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 ...

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 ...

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 ...

Graphic design is everywhere. From the logos on your favourite products to the fonts and colours used by your go-to websites, graphic designers shape our visual world. Mastering graphic design unlocks ...