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 8

Performance of 2-L-type array for sources located on reference axis.

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	1.9897	5.0105	0.9897	4.0103	1.6633	1.2321	0.0838	1.0573	0.0192	6.3041	4.6914	1.5900
PS	2.0315	4.9688	0.9687	3.9687	1.7139	1.2485	0.1623	1.0785	0.0314	6.2500	4.7473	1.6090
GA-PS	2.0039	4.9958	1.0044	4.0041	1.6197	1.2259	0.0524	1.0514	0.0105	6.2919	4.7211	1.5830
SA	1.8989	5.1011	1.1010	3.8989	1.3439	1.3231	0.2234	1.1483	0.0489	6.3303	4.7613	1.5237
SA-PS	1.9213	4.9214	1.0783	3.9213	1.7453	1.3001	0.1955	1.1261	0.0401	6.3216	4.7490	1.5341