High resolution wideband direction finding arrays based on optimum symmetrical number system encoding
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A new interferometer direction finding (DF) arry architecture based on the optimum symmetrical number system (OSNS) is presented. OSNS arrays are capable of unambiguous high resolution DF over a wide bandwidth and field of view with as few as three elements, with multiple baseline options. A three element array was design, fabricated and tested at 8.5 GHz to verify the OSNS concepts experimentally.
Electronics Letters, Vol. 34, No. 11, May 1998, pp. 1062-1064