Research Article
Phase Error Criterion Based Adaptive Algorithm for Frequency Estimation
Table 1
The computational complexity and computational time.
| Algorithm | Computational complexity | Phase evaluation | Computational time | Multiplication | Addition |
| PEC | 3L | 2L | L | O (6L) | CDFE | 4L | 2L | — | O (6L) | MCPG | 6L | 3L | — | O (9L) | CPG | 7L | 4L | — | O (11L) | Regalia | 10L | 3L | — | O (13L) |
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