MIMO radar DOA estimation method based on sampling data matrix reconstruction
A technology of sampling data and DOA, which is applied in the field of MIMO radar DOA estimation, can solve the problems of missing target data, performance degradation and failure of DOA estimation algorithm, etc., and achieve the effect of improving DOA estimation accuracy, high real-time performance, and low processing complexity
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[0064] The sampling data matrix of the MIMO radar virtual array has not only rank, but also has sparse characteristics. The solution of the present invention is combined with low rank and sparse priority, not only can dig the correlation between the matrix lines or the elements between the matrix, but also Take advantage of the correlation between the inline or alternative elements, which provides a possible lack of deletion elements in the MIMO radar sampling data matrix under the failure of the recovery. By recovering the missing data of the failure cell, the DOA estimation performance of MIMO radar can be improved.
[0065] The technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and specific examples.
[0066] Such as figure 1 As shown, the MIMO radar DOA estimation method based on the sampling data matrix is included, including the following steps:
[0067] Step 1: The emission array and reception...
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