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Polar research using ice-penetrating radars will benefit from the development of smaller and more flexible systems. In this paper, we present the development progression for a series of compact and frequency-reconfigurable ice-penetrating radars based on software-defined radio (SDR) technology and platforms. The Ice Radar series we developed consists of three systems, each based on a different SDR platform that afforded additional capability as we progressed. Detailed descriptions of system structure and performance are provided for each ice radar. We present laboratory measurements to support system capabilities, and provide results of field experiments at Subglacial Lake Whillans in West Antarctica for one of the systems. Finally, we discuss ongoing research of ice-penetrating radar development that utilize SDR technology.

Software-Defined Radar Systems for Polar Ice-Sheet Research