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Scan-based radar localization is a passive emitter localization technique for stationary pulsed radars with rotating antenna. In scan-based localization knowledge of the radar sweep rate is used to determine the subtended angle of the radar location from a pair of receivers. A collection of subtended angles is utilized to estimate the radar location. The paper first presents a maximum likelihood estimator for scan-based localization and an iterative Gauss-Newton implementation for it. The Cramer-Rao lower bound (CRLB) for the radar location estimate is derived. Based on the optimization of the CRLB, a practical technique for determining optimal receiver trajectories is developed. The effectiveness of the developed technique is illustrated with several simulation examples.
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Kutluyıl Doğançay (2007) studied this question.
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