表 2. Running time, SNR and CNR of three algorithms.
三种算法运行时间、SNR和CNR
| 方法 | 多项式回归壁滤波器 | Full-SVD | RS-RSVD（4次） |
| 执行时间/s | 0.34 ± 0.20 | 48.50 ± 2.00 | 19.03 ± 2.00 |
| SNR/dB | Null | 13.96 ± 1.00 | 12.17 ± 1.00 |
| CNR/dB | Null | 12.13 ± 1.00 | 7.96 ± 2.00 |
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