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Observability: Range-Only Versus Bearings-Only Target Motion Analysis When the Observer Maneuvers Smoothly

Abstract : Range-only target motion analysis (ROTMA) consists of estimating the trajectory of a target using a single platform collecting range-only measurements. Observability analysis is carried out when the target is in constant-velocity motion and the observer maneuvers gently (a constant turn motion or a constant acceleration motion). We compare observability in bearings-only target motion analysis (BOTMA) and ROTMA throughout the paper, together with the rank of the Fisher information matrix. In each case, we establish necessary and sufficient observability conditions and we identify the virtual (or ghost) targets giving the same measurements when the system is not observable.
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https://hal-univ-tln.archives-ouvertes.fr/hal-03661187
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Submitted on : Friday, May 6, 2022 - 4:06:49 PM
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Claude Jauffret, Annie-Claude Perez, Denis Pillon. Observability: Range-Only Versus Bearings-Only Target Motion Analysis When the Observer Maneuvers Smoothly. IEEE Transactions on Aerospace and Electronic Systems, Institute of Electrical and Electronics Engineers, 2017, 53 (6), pp.2814-2832. ⟨10.1109/TAES.2017.2716438⟩. ⟨hal-03661187⟩

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