Off-Grid DOA Estimation Aiding Virtual Extension of Coprime Arrays Exploiting Fourth Order Difference Co-Array With Interpolation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2865419
Abstract: In this paper, a novel array structure exploiting coprime arrays is proposed which can be very proficient to determine the number of consecutive lags in proportion with the number of array elements. The proposed method… read more here.
Keywords: array; order; order difference; difference array ... See more keywords
Fourth-Order Sparse Array Design From a Sum-Difference Co-Array Perspective
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2025.3575079
Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays do not fully utilize the properties of the second-order sum co-array (SCA) that… read more here.
Keywords: difference array; fourth order; array; order ... See more keywords