Amplitude-Only Low Sidelobe Synthesis for Large Thinned Circular Array Antennas

This communication presents results for the low sidelobe synthesis using amplitude-only tapering applied on the turned ON elements of large circular thinned arrays. The low sidelobe synthesis was carried out with the same iterative Fourier transform method that was developed earlier to restore the o...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2012-02, Vol.60 (2), p.1157-1161
Main Author: Keizer, W. P. M. N.
Format: Article
Language:English
Subjects:
Antennas
Apertures
Applied sciences
Array antennas
Arrays
Azimuth
Exact sciences and technology
Fourier transforms
low sidelobes
Nulling
pattern synthesis
Planar arrays
Radar
Radiocommunications
Services and terminals of telecommunications
Sidelobes
Synthesis
Systems, networks and services of telecommunications
Tapering
Telecommunications
Telecommunications and information theory
Telemetry. Remote supervision. Telewarning. Remote control
thinned arrays
Wavelengths
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Description
Summary:This communication presents results for the low sidelobe synthesis using amplitude-only tapering applied on the turned ON elements of large circular thinned arrays. The low sidelobe synthesis was carried out with the same iterative Fourier transform method that was developed earlier to restore the original sidelobe performance in case of defective array elements. The presented low sidelobe results refer to highly thinned circular arrays with diameters ranging from 25 to 133.3 wavelengths and involved both sum and difference patterns. In addition, sector nulling in combination with low sidelobes was numerical investigated.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2011.2173119