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5 powerful pandas techniques every Python user should know

This tells pandas to build a pivot table, using the "region" column as the index, and the small, large, and "extra large" ...
IEEE

Two-Stage Beamspace MUSIC-Based Near-Field Channel Estimation for Hybrid XL-MIMO

Abstract: In extremely large-scale multiple-input multiple-output (XL-MIMO) systems, channel estimation poses a key challenge due to the introduction of the unknown distance parameter in near-field ...