An Application of Artificial Intelligence for the Joint Estimation of Amplitude and Two-Dimensional Direction of Arrival of Far Field Sources Using 2-L-Shape Array

Table 9

Performance of 1-L-type array for sources located on reference axis [15].

Scheme	𝑠1	𝑠2	𝑠3	𝑠4	𝜃1 (rad)	𝜃2 (rad)	𝜃3 (rad)	𝜃4 (rad)	𝜙1 (rad)	𝜙2 (rad)	𝜙3 (rad)	𝜙4 (rad)
Desired	2.0000	5.0000	1.0000	4.0000	1.5702	1.2217	0.0000	1.0472	0.0000	6.2832	4.7124	1.5702
GA	2.0163	4.9837	1.0162	3.9837	1.7069	1.2381	0.1396	1.0635	0.0357	6.3190	4.7483	1.6059
PS	2.0425	4.9575	1.0426	4.0426	1.7698	1.2643	0.1991	1.0897	0.0598	6.3430	4.7721	1.6299
GA-PS	1.9917	5.0083	1.0083	4.0083	1.4661	1.2300	0.1065	1.0555	0.0375	6.2798	4.7301	1.5910
SA	2.1263	5.1263	0.8737	3.8836	1.8500	1.3480	0.2741	1.1735	0.0792	6.3467	4.7741	1.5067
SA-PS	1.9068	5.0932	0.9068	4.0932	1.3334	1.3150	0.2287	1.1405	0.0668	6.3328	4.7563	1.265