spacecraft, the layout, the mass and power budgets, the aerodynamic parameters, the entry, descent & landing strategy;

Italy

15/714

Ali SCARL
Autonomous Medical Monitoring and Diagnostic

The objective of the project was to define, design and validate data mining algorithms that enable advanced or autonomous medical monitoring and diagnostics for astronauts, exploiting standard medical data available from health and sanitary structures.

Italy

13-046-b

SATE
Autonomous Medical Monitoring and Diagnostic

The objective of the project was to define, design and validate data mining algorithms that enable advanced or autonomous medical monitoring and diagnostics for astronauts, exploiting standard medical data available from health and sanitary structures.

Italy

13-046-b

SATE

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