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

Table 5

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

	Schemes	Mode	Amplitudes			Phases			Error	MSE	Convergence
			Scenario II	PSO	Max	1.0000	2.0000	3.0000			1.0471	1.5708	2.0943	2.47E − 32	2.07E − 30	100%
Mean	1.0000	2.0000			3.0000	1.0472	1.5706	2.0888	5.50E − 31
Min	1.0000	2.0000			3.0000	1.0471	1.5707	2.1887	5.50E − 30
GA-PS	Max	1.0004		2.0009	3.0005	0.7850	1.5708	2.0947	2.12E − 07	7.60E − 02	36%
	Mean	1.0067		2.0094	3.0081	0.7885	1.5711	2.0902	1.11E − 04
	Min	1.0369		2.0172	3.0835	0.7000	1.5737	2.0000	1.55E − 01
GA-Fmincon	Max	1.0007		2.0000	3.0002	0.7851	1.5707	2.0949	3.34E − 08	8.04E − 02	45%
	Mean	1.0059		2.0097	3.0002	0.7802	1.5708	2.0910	1.36E − 05
	Min	1.0492		2.1679	3.0204	0.7737	1.5737	2.0000	1.55E − 01
True value			1.0000	2.0000	3.0000	0.5236	1.0472	2.0944