Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 54, Issue 8, Pages 2253-2262Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2006.879195
Keywords
antenna arrays; random arrays; subarrays; wide-band arrays
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We propose an extension to the concept of random antenna arrays. Three new array geometries are introduced which are intended to incorporate the wide bandwidth capability of a random array while having simplified geometry to increase their suitability for lower-cost applications. The behaviors of the periodic array of random subarrays, array of periodically rotated random subarrays, and array of randomly rotated random subarrays are each characterized probabilistically. Results indicate that subarray rotation can lower the sidelobe level of the array factor. An example of the design process is presented with calculated array factors.
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