Multi-Target Localization Using Polarization Sensitive Arrays
WW Howard, RM Buehrer - MILCOM 2021-2021 IEEE Military …, 2021 - ieeexplore.ieee.org
MILCOM 2021-2021 IEEE Military Communications Conference (MILCOM), 2021•ieeexplore.ieee.org
In this work we develop clustering techniques for the Bearing Only Target Localization
(BOTL) problem. Our scenario has a receiver move along some path, generating bearing
estimates on some interval. Multiple emitting targets exist in the environment, and may be
physically close with respect to the receiver distance. The first method is iterative and uses
only a series of observed bearings to multiple targets to establish clusters. In each iteration,
target positions are estimated using a nonlinear least squares solution. The second …
(BOTL) problem. Our scenario has a receiver move along some path, generating bearing
estimates on some interval. Multiple emitting targets exist in the environment, and may be
physically close with respect to the receiver distance. The first method is iterative and uses
only a series of observed bearings to multiple targets to establish clusters. In each iteration,
target positions are estimated using a nonlinear least squares solution. The second …
In this work we develop clustering techniques for the Bearing Only Target Localization (BOTL) problem. Our scenario has a receiver move along some path, generating bearing estimates on some interval. Multiple emitting targets exist in the environment, and may be physically close with respect to the receiver distance. The first method is iterative and uses only a series of observed bearings to multiple targets to establish clusters. In each iteration, target positions are estimated using a nonlinear least squares solution. The second technique uses additional polarization information, and is shown to be more effective while requiring more information. In addition the second technique is non-iterative and requires far less computation. In this work we presume knowledge of the number of targets. We conclude by providing simulations of our method and show that the proposed approach outperforms previously proposed methods.
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