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

Table 1

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

	Schemes	Mode	Amplitudes		Phases		Error	MSE	Convergence
			Scenario I	PSO	Max	0.9964			2.0095	0.5161	0.5731	4.97E − 10	2.03E − 07	63%
Mean	1.0159	1.9841			0.5314	0.5822	5.79E − 08
Min	0.8660	2.2339			0.5447	0.5893	1.00E − 06
GA-PS	Max	1.0002		2.0008	0.5238	0.5760	3.97E − 09	1.19E − 05	29%
	Mean	1.0012		2.0024	0.5225	0.5764	6.10E − 06
	Min	1.1104		2.0858	0.6752	0.5555	1.42E − 04
GA-Fmincon	Max	1.0070		2.0000	0.5238	0.5760	6.00E − 09	5.77E − 06	40%
	Mean	1.0018		2.0081	0.5149	0.5727	9.06E − 07
	Min	1.0565		2.0419	0.6583	0.5542	9.65E − 05
True value			1.0000	2.0000	0.5236	0.5760