Examination of radar imagery from recent data collections using the spectrally agile frequency-incrementing reconfigurable (SAFIRE) radar system

Brian R. Phelan; Kenneth I. Ranney; Canh Ly; Philip J. Saponaro Jr.; Kelly D. Sherbondy; Ram M. Narayanan

doi:10.1117/12.2307302

4 May 2018 Examination of radar imagery from recent data collections using the spectrally agile frequency-incrementing reconfigurable (SAFIRE) radar system

Brian R. Phelan, Kenneth I. Ranney, Canh Ly, Philip J. Saponaro Jr., Kelly D. Sherbondy, Ram M. Narayanan

Author Affiliations +

Proceedings Volume 10633, Radar Sensor Technology XXII; 106330M (2018) https://doi.org/10.1117/12.2307302
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

The US Army Research Laboratory (ARL) has recently developed the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) radar system during its ongoing research to provide ground vehicular standoff detection and classification of obscured and/or buried explosive hazards. The system is a stepped-frequency radar (SFR) that can be reconfigured to omit operation within specific sub-bands of its 1700 MHz operating band (300 MHz to 2000 MHz). It employs two transmit antennas and an array of 16 receive antennas; the antenna types are quad-ridged horn and Vivaldi, respectively. The system is vehicle-mounted and can be interchanged between forward- or side-looking configurations. In order to assess and evaluate the performance of the SAFIRE radar system in a realistic deployment scenario, ARL has collected SAFIRE data using militarily-relevant threats at an arid US Army test site. This paper presents an examination of radar imagery from these data collection campaigns. A discussion on the image formation techniques is presented and recently processed radar imagery is provided. A summary of the radars performance is presented and recommendations for further improvements are discussed.

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Brian R. Phelan, Kenneth I. Ranney, Canh Ly, Philip J. Saponaro Jr., Kelly D. Sherbondy, and Ram M. Narayanan "Examination of radar imagery from recent data collections using the spectrally agile frequency-incrementing reconfigurable (SAFIRE) radar system", Proc. SPIE 10633, Radar Sensor Technology XXII, 106330M (4 May 2018); https://doi.org/10.1117/12.2307302

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KEYWORDS

Radar

Antennas

Calibration

Image filtering

Land mines

Receivers

Target detection

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