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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Angeletti, P. Toso, G. Ruggerini, G. |
| Copyright Year | 1963 |
| Abstract | The paper describes a deterministic algorithm based on simple analytical equations for designing planar circular sparse array antennas where the positions and the dimensions of the radiating elements are jointly exploited and optimized. The proposed solution permits addressing one of the main limitations associated to sparse arrays, i.e., their poor aperture efficiency especially when patterns with low sidelobe levels are obtained using only the density of the elements avoiding any amplitude tapering. The accuracy of the method is guaranteed by the fact that the achieved directivity differs from the target value, associated to a continuous reference aperture distribution, by a quantity asymptotically equal to the factor π/4 (corresponding to about -1.05 dB) representing the filling factor of a circular planar array organized in concentric rings populated by circular apertures. As required for several applications, the method includes the possibility to add a constraint on the maximum scanning angle with respect to the boresight direction. |
| Sponsorship | IEEE Antennas and Propagation Society |
| Starting Page | 1627 |
| Ending Page | 1639 |
| Page Count | 13 |
| File Size | 2901085 |
| File Format | |
| ISSN | 0018926X |
| Volume Number | 62 |
| Issue Number | 4 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Apertures Arrays Equations Approximation methods Antenna radiation patterns Planar arrays density taper techniques Antenna synthesis aperiodic arrays synthesis array antennas |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electrical and Electronic Engineering |
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