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 4

Estimation accuracy of 2-L-type array for 3 sources.

Scheme	𝑠1	𝑠2	𝑠3	𝜃1 (rad)	𝜃2 (rad)	𝜃3 (rad)	𝜙1 (rad)	𝜙2 (rad)	𝜙3 (rad)
Desired values	1.0000	2.0000	3.0000	0.1745	0.8727	1.3090	0.5236	1.9199	2.4435
GA	1.0043	2.0043	3.0042	0.1788	0.8769	1.3132	0.5278	1.9243	2.4478
PS	1.0189	2.0190	3.0189	0.1934	0.9005	0.8917	0.5427	1.9389	2.4624
SA	1.0509	2.0508	3.0509	0.2254	0.9237	1.3598	0.5744	1.9708	2.4944
SA-PS	1.0342	2.0342	3.0343	0.2087	0.9069	1.3432	0.5581	1.9541	2.4778
GA-PS	1.0003	2.0004	3.0003	0.1748	0.8730	1.3094	0.5240	1.9202	2.4439