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High resolution wideband direction finding arrays based on optimum symmetrical number system encoding

High resolution wideband direction finding arrays based on optimum symmetrical number system encoding

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A new interferometer direction finding (DF) array 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 designed, fabricated and tested at 8.5 GHz to verify the OSNS concepts experimentally.

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