NEAR-FIELD TO FAR-FIELD TRANSFORMATION WITH PLANAR SPIRAL SCANNING | Zendy

Sandra Costanzo | Zendy; G. Di Massa | Zendy

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NEAR-FIELD TO FAR-FIELD TRANSFORMATION WITH PLANAR SPIRAL SCANNING

Author(s) -

Sandra Costanzo,

G. Di Massa

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07031903

Subject(s) - spiral (railway) , planar , near and far field , transformation (genetics) , interpolation (computer graphics) , radiation pattern , convolution (computer science) , antenna (radio) , field (mathematics) , optics , fourier transform , computer science , mathematics , physics , mathematical analysis , artificial intelligence , telecommunications , computer graphics (images) , pure mathematics , biochemistry , gene , motion (physics) , chemistry , artificial neural network

—A transformation procedure,directly computing,the antenna far-field pattern from near-field samples acquired on a planar spiral is proposed in this paper. The convolution property of the radiation integral is exploited to efficiently perform the evaluation by taking advantages of the Fast Fourier Transform, without the need of any intermediate interpolation process. Validations on circular arrays of elementary dipoles are presented to show the effectiveness of the method.

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