| Number of Groups | The first partitioning method false alarm rate | The second partition method false alarm rate | The third partition method false alarm rate | DS evidence theory fuses false alarm rate |
| 1 | 4.87% | 5.04% | 5.03% | 1.80% |
| 2 | 4.93% | 4.98% | 5.04% | 1.67% |
| 3 | 5.12% | 4.89% | 4.97% | 1.76% |
| 4 | 4.96% | 5.18% | 5.12% | 1.83% |
| 5 | 4.85% | 4.94% | 4.97% | 1.64% |
| 6 | 5.03% | 4.82% | 4.87% | 1.74% |
| 7 | 5.09% | 5.02% | 5.00% | 1.77% |
| 8 | 4.83% | 5.03% | 5.05% | 1.85% |