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- W2950223213 abstract "Multiple-input multiple-output (MIMO) radar has become a thriving subject of research during the past decades. In the MIMO radar context, it is sometimes more accurate to model the radar clutter as a non-Gaussian process, more specifically, by using the spherically invariant random process (SIRP) model. In this paper, we focus on the estimation and performance analysis of the angular spacing between two targets for the MIMO radar under the SIRP clutter. First, we propose an iterative maximum likelihood as well as an iterative maximum a posteriori estimator, for the target's spacing parameter estimation in the SIRP clutter context. Then we derive and compare various Cram'er-Rao-like bounds (CRLBs) for performance assessment. Finally, we address the problem of target resolvability by using the concept of angular resolution limit (ARL), and derive an analytical, closed-form expression of the ARL based on Smith's criterion, between two closely spaced targets in a MIMO radar context under SIRP clutter. For this aim we also obtain the non-matrix, closed-form expressions for each of the CRLBs. Finally, we provide numerical simulations to assess the performance of the proposed algorithms, the validity of the derived ARL expression, and to reveal the ARL's insightful properties." @default.
- W2950223213 created "2019-06-27" @default.
- W2950223213 creator A5001481378 @default.
- W2950223213 creator A5009527891 @default.
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- W2950223213 date "2016-03-29" @default.
- W2950223213 modified "2023-09-30" @default.
- W2950223213 title "MIMO Radar Target Localization and Performance Evaluation under SIRP Clutter" @default.
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- W2950223213 doi "https://doi.org/10.48550/arxiv.1603.08969" @default.
- W2950223213 hasPublicationYear "2016" @default.
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