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Wang, F. (author), Tian, Zhi (author), Leus, G.J.T. (author), Fang, Jun (author)In this paper, we study the problem of wideband direction of arrival (DoA) estimation with sparse linear arrays (SLAs), where a number of uncorrelated wideband signals impinge on an SLA and the data is collected from multiple frequency bins. To boost the performance and perform underdetermined DoA estimation, the difference co-array response...journal article 2021