The hospital-at-home (H@H) model — where patients receive acute level care in their homes, rather than in a hospital — has emerged as an innovative and promising approach to provide high quality care ...

Abstract: The phased array with wide scanning range is significant to increase signal coverage for millimeter-wave communication. In this letter, a millimeter-wave wide-angle beam-scanning phased ...

Abstract: To solve the contradiction between the direction of arrival (DOA) estimation accuracy in the lower frequency band and phase ambiguity in the higher frequency band for an ultra-wideband ...

You are given an array that consists of nnn integers. The array elements are indexed 1,2,…,n1,2,\dots,n1,2,…,n. You can modify the array using the following operation: choose an array element and ...