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Proceedings Paper

Coherent uplink arraying techniques for next generation orbital debris, near earth object, and space situational awareness radar systems
Author(s): B. J. Geldzahler
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Paper Abstract

With the successful completion of a field demonstration of uplink arraying at 8 GHz (X-band) using real-time atmospheric compensation enabled by phase transfer rather than time transfer techniques- completion in mid-Aug 2010, NASA is interested in demonstrating a similar capability at 30-31 GHz (Ka band). Such a demonstration would enable NASA to establish [a] a high power, high resolution, 24 / 7 availability radar system for characterizing observations of Near Earth Objects, determining the statistics of small [≤10cm] orbital debris, [ b ] to incorporate the capability into its space communication and navigation tracking stations for emergency spacecraft commanding in the Ka band era which NASA is entering and [c] to field capabilities of interest to other US government agencies. We describe a a project of Evolutionary Steps Leading to Revolutionary Increases in Capability and Capacity

Paper Details

Date Published: 24 May 2012
PDF: 12 pages
Proc. SPIE 8382, Active and Passive Signatures III, 83820R (24 May 2012); doi: 10.1117/12.924829
Show Author Affiliations
B. J. Geldzahler, NASA Headquarters (United States)


Published in SPIE Proceedings Vol. 8382:
Active and Passive Signatures III
G. Charmaine Gilbreath; Chadwick Todd Hawley, Editor(s)

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