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 13

Comparison among 2-L-shape aray, 1-L-shape array [15] and parallel-shape array [8].

Property	Parallel-shape array [8]	1-L-shape array [15]	2-L-shape array
Scheme used	PM	GA-PS	GA-PS
Elevation and azimuth angles range	(0, 𝜋/2), (0, 2𝜋)	(0, 𝜋/2), (0, 2𝜋)	(0, 𝜋), (0, 2𝜋)
Number of estimated sources	2	2	2
Number of sensors required	33	7	4
Number of Snapshots required	𝑀 * 𝑇	1	1
Pair matching	Required	Not required	Not required
Failure estimation	1.2217 (rad) to 1.5708 (rad)	No failure	No failure