Swarms of pico-satellites could work together as a single large antenna for direct-to-smartphone communications, as reported ...

Antenna designs can reach daunting levels of complexity, and nowhere is that truer than in advanced 5G and 6G systems. One of the most difficult problems in this design space is signal degradation ...

In the medical applications of ultrasonic imaging, sound waves of high frequency are usually employed to produce in-depth cross-sectional images of internal organs. Special multi-element transducers ...