Abstract: The agile Earth observation satellite scheduling problem (AEOSSP) with time-dependent transition time is a combinatorial optimization challenge. Due to its NP-hardness, problem-tailored ...

President Donald Trump’s nascent agreement with Iran is beset by problems right now as many conservatives balk at it, but at the top of the list may be the issue of money flowing to Tehran. In an ...

For new discoveries, everyday mysteries, and the science behind the headlines, follow NPR's ShortWave podcast . Over a century ago, the German psychologist Wolfgang Köhler conducted what became a ...

The series will be released on Audible on Thursday, with all episodes released widely at a later date. By Caitlin Huston Business Writer President Barack Obama is providing commentary for a new ...

Abstract: Coprime arrays are a promising array structure for near-field THz massive MIMO communication. However, they pose a significant challenge for traditional channel estimation methods to acquire ...