Megawatt structured light arrives with 3,070 optical vortices in one array

Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase ...
NHK

Phased Array Radar Promises Precise Weather Forecasting

In this episode, a faster and more accurate weather radar system provides instantaneous full 3D images of storm cloud activity 10km up into the sky, promising more precise weather forecasting. There's ...
IEEE

Phased Array with Switchable Dual Circular Polarization Based on Subarray for Low-Cost LEO Satellite Communication

Abstract: In this paper, a low-cost K-band phased array antenna is designed for LEO satellite communication. The design reduces the number of T/R components by allowing multiple elements to share a ...
IEEE

Design of Low-RCS Circularly Polarized Phased Array Based on Absorber With Common Aperture

Abstract: In this communication, a novel circularly polarized (CP) phased array design with low radar cross section (RCS) is proposed. On the one hand, a wideband absorber consisting of multiple-layer ...
GitHub

Performance Evaluation of CDL Channel Models in a 5G NR Downlink End-to-End Simulation

End-to-end processing chain: DL-SCH encoding → PDSCH → Precoding → CP-OFDM → CDL/TDL Channel → Receiver (timing sync, demodulation, channel estimation, decoding) with CSI feedback and HARQ ...
GitHub

Electromagnetic Digital Twin: Cross-Patch DOA Antenna Array

This repository implements a full-wave electromagnetic Digital Twin for a planar microstrip antenna array in a cross configuration, specifically designed to rigorously evaluate Direction of Arrival ...