Abstract: In this work, we investigate the performance of geometric constellation shaping for highorder coded quadrature amplitude modulation (QAM) over an additive white Gaussian noise (AWGN) channel ...

Abstract: In nonlinear contrast-enhanced ultrasound (CEUS) imaging, nanobubbles (NBs) offer a promising alternative for enhanced visualization of microvascular structures and molecular imaging. This ...

FCFE shows a company's money left after paying bills, essential for assessing financial health. To calculate FCFE: net income + depreciation - capex - working capital + net debt. Positive FCFE ...

Velocity of money measures economic health by tracking how often money changes hands. Factors like consumer savings behavior and technological advances affect money's velocity. For investors, ...

The design strategy for terahertz metasurfaces capable of achieving spin-selective functionality through complex-amplitude modulation is systematically categorized into four distinct parametric ...

Purchasing power refers to the amount of goods and services a person or entity can buy with a given amount of money. It fluctuates over time due to inflation, deflation and changes in income, directly ...

Emerging, data-intensive technologies like artificial intelligence and machine learning are gaining popularity. Data centers, which act as the essential infrastructure for these technologies, need to ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Dr. Melody Bell is a personal finance expert, entrepreneur, educator, and researcher. Melody ...

Brad Pitt hits the track in the first poster for his upcoming Formula 1 movie. Apple, the studio behind the wheel of the film from Joseph Kosinski, also confirmed the title: F1, in theaters June 27, ...

Benjamin is a business consultant, coach, designer, musician, artist, and writer, living in the remote mountains of Vermont. He has 20+ years experience in tech, an educational background in the arts, ...

Numerous commentators—especially those defending President Biden’s economic record—have puzzled over why Americans are sour about the state of the U.S. economy. Unemployment rates have returned to pre ...