IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...
Abstract: The global energy crisis has hastened the development and adoption of renewable energy sources. The rapid expansion of photovoltaic (PV) installed capacity exacerbates the challenge of unit ...
Abstract: This paper presents a method for constructing optimal frequency hopping patterns with ideal autocorrelation and cross-correlation properties based on algebraic Costas arrays. A ...
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