Emitter localization using clustering-based bearing association
A closed-form emitter location estimator using time difference of arrival (TDOA) measurements is developed based on triangulation of hyperbolic asymptotes. The problem of associating the asymptotes with the emitter is solved by clustering the bearing angles of the linear asymptotes using a kernel de...
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| Veröffentlicht in: | IEEE transactions on aerospace and electronic systems 2005-04, Vol.41 (2), p.525-536 |
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| container_title | IEEE transactions on aerospace and electronic systems |
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| creator | Dogancay, K. |
| description | A closed-form emitter location estimator using time difference of arrival (TDOA) measurements is developed based on triangulation of hyperbolic asymptotes. The problem of associating the asymptotes with the emitter is solved by clustering the bearing angles of the linear asymptotes using a kernel density estimate. A closed-form estimate of the emitter location is obtained from triangulation of the clustered bearings using a weighted version of the pseudolinear estimator. By way of simulation examples, the proposed closed-form estimator is shown to outperform the computationally demanding and divergence-prone maximum likelihood (ML) estimator at moderate TDOA noise levels. |
| doi_str_mv | 10.1109/TAES.2005.1468745 |
| format | Article |
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The problem of associating the asymptotes with the emitter is solved by clustering the bearing angles of the linear asymptotes using a kernel density estimate. A closed-form estimate of the emitter location is obtained from triangulation of the clustered bearings using a weighted version of the pseudolinear estimator. By way of simulation examples, the proposed closed-form estimator is shown to outperform the computationally demanding and divergence-prone maximum likelihood (ML) estimator at moderate TDOA noise levels.</description><identifier>ISSN: 0018-9251</identifier><identifier>EISSN: 1557-9603</identifier><identifier>DOI: 10.1109/TAES.2005.1468745</identifier><identifier>CODEN: IEARAX</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Asymptotes ; Australia ; Bearing ; Closed-form solution ; Computational modeling ; Emitters (electron) ; Estimates ; Estimators ; Exact solutions ; Kernel ; Lakes ; Mathematical analysis ; Maximum likelihood estimation ; Noise level ; Nonlinear equations ; Position (location) ; Time difference of arrival ; Time measurement</subject><ispartof>IEEE transactions on aerospace and electronic systems, 2005-04, Vol.41 (2), p.525-536</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The problem of associating the asymptotes with the emitter is solved by clustering the bearing angles of the linear asymptotes using a kernel density estimate. A closed-form estimate of the emitter location is obtained from triangulation of the clustered bearings using a weighted version of the pseudolinear estimator. By way of simulation examples, the proposed closed-form estimator is shown to outperform the computationally demanding and divergence-prone maximum likelihood (ML) estimator at moderate TDOA noise levels.</description><subject>Asymptotes</subject><subject>Australia</subject><subject>Bearing</subject><subject>Closed-form solution</subject><subject>Computational modeling</subject><subject>Emitters (electron)</subject><subject>Estimates</subject><subject>Estimators</subject><subject>Exact solutions</subject><subject>Kernel</subject><subject>Lakes</subject><subject>Mathematical analysis</subject><subject>Maximum likelihood estimation</subject><subject>Noise level</subject><subject>Nonlinear equations</subject><subject>Position (location)</subject><subject>Time difference of arrival</subject><subject>Time measurement</subject><issn>0018-9251</issn><issn>1557-9603</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kE1LAzEQhoMoWKs_QLwsHvS0NZNNsslJSqkfUPBgPYcknZWUbbdudg_6683aguDB08zwPvP1EnIJdAJA9d1yOn-dMErFBLhUJRdHZARClLmWtDgmI0pB5ZoJOCVnMa5TyRUvRuR-vgldh21WN97W4ct2odlmfQzb98zXfUxSSnNnI64yh3aoMhtj48MPek5OKltHvDjEMXl7mC9nT_ni5fF5Nl3kvhCiy7ljTniHoPxKOikZL1nlULBKMSm5BY4cXSk0UMY140pRDtRXIDlSylbFmNzu5-7a5qPH2JlNiB7r2m6x6aNRWoKmQkIib_4lmaIFS4sSeP0HXDd9u01fGCU18HRBmSDYQ75tYmyxMrs2bGz7aYCawXkzOG8G583B-dRzte8JiPjLH9RvrXV95A</recordid><startdate>20050401</startdate><enddate>20050401</enddate><creator>Dogancay, K.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Asymptotes Australia Bearing Closed-form solution Computational modeling Emitters (electron) Estimates Estimators Exact solutions Kernel Lakes Mathematical analysis Maximum likelihood estimation Noise level Nonlinear equations Position (location) Time difference of arrival Time measurement |
| title | Emitter localization using clustering-based bearing association |
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