Abstract
In this paper, a method for simultaneous deinterleaving and direct position determination (DPD) of multiple pulsed sources is presented, utilizing a pulse receiver on a moving platform. Traditional localization methods were based on the estimation of an intermediate parameter, and the intersection of these parameters results in source localization. DPD removes this step and determines the source's position by a single step processing. Previous works in DPD achieved suitable results in localization performance and multi-target resolution, but their problem structure is not applicable to the multiple pulsed sources, and a deinterleaving step is necessary. Moreover, traditional deinterleaving methods have limited performance. We present an approach, which localizes the sources and separates their pulses in a single-phase algorithm, based on a probability spectrum. Simulation results show that this combination of DPD and deinterleaving can enhance the performance of both phases.
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