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

Table 7

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

	Schemes	Mode	Amplitudes				Phases				Error	MSE	Convergence
			Scenario I	PSO	Max	0.9527	2.0834	3.1068	3.7570	0.5419			0.7066	0.6293	0.6691	7.47E − 09	5.07E − 07	63%
Mean	1.5734	2.4055			3.2595	4.2525	0.5284	0.6195	0.6174	0.6864	2.52E − 08
Min	0.7770	1.5646			3.5882	4.6092	0.4723	0.5222	0.6494	0.6917	1.13E − 06
GA-PS	Max	0.3279		2.1876	3.7090	3.7734	0.2699	0.1125	0.2157	0.2064	7.00E − 07	9.10E − 04	12%
	Mean	1.4329		2.0503	2.8081	3.7207	1.0952	1.1734	1.2697	1.2729	4.27E − 04
	Min	0.4281		1.5860	3.6188	4.5455	1.0089	2.1716	1.2924	2.1828	4.31E − 02
GA-Fmincon	Max	1.5488		2.0299	2.9026	3.5184	0.1025	0.2752	0.2085	0.2504	1.90E − 07	1.89E − 03	45%
	Mean	1.0795		2.5464	2.7853	3.5750	1.2735	0.1194	0.1774	1.2605	2.12E − 04
	Min	0.3450		1.8918	3.1111	4.6440	1.1146	1.1143	2.2010	2.2651	1.89E + 0
True value			1	2	3	4	0.5236	0.5760	0.6283	0.6807