Abstract: The paper presents a hexagonal 12-element array working at 5.8 GHz. The proposed device operates in circular polarization exploiting the sequential rotation architecture. The antenna ...

Abstract: Costas arrays have ideal autocorrelation and are widely used in radar, sonar and other fields. Two main methods to obtain Costas arrays are algebraic construction and exhaustive search, the ...

A selection of altcoins have posted double-digit gains over the past week, while Bitcoin remains less volatile and range-bound. Bitcoin has been trading below $71,000 since February 6, when it briefly ...