CNBC

Here are 6 of the safest ways to pay online and in-person

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...
NPR

Sources & Methods

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...
Investopedia

Understanding the Declining Balance Method: Formula and Benefits

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 ...
Investopedia

Inventory Management: Definition, How It Works, Methods, and Examples

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 ...
IEEE

Mechanism and Methods for Fault Recovery of Grid-Forming Inverter by Graphical Illustration

Abstract: The existing priority-based current limiting control (CLC) for grid-forming (GFM) inverters may lead to failures in fault recovery, including being locked in CLC and mode oscillation between ...
IEEE

Robust Adaptive Beamforming Method Based on Steering Vector Correction and Diagonal Loading

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 ...