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

Table 3

Optimized results of PSO compared with GA-PS and GA-Fmincon for two targets close to the surface of earth.

	Schemes	Mode	Amplitudes		Phases		Error	MSE	Convergence
			Scenario III	PSO	Max	1.0007			1.9793	0.1294	2.5791	3.81E − 09	5.37E − 08	91%
Mean	1.0159	1.8841			0.3922	2.5414	5.79E − 08
Min	0.8961	2.1339			0.4993	2.5447	1.00E − 07
GA-PS	Max	1.0001		2.0009	0.1744	2.6159	9.04E − 08	8.30E − 06	74%
	Mean	1.0035		2.0060	0.1190	2.5739	5.42E − 07
	Min	1.1345		2.0635	0.4298	0.5636	6.47E − 04
GA-Fmincon	Max	1.0001		2.0006	0.1745	2.6159	6.05E − 08	7.75E − 06	85%
	Mean	1.0029		2.0066	0.1762	2.5731	7.55E − 07
	Min	0.9951		2.0146	0.4516	2.5647	3.92E − 04
True value			1.0000	2.00000	0.1745	2.9671