Electronic Design

How To Control Brushless Motors (Part 2): Position-Control Loops

While current control and PWM switching play the most direct role in driving brushless DC motors, the motion profile and ...
Nature

Ultrashort pulse characterization

Pulse measurement equipment is now easier to use than ever before, with many devices offering easy-to-align solutions and plug-and-play computer operation, reports Neil Savage. Ultrafast lasers, which ...
Palo Alto Weekly

Atherton loses title as nation’s priciest ZIP code after 8-year run

Daylight shines on a tree-lined street in Atherton. Courtesy Getty Images. After eight straight years reigning as the country’s most-expensive ZIP code, Atherton’s 94027 has finally slipped to second ...
IEEE

An Experimental Validation of Reconfigurable Intelligent Surfaces Achieving Pulse-Width-Modulated Singular Reflection Angles Without External Power Sources

Abstract: In this study, we introduce a design concept that leverages pulse width variation to enable a reconfigurable intelligent surface (RIS) and to autonomously switch reflection properties ...
IEEE

Multilevel Bipolar Pulse-Position Modulation With Level Trimming for Graphene-Based Terahertz Links in Wireless Network-on-Chips

Abstract: This article presents the modeling of an inter-chip wireless communication channel operating in the terahertz (THz) frequency band and proposes a novel modulation scheme for ultra-high-speed ...
GitHub

Implementation of QPSK (Quadrature Phase Shift Keying) Modulation & Demodulation — includes MATLAB simulation, Multisim circuit design, and hardware implementation

This project presents a complete end-to-end implementation of Quadrature Phase Shift Keying (QPSK) — a digital modulation technique used in real-world communication systems such as satellite, Wi-Fi, ...