声压表与波形电平 dB 校准转换器
历史记录（最近20条）
| 时间 | 声压表dB | 参考电平 | 目标电平 | 推算声压dB | 能量倍数 |
|---|
| 2026-10-04 19:25:21 | | | | 0.00 | 1.0000 |
| 2026-10-04 19:25:20 | | | | 0.00 | 1.0000 |
| 2026-10-04 19:25:20 | | | | 0.00 | 1.0000 |
| 2026-10-04 19:25:20 | | | | 0.00 | 1.0000 |
| 2026-09-30 15:56:56 | | | | 0.00 | 1.0000 |
| 2026-09-30 15:56:55 | | | | 0.00 | 1.0000 |
| 2026-09-28 06:44:07 | | | | 0.00 | 1.0000 |
| 2026-09-28 06:44:04 | | | | 0.00 | 1.0000 |
| 2026-09-28 06:44:03 | | | | 0.00 | 1.0000 |
| 2026-09-28 06:44:03 | | | | 0.00 | 1.0000 |
| 2026-09-23 18:45:39 | | | | 0.00 | 1.0000 |
| 2026-09-22 14:47:14 | | | | 0.00 | 1.0000 |
| 2026-09-14 19:19:25 | | | | 0.00 | 1.0000 |
| 2026-09-14 19:19:24 | | | | 0.00 | 1.0000 |
| 2026-09-14 19:19:24 | | | | 0.00 | 1.0000 |
| 2026-09-11 23:55:11 | | | | 0.00 | 1.0000 |
| 2026-09-07 03:18:48 | | | | 0.00 | 1.0000 |
| 2026-09-07 03:18:48 | | | | 0.00 | 1.0000 |
| 2026-09-07 03:18:47 | | | | 0.00 | 1.0000 |
| 2026-09-07 03:18:47 | | | | 0.00 | 1.0000 |