A-Search-free-DOA-Estimation-Algorithm-for-Coprim

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上传日期:2015-08-02 16:29:24
上 传 者rouakgb241
说明:   In this paper, a fast search-free method for direction-of-arrival (DOA) estimation with coprime arrays was proposed. It is based on the use of methods that operate on the uniform linear subarrays of the coprime array and that enjoy many processing advantages. We rst estimate the DOAs for each uniform linear subarray separately and then combine the estimates the subarrays. For combining the estimates, we propose a method that projects the estimated point in the two-dimensional plane onto one-dimensional line segments that correspond to the entire angular domain. By doing so, we avoid the search step and consequently, we greatly reduce the computational complexity of the method. We demonstrate the performance of the method with computer simulations and compare it with that of the FD-root MUSIC method.

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