Open Access
表6
声源级曲线拟合参数与实测值对比
| 添加匹配层1-1-3型 | 1-1-3型 | 实测差值 | |||||||||
| 电压/V | 实测值/dB | 拟合值/dB | 相对偏差 | 线性度/% | 电压/V | 实测值/dB | 拟合值/dB | 相对偏差 | 线性度/% | ||
| 88 | 192.0 | 192.0 | 0 | 0 | 80 | 187.3 | 187.30 | 0 | 0 | 4.7 | |
| 177 | 197.2 | 197.20 | 0 | 0 | 160 | 191.9 | 191.90 | 0 | 0 | 5.3 | |
| 263 | 199.8 | 202.15 | 2.35 | 1.16 | 250 | 194.5 | 197.07 | 2.57 | 1.30 | 5.3 | |
| 348 | 201.6 | 207.12 | 5.52 | 2.66 | 325 | 196.1 | 201.38 | 5.28 | 2.62 | 5.5 | |
| 441 | 203.2 | 212.55 | 9.35 | 4.40 | 440 | 197.5 | 208.00 | 10.50 | 5.04 | 5.7 | |
| 535 | 204.3 | 218.04 | 13.74 | 6.30 | 525 | 198.5 | 212.88 | 14.38 | 6.75 | 5.8 | |
| 610 | 205.3 | 222.42 | 17.12 | 7.69 | 610 | 199.3 | 217.77 | 18.47 | 8.48 | 6.0 | |
| 700 | 205.9 | 227.68 | 21.78 | 9.56 | 700 | 200.1 | 222.95 | 22.85 | 10.24 | 5.8 | |
| 788 | 206.8 | 232.81 | 26.01 | 11.17 | 780 | 200.8 | 227.55 | 26.75 | 11.75 | 6.0 | |
| 870 | 208.0 | 237.61 | 29.60 | 12.46 | 870 | 201.3 | 232.72 | 31.42 | 13.50 | 6.7 | |
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