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

Table 2

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

	Schemes	Mode	Amplitudes		Phases		Error	MSE	Convergence
			Scenario II	PSO	Max	1.0000			2.0000	1.0472	2.0944	No Error	—	100%
Mean	1.0000	2.0000			1.0472	2.0944	No Error
Min	1.0000	2.0000			1.0472	2.0944	No Error
GA-PS	Max	1.0000		2.0009	1.0471	2.0943	8.39E − 11	4.78E – 02	87%
	Mean	1.0001		2.0017	1.0471	2.0943	5.49E − 06
	Min	1.0999		2.0035	1.3471	2.7943	1.03E − 01
GA-Fmincon	Max	1.0000		2.0009	1.0471	2.0943	2.37E − 12	1.91E − 02	94%
	Mean	1.0000		2.0016	1.0472	2.0943	5.52E − 07
	Min	1.0996		2.0001	1.2472	2.3944	1.33E − 02
True value			1.0000	2.0000	1.0472	2.0944