Abstract: In this letter, we first investigate a shift strategy for enhancing the length of the consecutive segment in the sum and difference co-array (SDCA). Then, a fourth-order sparse antenna array ...
Department of Chemistry, Duke University, Durham, North Carolina 27708, United States Department of Biochemistry, Duke University, Durham, North Carolina 27710, United States Department of Physics, ...
Abstract: This paper introduces a novel widely linear beamforming via interpolated difference-sum co-array (WLB-IDSCA) method in satellite communications. We leverage the augmented covariance matrix ...
An undirected, connected tree with N nodes labelled 0...N-1 and N-1 edges are given. The ith edge connects nodes edges[i][0] and edges[i][1] together. Return a list ans, where ans[i] is the sum of the ...
// Given a 1-indexed array of integers numbers that is already sorted in non-decreasing order, find two numbers such that they add up to a specific target number. Let these two numbers be ...
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