The Hidden Math of Ocean Waves

The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major ...
IEEE

Unequally Spaced Arrays Based on the Poisson Sum Formula

Abstract: It has been recognized that unequally spaced arrays can offer some advantages over equally spaced arrays, mainly in the following areas: 1) thinned array by reducing the number of elements ...
IEEE

A RARE Algorithm for 2D DOA Estimation Based on Nested Array in Massive MIMO System

Abstract: In this paper, a low computational complexity rank reduce (RARE) algorithm based on 2-D nested array is proposed for direction of arrival (DOA) estimation in massive multiple-input ...
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For US students, why is there a steady decline in reading and math?

The Nation's Report Card shows progress in reading and math is still elusive for U.S. students, and the gap keeps growing. Oz: coming spike in ACA premium payments ‘not the big issue’ Trump Says He’s ...