Research Article
General Improvements of Heuristic Algorithms for Low Complexity DOA Estimation
Table 2
Comparison of computational complexity of original GA, PSO, and the improved GA and PSO for SML estimation.
| ā | Original PSO | Original GA | Improved PSO | Improved GA |
| Population size | 30 | 30 | 5 | 5 | Average iteration times | 128 | 148 | 22 | 25 | Total calculating time (seconds) | 0.45 | 0.51 | 0.031 | 0.039 |
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