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System impacts of propulsion Passivation

Propulsion passivation is most of the time feasible for running missions, using thrusters and existing AOCS modes, whatever the number of tanks and for both monopropellant and bipropellant systems.
For monopropellant systems the propulsion passivation may be:
-Partial for tank(s) with membrane. All the hydrazine under the membrane may be depleted but the pressurant gas above the membrane cannot be depleted. The final tank pressure is close to typically 5 bars at the end of mission.

France

13-060-b

Airbus Defence &...
IOD of techniques and technologies for M2M Telecom missions

Generally speaking DIAMS has been an opportunity to secure the feasibility of the IOD in technical, programmatic and financial terms. More specifically DIAMS has allowed to define the end-to-end mission concept for this IOD, covering the design of various associated segments : Space Segment (Payload, Platform), and Ground Segment. Both interest and programmatic aspects have also been consolidated.

- On the technical plane :
Both the requirements and the design of the system have been refined to validate the IOD concept :

France

13/701

Airbus Defence &...
Payload Analyses of Passive Bistatic Synthetic Aperture Radar

Saocom-CS payload is aimed at being mounted onboard a dedicated satellite that will flight in formation with Saocom-1B satellite., the L-band SAR satellite property of CONAE (Comisión Nacional de Actividades Espaciales, Argentina).

France

13-069

Airbus Defence &...

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