Empty land near Highway 99 and Stockton Boulevard in unincorporated Sacramento County could have 228 new apartments under a ...

Abstract: In this letter, a novel approach to construct virtual array is proposed by exploiting synthetic aperture technology and the concept of difference coarray for sparse arrays. First, we prove ...

Abstract: Air-coupled ultrasonic phased arrays are utilized for many emerging applications and typically consist of bending-plate piezoelectric ultrasonic transducers (PUT). Due to their narrow ...

Greenland may look like a vast, frozen wasteland, but beneath the ice sits one of the most strategically valuable places on Earth. The island holds major reserves of rare earth minerals, uranium, oil, ...