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

Table 3

Source number uncertainty DOA estimation accuracy and Hausdorff distance.

Algorithm	K	Mean	Max	Accuracy (%)
CNN	1	0.40	0.40	100
	2	0.34	4.8	99.84
	3	4.1	9.8	86.32
The proposed method	1	0.40	0.40	100
	2	0.37	5.3	99.80
	3	3.2	4.4	92.85