Abstract: Terahertz (THz) wideband ultra-massive multiple-input multiple-output (UM-MIMO) systems are critical for the upcoming 6G. The far- and near-field regions always coexist as the hybrid-field ...
Abstract: For multichannel airborne radars, wide-area ground-moving target indication (WGMTI) processing can quickly obtain the dynamic distribution of moving targets in a wide area, which holds ...
# Return the length of the shortest, non-empty, # contiguous subarray of A with sum at least K. # If there is no non-empty subarray with sum at least K, return -1.
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