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Progress In Electromagnetics Research
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AN EFFECTIVE TECHNIQUE FOR REDUCING THE TRUNCATION ERROR IN THE NEAR-FIELD-FAR-FIELD TRANSFORMATION WITH PLANE-POLAR SCANNING

By F. D'Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and G. Riccio

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Abstract:
An effective approach is proposed in this paper for estimating the near-field data external to the measurement region in the plane-polar scanning. It relies on the nonredundant sampling representations of the electromagnetic field and makes use of the singular value decomposition method for the extrapolation of the outside samples. It is so possible to reduce in a significant way the error due to the truncation of the measurement zone thus increasing the farfield angular region of good reconstruction. The comparison of such an approach, based on the optimal sampling interpolation expansions, with an existing procedure using the cardinal series has highlighted that the proposed technique works better. Some numerical tests are reported for demonstrating its effectiveness.

Citation: (See works that cites this article)
F. D'Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and G. Riccio, "An effective technique for reducing the truncation error in the near-field-far-field transformation with plane-polar scanning," Progress In Electromagnetics Research, Vol. 73, 213-238, 2007.
doi:10.2528/PIER07032202
http://www.jpier.org/PIER/pier.php?paper=07032202

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