Fig 1.
DOA estimation model.
Fig 2.
Flowchart of CSA.
Table 1.
Conditions for simulations.
Table 2.
Estimation accuracy for two sources.
Table 3.
Estimation accuracy for three sources.
Table 4.
Estimation accuracy for four sources.
Fig 3.
Convergence analysis for two sources.
Fig 4.
Convergence analysis for three sources.
Fig 5.
Convergence analysis for four sources.
Fig 6.
Robustness against noise for two sources.
Fig 7.
Robustness against noise for three sources.
Fig 8.
Histogram analysis of two sources for 300 Monte carlo runs.
Fig 9.
Histogram analysis of three sources for 300 Monte carlo runs.
Fig 10.
Histogram analysis of four sources for 300 Monte Carlo runs.
Fig 11.
Empirical cumulative distribution function of RMSE for two sources.
Fig 12.
Empirical cumulative distribution function of RMSE for three sources.
Fig 13.
Empirical cumulative distribution function of RMSE for four sources.
Fig 14.
Variability analysis of RMSE for two sources.
Fig 15.
Variability analysis of RMSE for three sources.
Fig 16.
Variability analysis of RMSE for four sources.
Fig 17.
Probability of resolution for two sources for 4 degrees separation.
Fig 18.
Probability of resolution for two sources for 3 degrees separation.