istockphoto

Time Lapse stock videos, footage & clips

Time lapse Low angle of tall corporate buildings skyscraper in Hong Kong Time lapse Low angle of tall corporate buildings skyscraper in Hong Kong Low angle of tall corporate buildings skyscraper in ...
IEEE

Intelligent Reflecting Surface-Aided Wireless Communications: A Tutorial

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...
IEEE

Tutorial on Empirical Mode Decomposition: Basis Decomposition and Frequency Adaptive Graduation in Non-Stationary Time Series

Abstract: This tutorial explores the class of non-parametric time series basis decomposition methods particularly suited for nonstationary time series known as Empirical Mode Decomposition (EMD). In ...
istockphoto

Time Lapse Sun Moon stock videos and footage

Beginning with a spinning earth in space, then zooming out to reveal the moon, the sun, and then the entire spinning Milky Way galaxy. Sunset, stars, sunrise over the Henry Mountains A time lapse of a ...