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A novel technique for the determination of the radiation patterns of medium gain antennas from scalar intensity measurements

Lookup NU author(s): Professor Satnam Dlay, Dr Wai Lok Woo

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Abstract

This work described a technique whereby indirect holography can be extended to enable the radiation patterns of medium gain antennas to be obtained in a simple and inexpensive manner. It has described a method which overcomes the limitations imposed by using a traditional radiated reference signal. This has been achieved by sampling at spacing much less than half wavelength and electronically introducing a phase shift between each sample. The resultant separation of Fourier transform terms enables the far field radiation pattern to be determined. This has been supported by simulation results for a small antenna which demonstrate the improvement available using this technique. It has also demonstrated that this technique can also be applied to the reconstruction of complex fields at any desired distance from the antenna. This has included the reconstruction of antenna aperture fields which show good agreement with the original aperture fields. (6 References).


Publication metadata

Author(s): Smith D, Leach M, Dlay SS, Woo WL

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 6th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2003)

Year of Conference: 2003

Pages: 373-376

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ISAPE.2003.1276705

DOI: 10.1109/ISAPE.2003.1276705

Library holdings: Search Newcastle University Library for this item

ISBN: 0780378318


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