Biological Inspired Stochastic Optimization Technique (PSO) for DOA and Amplitude Estimation of Antenna Arrays Signal Processing in RADAR Communication System

Table 8

Optimized results of PSO compared with GA-PS and GA-Fmincon for four targets far away from each other.

	Schemes	Mode	Amplitudes				Phases				Error	MSE	Convergence
			Scenario II	PSO	Max	1.0546	2.1604	2.9764	4.0004	0.6107			1.0768	1.7402	2.0000	6.65E − 09	2.04E − 07	83%
Mean	1.6566	2.2770			3.1192	4.0002	0.4766	1.4695	1.7458	2.5198	8.89E − 07
Min	1.6566	2.6770			3.4119	3.5499	0.3766	1.7695	1.9182	2.5363	8.89E − 05
GA-PS	Max	1.0006		2.0001	3.0002	4.1193	0.5234	1.0472	1.7458	2.5313	9.49E − 07	1.03E − 03	65%
	Mean	1.0094		2.0069	3.0021	4.5499	0.5244	1.0463	1.7499	2.5821	1.40E − 03
	Min	1.0842		1.9006	3.0841	4.8940	1.9258	1.9132	1.0507	2.0000	3.40E − 01
GA-Fmincon	Max	1.0006		2.0000	3.0000	4.0003	0.5237	1.0471	2.4702	2.8361	2.95E − 08	1.69E − 04	71%
	Mean	1.0007		2.0094	3.0400	4.0008	0.5272	0.0899	2.3195	2.9023	1.20E − 05
	Min	1.0984		2.0834	3.0770	4.1944	0.0000	1.0506	2.3195	3.0023	3.37E − 01
True value			1	2	3	4	0.5236	1.0472	1.5708	2.0944