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Sensor Web / Testbed Initiatives  

Overview

Related

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see the associated Validation Report, Part 7

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Questions and comments related to this document should be directed to:

Contact
Questions and comments related to this document should be directed to:

Michael Flick
EO-1 Technology Transfer Manager
EO-1 Mission Office
NASA Goddard Space Flight Center
Greenbelt, MD 20771
Phone: 301-286-8146
Fax: 301-286-1736
E-Mail: Michael Flick

To better understand how physical phenomena, such as volcanic eruptions, evolve over time, multiple sensor observations over the duration of the event are required. A sensor web approach offers the ability to trigger the imaging of these transient events via in-situ sensors and global-coverage, lower-resolution, on-orbit assets to capture higher temporal, spatial and spectral resolution images. The EO-1, along with other space and ground assets, have been used to implement progressive mission autonomy which in turn is used to identify, locate and image phenomena such as wildfires, volcanoes, floods and ice breakup with high resolution instruments. The software that plans, schedules and controls the various satellite assets are used to form ad hoc constellations which enable collaborative autonomous image collections triggered by transient phenomena. This software is both flight and ground based and works in concert to run all of the required assets cohesively and includes software that is model-based and contains artificial intelligence. Furthermore, experiments demonstrating more cost-effective interconnectivity between the various satellites are being conducted using adaptive antenna arrays arranged in an architecture similar to cell phone towers. These experiments are being conducted by a team of researchers and scientists at NASA's Goddard Space Flight Center and Jet Propulsion Laboratory in collaboration with numerous universities and other government agencies under the mantle of the Sensor Web. This activity provides a true end-to-end approach for prototyping the "system of systems" needed for global Earth observations as well as for honing lunar/planetary exploration strategies.

Overview documentation of this technology area using EO-1 as a testbed follows:


1. EO-1 Extended Mission Testbed Activities PPT
2. EO-1 Testbed Overview 6-8-03 PDF
3. Sensor Webs: Autonoumous Rapid Response to Monitor Transient Science Events PDF


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