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 7

Performance of 1-L-type array for 4 sources [15].

Scheme	𝑠1	𝑠2	𝑠3	𝑠4	𝜃1 (rad)	𝜃2 (rad)	𝜃3 (rad)	𝜃4 (rad)	𝜙1 (rad)	𝜙2 (rad)	𝜙3 (rad)	𝜙4 (rad)
Desired	1.0000	2.0000	3.0000	4.0000	0.2618	0.6109	1.0472	1.4835	1.6581	2.1817	2.7925	3.4034
GA	1.0163	2.0163	3.0162	4.0163	0.2781	0.6272	1.0635	1.4998	1.6744	2.1980	2.8088	3.4197
PS	1.0425	2.0425	3.0426	4.0426	0.3043	0.6534	1.0897	1.5260	1.7006	2.2242	2.8350	3.4468
GA-PS	1.0083	2.0083	3.0083	4.0083	0.2701	0.6192	1.0555	1.4918	1.6664	2.1900	2.8008	3.4117
SA	1.1263	2.1263	3.1263	4.1164	0.3881	0.7372	1.1735	1.6098	1.7844	2.3080	2.9188	3.5306
SA-PS	1.0932	2.0932	3.0932	4.0932	0.3550	0.7041	1.1404	1.5767	1.7513	2.2749	2.8857	3.4966