Nanowerk

Piezoelectric metamaterial replaces hydrophone arrays for underwater sound source detection

A 3D-printed piezoelectric metamaterial uses topology-driven charge transport to locate underwater sound sources from a single compact transducer, replacing bulky hydrophone arrays.
IEEE

High-Isolation Millimeter-Wave Dual-Polarized Patch Antenna Array Utilizing Hybrid Microstrip Line and Substrate-Integrated-Waveguide Series Feeding for Vehicle Radar Systems

Abstract: This letter presents a millimeter-wave (mmWave) dual-polarized patch antenna array, employing a hybrid series feeding mechanism that combines microstrip line and substrate-integrated ...
IEEE

Millimeter-Wave Phased Array Antenna with High Gain, Low Grating Lobes, and Fewer Phase Shifters via Overlapped Large-Sized Elements

Abstract: This paper presents a millimeter-wave (mmWave) phased array antenna (PAA) design that reduces the required number of phase shifters while achieving high gain and low grating lobes for both ...