Abstract: The beamforming algorithm is a classic method in array signal processing. When the steering vector and the covariance matrix of noise (including interference) are precisely estimated, the ...

Abstract: Heavy outside forces and bad weather may damage marine constructions, for example, ships slamming into them or earthquakes can do this. This might cause cracks to grow and spread, which can ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...

US chemist Alice Ball was born in Seattle, Washington, on 24 July 1892. She came from a middle-class African-American family of photographers; her grandfather, James Presley Ball, was one of the first ...