Stefan J. Wijnholds, Wim A. van Cappellen, Jan Geralt bij de Vaate and Arnold van Ardenne, "Phased-Array Antenna System Development for Radio-Astronomy Applications", IEEE Antennas and Propagation Magazine, V55, no. 6, pp293-308, December 2013

Phased array antenna systems are playing an increasingly significant role in the passive, i.e., receive only, radio astronomy application. They provide attractive features such as a large instantaneous field-of-view, multi-beaming capability and rapid response time. In this paper we present an overview of current developments on phased array antenna systems for radio astronomy with an emphasis on the design challenges posed by this application.

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