High directive antenna with virtual aperture
Date of Issue2009
IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting (2009 : Charleston, US)
School of Physical and Mathematical Sciences
In this article, we propose a spherical shell-core structure which is able to achieve arbitrarily large directivity. The structure is obtained from coordinate transformation. A small antenna can be projected to free space with a large dimension, which subsequently leads to a large directivity.
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