Therefore, a robust adaptive beamforming method based on the covariance matrix reconstruction with annular uncertainty set (AUS) and vector space projection (VSP) is proposed in this letter.

A four-leg-based fault-tolerant matrix converter topology is proposed, along with switching function and space vector approaches for modulation schemes, to improve the reliability of matrix converter ...

My wife and I have $7,000 a month in pensions and Social Security, plus $140,000 cash. Can we afford to retire? Pentagon halts weapons shipment to Ukraine amid concerns over U.S. stockpile Abby ...