This paper focuses on the channel estimation and symbol detection problems in multi-input multi-output (MIMO) underwater acoustic (UWA) communications. To enhance channel estimation performance, a ...

The sacred yellow serpents of Asclepius, the porieas, symbolized healing, renewal, divine power in ancient Greek medical and ...

The Margin As FB becomes META, here are 10 creative ticker symbols For some companies, those letters are key to building a brand identity By Charles Passy Last Updated: June 11, 2022, 2:03 p.m. ET ...

Two 4,500-year-old seal impressions discovered on a Cycladic island may overturn everything we know about the birth of ...