decoupling of multifrequency dipole antenna arrays for microwave imaging applications

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ID: 198612
2010
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Abstract
The mutual coupling between elements of a multifrequency dipole antenna array is experimentally investigated by S-parameter measurements and planar near-field scanning of the radiated field. A multifrequency array with six dipoles is analyzed. In order to reduce the coupling between dipoles, a planar metasurface is placed atop the array acting as superstrate. The mutual coupling of the antenna elements in the absence and presence of the superstrate is presented comparatively. Between 3 and 20 dB mutual coupling reduction is achieved when the superstrate is used. By scanning the field radiated by the antennas and far-field measurements of the radiation pattern, it is observed that the superstrate confines the radiated power, increases the boresight radiation, and reduces the endfire radiation.
Reference Key
saenz2010internationaldecoupling Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. Saenz;K. Guven;E. Ozbay;I. Ederra;R. Gonzalo
Journal american journal of physiology endocrinology and metabolism
Year 2010
DOI
10.1155/2010/843624
URL
http://dx.doi.org/10.1155/2010/843624
Keywords
electrical engineering electronics wireless telephone industry nuclear engineeringcellular telephone services industry

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