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Relative error norm of intensity of acoustic beam shapes before and after equalization
| Topological charge (M) | Before equalization | Element-by element equalization | Holography equalization |
|---|---|---|---|
| 0 | 10.1% | 15.3% | 9.0% |
| 1 | 10.8% | 9.1% | 5.3% |
| 4 | 13.3% | 7.8% | 7.4% |
