Research Article

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

Table 6

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

SchemesModeAmplitudesPhasesErrorMSEConvergence

Scenario IIIPSOMax1.04132.00003.00351.57721.57722.61482.50E − 093.01E − 0861%
Mean1.17121.89562.82881.37921.57082.04051.37E − 07
Min1.21202.23372.31020.19381.16402.57084.32E − 04
GA-PSMax1.00081.99993.00080.17201.57252.96711.13E − 071.76E − 0420%
Mean1.00161.99653.97860.15821.52732.88615.73E − 05
Min1.29092.27473.42140.26191.59642.57352.00E − 03
GA-FminconMax1.00082.00003.00000.17491.57242.96762.31E − 082.69E − 0554%
Mean1.00731.99992.99990.13681.53472.86443.77E − 06
Min0.93881.89993.02060.24241.53992.55981.35E − 04

True value1.00002.00003.00000.17451.57082.9671