Aliens From the Fourth Dimension May Be Invading Our World—And We Don’t Even Know It

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.
IEEE

A Unified Two-Dimensional Direction Finding Approach for Sensor Arrays Based on Deep Neural Networks With Inhomogeneous Angle and Frequency Partition

Abstract: This paper develops a deep neural networks (DNNs) based direction finding approach for 2-D direction finding in multiple frequencies. The approach is frequency-unified and is capable of ...
IEEE

Two-Dimensional DOA Estimation by Using Two Parallel Coprime-Nested Arrays

Abstract: In this paper, we address the problem of two-dimensional (2-D) direction-of-arrival (DOA) estimation for two parallel coprime-nested arrays (TPCNAs), which can be divided into two parallel ...
Morning Overview on MSN

Graphene 'artificial skin' gives robots an insanely human-like touch

A wave of recent research has brought robotic touch sensitivity closer to human fingertips than ever before, driven by ...