The current network of weather radars in the United States was installed in the late 1980s and into the 1990s. There are nearly 160 weather radars in the network. The radars are the NEXRAD WSR-88D ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Doppler radar is an important tool ...

Echodyne has developed a family of palm-sized metamaterial electronically-scanning array (MESA) radars for missions such as counter-unmanned aerial system (C-UAS), special event security, and UAS ...

Austenitic welds and welds that contain heterogenous weld materials are increasingly used in various industries. These welds can be used to manufacture components with enhanced or custom-engineered ...

What are optical phased arrays? Optical phased arrays (OPAs) are devices that manipulate the cross-sectional shape and direction of optical beams in accordance with the principles of optical ...

Although basic analog ultrasound imaging began about 50 years ago, today’s machines are largely digital and provide many more options as well as images with much greater detail and color. Most modern ...

Most automated quality inspection technologies involve machine vision systems and, increasingly, aspects of artificial intelligence-powered software to speed the identification of part defects. But ...

In a recently published study in the journal EPSL neuroelectronics, researchers from The Pennsylvania State University and Washington University in St. Louis have introduced a modular 16-channel ...

A 4-element Vivaldi subarray PCB tile is designed for 6 GHz to 18 GHz 1-D phased array scanning. Grating lobe suppression techniques and defected ground structures are used to extend the capable ...