A passive radar system that coopts digital broadcast (DAB/ DVB) signals is appealing but challenging: a single-antenna receiver system can only measure a bistatic range/range-rate; and, due to the energy-efficient multitransmitter commercial implementation, there is a confounding uncertainty as to which transmitter (illuminator) was responsible for a given “hit.” In a companion paper we proposed some ways to track directly in native geographic coordinates. Here we suggest and compare two approaches for track initiation.
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Choi et al. (2015) studied this question.
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