Hunter Leland

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In this paper, we give an overview of spatial identification (determining position and velocity) of modulated backscatter UHF RFID tags using RF phase information. We describe three main techniques based on PDOA (Phase Difference of Arrival): TD (Time Domain), FD (Frequency Domain), and SD (Spatial Domain). The techniques are illustrated with modeling and(More)
The extremely large volume of photographic material now being provided by r e connaissance and surveillance systems, coupled with limited, but significant, successes in designing machinery to recognize patterns has caused serious consideration to be given to the automation of certain portions of the photo interpretation task. While there is little present(More)
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