In this paper, we propose FrSAM, a channel structure-aware merging method in the fractional Fourier domain (FrFD) for single-input multiple-output (SIMO) underwater acoustic communication systems.

Computer numerical control (CNC) machine tools consume a large amount of raw materials in its manufacturing process. With the emphasis on the economy of machine tools, reducing the material ...

This important study builds on previous work from the same authors to present a conceptually distinct workflow for cryo-EM reconstruction that uses 2D template matching to enable high-resolution ...

Global growth is projected at –4.9 percent in 2020, 1.9 percentage points below the April 2020 World Economic Outlook (WEO) forecast. The COVID-19 pandemic has had a more negative impact on activity ...

- -## Q2:一键训练结束没有索引 - -显示"Training is done. The program is closed."则模型训练成功，后续紧邻的报错是假的； - -一键训练结束完成没有added开头的索引文件，可能是因为训练集太大卡住了添加索引的步骤；已通过批处理add索引解决内存add索引对内存需求过大的 ...

The snow burst through the trees with no warning but a last-second whoosh of sound, a two-story wall of white and Chris Rudolph’s piercing cry: “Avalanche! Elyse!” The very thing the 16 skiers and ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Natalya Yashina is a CPA, DASM with over 12 years of experience in ...