Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

In this paper, we propose a novel two-dimensional direction of arrival estimation technique for sparse arrays. To this end, we estimate the 2D difference coarray corresponding to the radar’s sparse ...

In this letter, a near-field focused array antenna is applied to two-dimensional microwave imaging, which steers its focus on the designed focal plane by changing the operating frequency and by phase ...