Novel Approach to 2D DOA Estimation for Uniform Circular Arrays Using Convolutional Neural Networks

Table 2

Comparison of methods in processing time.

Methods	Stages	CPU processing times (s)	Total time (s)
2D-MUSIC		154.4472	154.4472
UCA-ESPRIT		0.3861	0.3861
RBF	Preprocessing	0.0155	0.3347
	Network running	0.3186
	Postprocessing	0.0006
Proposed method	Preprocessing	0.0155	0.0509
	Network running	0.0348
	Postprocessing	0.0006