In 1995, divers first noticed a group of bizarre sandy "crop circles" on the seabed around Amami Oshima Island, southwest ...
Abstract: A fully digital antenna array is developed and experimentally tested for beamforming, null generation, and in-band full duplex (IBFD) retrodirective beam-steering. The supporting S-band ...
Abstract: This study presents a comprehensive mathematical model for analyzing optimum frequency hop (FH) patterns (OFHPs) derived from two-dimensional circular shifts applied to a Golomb Costas array ...
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