基于正余弦算法的瑞利波频散曲线反演
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付宇, 艾寒冰, 姚振岸, 梅竹虚, 苏可嘉
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Inversion of the Rayleigh wave dispersion curves based on the sine-cosine algorithm
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FU Yu, AI Han-Bing, YAO Zhen-An, MEI Zhu-Xu, SU Ke-Jia
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表4 SCA和PSO反演效果对比
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Table 4 Comparison of the inverted results generated by SCA and PSO
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| 参数 | 真实值 | SCA | PSO | | 反演均值 | 相对误差/% | 标准差 | 反演均值 | 相对误差/% | 标准差 | | vs1/(m·s-1) | 150 | 150.58 | 0.39% | 1.03 | 148.06 | 1.29% | 9.91 | | vs2/(m·s-1) | 250 | 252.30 | 0.92% | 4.25 | 242.06 | 3.18% | 23.34 | | vs3/(m·s-1) | 200 | 199.81 | 0.09% | 3.94 | 176.28 | 11.86% | 37.69 | | vs4/(m·s-1) | 400 | 400.90 | 0.23% | 4.80 | 374.89 | 6.28% | 27.63 | | H1/m | 2 | 2.03 | 1.41% | 0.07 | 1.93 | 3.5% | 0.38 | | H2/m | 4 | 3.93 | 1.78% | 0.14 | 3.72 | 6.86% | 0.97 | | H3/m | 6 | 6.09 | 1.45% | 0.23 | 4.07 | 32.14% | 2.03 |
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