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 ...

Abstract: The parameter design of the current inner-loop proportional-integral (PI) controller is difficult to take into account the stability margin and control performance of the grid-forming static ...

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Abstract: In this paper, we propose a novel off-grid direction-of-arrival (DOA) estimation method in large-scale semi-passive reconfigurable intelligent surface (RIS) environments, utilizing quadratic ...

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 ...

Introduction The use of digitally enabled technology is considered a promising platform to prevent morbidity and enhance youth mental health as youth are growing up in the digital world and accessing ...