An effective technique is proposed in this paper for evaluating the directivity of an antenna under test from near-field measurements on a cylinder. It employs a closed-form formula for computing the total radiated power from the knowledge of the radiation intensity samples on the far-field sphere. These samples are determined via a probe-compensated near-field–far-field transformation and result to be even in number on each parallel. The effectiveness of such a procedure is assessed through numerical tests.
Computation of antenna directivity from cylindrical near–field measurements
FERRARA, Flaminio;GENNARELLI, Claudio;GUERRIERO, ROCCO;RICCIO, Giovanni;
2006-01-01
Abstract
An effective technique is proposed in this paper for evaluating the directivity of an antenna under test from near-field measurements on a cylinder. It employs a closed-form formula for computing the total radiated power from the knowledge of the radiation intensity samples on the far-field sphere. These samples are determined via a probe-compensated near-field–far-field transformation and result to be even in number on each parallel. The effectiveness of such a procedure is assessed through numerical tests.File in questo prodotto:
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