A DOA Estimation Method Based on an Improved Transformer Model for Uniform Linear Arrays with Low SNR

<div>The RMSE of DOA estimation for two off-grid angle sources under different SNRs when the number of snapshots used by different methods is 1,000.</div>

IET Signal Processing

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Figure 7

Figure 7: A DOA Estimation Method Based on an Improved Transformer Model for Uniform Linear Arrays with Low SNR 