A Novel ULA-Difference-Coarray-Based DOA Estimation Method for General Coherent Signals

Table 1

CPU running time of each algorithm.

DOA method	RT (s)^1		RT (s)^2
	L = 20	L = 500	L = 20	L = 500
MUSIC	0.004	0.006	—	—
FBSS-MUSIC	0.007	0.008	0.007	0.008
UDC-MUSIC	0.010	0.012	0.010	0.012
UDC-ES-DOA	0.012	0.013	0.012	0.013
l1-SVD	—	—	3.30	3.91

¹CPU running time in the uncorrelated case; ²CPU running time in the coherent signal source case.