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 ...
Abstract: With the improvement of satellites' maneuverability, agile earth observation satellites (AEOSs) can pitch and roll themselves to observe targets with a longer visible time window (VTW), ...
Witness nature's magic! We reveal the stunning colors & unique patterns of baby pythons, ensuring each hatchling is healthy & strong. An up-close experience you won't forget! Trump threatens to block ...
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