Abstract: This paper studies the estimation of parameter for wideband underwater acoustic (UWA) channel with multi-scale and multi-lag (MSML) characteristics, within the framework of the OFDM system.

On the evening of Feb. 13, 2026, just hours before Valentine’s Day, a girl lay on the ground, covering her eyes with a black sash. Beside her was an iPad loaded with ChatGPT, running on GPT-4o, as ...

Abstract: HotStuff is a pipelined Byzantine Fault Tolerance (BFT) algorithm that has the good properties of both linear communication complexity and optimistic responsiveness. However, its three-chain ...