Abstract: In this brief, a frequency and pattern reconfigurable antenna using double layer petal shaped parasitic structure loaded with PIN diodes is proposed. The double layer parasitic structure ...
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 ...
A Coast Guard MH-60T Jayhawk was in a festive mood over the weekend, issuing a holly jolly “Ho-ho-ho” in the skies. As spotted by the Flightradar24 flight tracking site and shared on its X account, ...
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