Abstract: The estimation of the amplitude of a sine wave from the sequence of its quantized samples is a typical problem in instrumentation and measurement. A standard approach for its solution makes ...

Opinion Thanks, National Grid, for quick work to get power on during heat wave (Your letters) Published: Jul. 01, 2025, 7:30 a.m.

Poised on a surfboard and dwarfed by a tower of water some 10 times her size, fear is one of the first emotions that big wave surfer Laura Crane feels before she hurtles down a 60-foot behemoth.

A topology family of bidirectional series resonant converter with sine-wave modulation (SWM) is proposed in this article. The single-stage power transmission, zero voltage switching (ZVS) operation, ...

As a persistent “heat dome” fuels extreme temperatures for millions, UVA professor Robert Davis explains what’s typical this time – and what’s not.

5 things to know for June 25: US-Iran, DOGE firings, NYC mayoral election, Homeland Security, Heat wave ...

Duke Energy is asking customers to limit their electricity usage as a heat wave blankets NC. Here are some ways you can conserve energy while keeping cool.

The Tennessee Valley Authority and local utility agencies are asking people to reduce their energy use as the first heat wave of the year settles into the Southeast.