Formation flying picosat swarms for forming extremely large apertures

Details Formation flying picosat swarms for forming extremely large apertures Formation flying picosat swarms for forming extremely large apertures

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006esasp.633...57b&link_type=abstract

First Workshop on Innovative System Concepts, 21 February 2006, Noordwijk, The Netherlands. Ed.: Karen Fletcher. ESA SP-633, Noo

Physics

1

Space Antenna Arrays

Scientific paper

This paper serves as a brief introduction to forming a very large array antenna in space. Some reasons why such large antennas are desirable are stated, followed by reasons why beyond some size they must consist of sparse arrays of very small spacecraft, whose signals are coherently combined to form a very large yet lightweight antenna, the requirements for coherent additon are discussed, and some aspects of the antenna pattern are presented. Some orbit design considerations are discussed, and the questions of where and how to locate the feed are discussed with reference to sensitivity to spacecraft position knowledge. Some considerations of how to maintain formation are also addressed.

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