Shared aperture array antennas composed of differently sized

Doctoral thesis (2006)

Authors

Contributors

L.P. Ligthart (promotor)
Faculty
Electrical Engineering, Mathematics and Computer Science (EEMCS) (TU Delft)
Copyright: © 2006 C.I. Coman
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Published Date

23-01-2006

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

A novel solution for conceiving wide band (multi-band) array antennas is presented. The solution is based on the concept of interleaving sparse, sub-arrays operating at separate frequencies. Sparse array antennas offer two major advantages, namely: they have non-uniformly distributed elements, with possibly large distances between elements (this providing the necessary space for interleaving different sub-arrays), and they do not require the amplitude tapering of the elements for controlling the array radiation pattern.