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

Table 4

Optimized results of PSO compared with GA-PS and GA-Fmincon for three targets close to each other.

	Schemes	Mode	Amplitudes			Phases			Error	MSE	Convergence
			Scenario I	PSO	Max	0.3087	1.9286	3.0627			0.5432	0.5422	0.6234	5.22E − 09	7.02E − 06	47%
Mean	1.0506	2.1322			3.0638	0.5530	0.5534	0.6302	5.86E − 07
Min	1.0826	2.1120			3.3621	0.4949	0.6260	0.5989	3.16E − 05
GA-PS	Max	1.0000		2.0001	3.0009	1.5160	0.5774	0.6258	1.49E − 05	2.92E − 03	19%
	Mean	1.0027		2.0414	3.0078	1.5111	1.6138	1.6001	8.36E − 03
	Min	1.0669		1.9398	2.9998	1.5508	1.6429	1.5824	1.41E − 02
GA-Fmincon	Max	1.0004		2.0002	3.0004	0.5157	0.5790	0.6215	3.90E − 07	4.42E − 05	30%
	Mean	1.0008		2.0069	3.0684	1.5150	1.5346	1.6048	4.45E − 05
	Min	1.0475		2.0502	3.0891	1.6227	1.6224	1.5461	1.78E − 03
True value			1.0000	2.0000	3.0000	0.5236	0.5760	0.6283