HIGH RESOLUTION DIRECTION OF ARRIVAL (DOA) ESTIMATION BASED ON IMPROVED ORTHOGONAL MATCHING PURSUIT (OMP) ALGORITHM BY ITERATIVE LOCAL SEARCHING

High Resolution Direction of Arrival (DOA) Estimation Based on Improved Orthogonal Matching Pursuit (OMP) Algorithm by Iterative Local Searching

DOA (Direction of Arrival) estimation is a major problem in array signal processing applications.Recently, compressive sensing algorithms, including convex relaxation algorithms and greedy algorithms, have been recognized as a kind of novel DOA estimation algorithm.However, the success of these algorithms is limited by the RIP (Restricted Isometry

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