The antenna far field (FF) pattern was determined from near field (NF) measurements over a spiral wrapping of a sphere from pole to pole. An interpolation algorithm for the electromagnetic (EM) field reconstruction over the sphere from the knowledge of a nonredundant number of samples was developed. The accuracy and stability of the formula and the effectiveness of the proposed innovative NF-FF transformation technique was assessed by numerical simulations.
A new and efficient NF-FF transformation with spherical spiral scanning
D'AGOSTINO, Francesco;GENNARELLI, Claudio;
2001
Abstract
The antenna far field (FF) pattern was determined from near field (NF) measurements over a spiral wrapping of a sphere from pole to pole. An interpolation algorithm for the electromagnetic (EM) field reconstruction over the sphere from the knowledge of a nonredundant number of samples was developed. The accuracy and stability of the formula and the effectiveness of the proposed innovative NF-FF transformation technique was assessed by numerical simulations.File in questo prodotto:
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