IEEE

Optimal Second-Order Sidelobes Suppression for Dual-Polarized Waveguide Slot Phased Array Antenna Using Array Coding

Abstract: In this communication, we propose a low-sidelobe dual-polarized waveguide slot phased array antenna, operating in the X-band, based on array coding techniques. The horizontal polarization ...
C&EN

A 2D Double Perovskite Based on the Chiral Cystaminium Cation Exhibiting Multiple Switches in Quadratic Nonlinear Optical Response

MOLTECH-Anjou, UMR-CNRS 6200, Université d’Angers, 2 Bd Lavoisier, Angers 49045, France ...
Gizmodo

SpaceX’s Secret ‘Starshield’ Satellites Caught Using Unauthorized Frequencies

SpaceX may be guilty of violating regulatory standards by using a classified network of satellites to transmit data to Earth on radio frequencies reserved for uplinking signals, according to a citizen ...
C&EN

First-Principles Prediction of Two-Dimensional Be Allotropes and Alkaline-Earth Analogues (Mg, Ca, Sr, and Ba): from Hexagonal 2D Beryllenes to IIA Xenes

Institute of Semiconductors, Henan Academy of Sciences, Zhengzhou 450000, China Applied Quantum Chemistry Group, E4, IC2MP, UMR 7285, Poitiers University, CNRS, 4 Rue Michel Brunet TSA 51106, 86073 ...
IEEE

Co-Prime Array Interpolation for DOA Estimation Using Deep Matrix Iterative Network

Abstract: Co-prime arrays achieve a significant number of virtual arrays in the same physical sensors by different co-arrays. There are, however, many existing methods that do not utilize all the ...