Abstract: The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. With OFDMA in the downlink and SC-FDMA in the ...

Abstract: “Active flux” is an alternative unitary concept for the control of practically all ac drives. As aligned to rotor d-axis (for synchronous and flux-modulation machines) and to rotor flux axis ...

A thriving manufacturing sector is vital to the nation’s economic health and global security, yet few companies possess the research and development (R&D) capacity essential to staying competitive.

Advanced practice nurses (APNs) can diagnose patients and may prescribe medication. There are four types of APNs: nurse practitioners (NPs), clinical nurse specialists (CNSs), certified nurse-midwives ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Java Object Model API to transform linear objects with tree behavior into actual trees. Handle these objects as if they were nodes of a tree.