Abstract: Antenna behaviors such as mutual coupling, near-field propagation, and polarization cannot be neglected in signal and channel models for wireless communication. We present an electromagnetic ...
Abstract: This letter introduces Adaptive Nyström Spectral Analysis (ANSA) as a new technique for Direction of Arrival (DOA) estimation in coprime arrays. ANSA exploits Nyström-based root-MUSIC, ...
Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email The Pentagon on Friday released a second ...
A popular UFO-reporting app has been making waves after reportedly recording tens of thousands of mysterious underwater objects up and down the United States’ coastlines, raising eyebrows and leaving ...
Featuring iconic and everyday items, including a Revolutionary War gunboat and a first-generation iPod, “In Pursuit of Life, Liberty & Happiness” is open now at the museum Emily Barske Wood | ...
Almost half the stuff in orbit around Earth can be classified as space junk, and the problem is only going to get worse as launches and orbital infrastructure increase. Using data from the U.S. Space ...
When you're talking about radiation, it's not unreasonable to immediately jump to man-made, weaponized radiation and the horrible effects it can have on human life. However, radiation itself is a ...