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- W2361591569 abstract "In order to improve the accuracy of DOA estimation in a poor environment with low SNR and a limited number of snapshots,a new two-dimensional DOA estimation algorithm using a modified propagator method based on two parallel uniform linear arrays was proposed.In this method,two-dimensional spectral peak searching was avoided just as with the ESPRIT algorithm;Eigen-decomposition of a large matrix was replaced by a linear operator;parameter matching was automatically achieved by a simple division operation.The computational complexity was greatly reduced.The conjugate data was rearranged and re-used in the new covariance matrix,so that the performance of DOA estimation was obviously improved in the condition of low SNR and a limited number of snapshots.The rationality of introducing the conjugate data rearrangement into 2-D propagator method was demonstrated in theory.Simulation results show the superiority of this proposed method in precision and computation." @default.
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- W2361591569 date "2011-01-01" @default.
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- W2361591569 title "An improved propagator method for two-dimensional DOA estimation" @default.
- W2361591569 hasPublicationYear "2011" @default.
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