The legendary Cold War-era Lockheed U-2 Dragon Lady spyplane is getting a new lease on life as BAE Systems gives it an upgraded version of the AN/ALQ-221 Advanced Defensive System (ADS) to protect the ...
Abstract: This paper presents a novel and insightful approach to beamforming a $2\times 2$ antenna array using the theory of characteristic modes. The array comprises four rectangular patch antenna ...
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