DUAL METHOD OF MINIMUM SPATIAL EXTENT FOR ROBUST ESTIMATION OF DIPOLE RADIATION SOURCES
Науковий журнал «Радіоелектроніка, інформатика, управління»
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DUAL METHOD OF MINIMUM SPATIAL EXTENT FOR ROBUST ESTIMATION OF DIPOLE RADIATION SOURCES |
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Vovk, S. M.; Dnipropetrovs’k National University, Ukraine Borulko, V. F.; Dnipropetrovs’k National University, Ukraine |
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electric dipole, spatial extent, robust estimation, regularization |
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The robust estimation of dipole radiation-source parameters from near-field measurement is considered. The case of data distorted by<br />additive noise and by spikes is investigated. A new approach based on a principle of minimal spatial extent is suggested. This approach<br />states that the solution extent as well as the extent of solution discrepancy should be minimal together. The model of radiation sources<br />described by the one-dimensional array of ideal Hertzian dipoles is used. The task geometry, when dipoles are located along a straight line,<br />which is parallel to the measurement line of electric field, and when electric moments of all dipoles are perpendicular to the measurement<br />plane, is considered. Algorithm of data processing based on conjugate gradient method is proposed. Numerical simulations with the error<br />boundaries are presented. |
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Zaporizhzhya National Technical University 2015-01-27 10:16:30 |
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application/pdf http://ric.zntu.edu.ua/article/view/36788 |
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Radio Electronics, Computer Science, Control; No 2 (2014): Radio Electronics, Computer Science, Control |
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ru |
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Copyright (c) 2015 S. M. Vovk, V. F. Borulko |
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