基于FFT和三次Hermite插值的人体触电判据初探*
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王欣阳, 魏云冰, 徐浩
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Preliminary Study on the Human Body Electric Shock Criterion Based on FFT and Cubic Hermite Interpolation
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WANG Xinyang, WEI Yunbing, XU Hao
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表2 干燥、半湿润以及湿润情况下斜率
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| 限制电流/mA | 触电面积/cm2 | 干燥情况 | 半湿润情况 | 湿润情况 | | 斜率1 | 斜率2 | 斜率1 | 斜率2 | 斜率1 | 斜率2 | | 30 | 0.5 | 0.359 6 | 0.251 6 | 0.201 0 | 0.242 5 | 1.057 2 | 0.107 8 | | 100 | 0.5 | 0.822 4 | 0.066 5 | 1.348 3 | 1.183 2 | 2.293 1 | 1.150 0 | | 300 | 0.5 | 2.719 1 | 3.024 2 | 7.879 3 | 2.576 9 | 4.399 4 | 4.400 8 | | 500 | 0.5 | 4.227 9 | 4.859 3 | 13.647 5 | 3.510 7 | 7.407 5 | 3.521 4 | | 30 | 5 | 0.451 3 | 0.113 2 | 0.134 9 | 0.052 3 | 0.748 7 | 0.056 0 | | 100 | 5 | 2.705 3 | 2.075 6 | 0.949 1 | 0.566 9 | 1.424 0 | 0.303 1 | | 300 | 5 | 2.297 6 | 2.096 4 | 2.485 9 | 0.924 1 | 2.666 2 | 0.811 4 | | 500 | 5 | 5.655 8 | 1.561 7 | 9.334 0 | 3.501 8 | 10.530 0 | 0.994 8 | | 30 | 10 | 0.650 2 | 0.328 1 | 0.650 2 | 0.075 1 | 0.748 7 | 0.013 2 | | 100 | 10 | 3.103 5 | 1.653 2 | 1.575 0 | 0.538 1 | 2.313 9 | 0.227 3 | | 300 | 10 | 7.746 3 | 2.126 5 | 8.286 2 | 6.976 5 | 11.152 0 | 6.153 8 | | 500 | 10 | 7.087 8 | 5.018 6 | 9.457 8 | 4.604 1 | 16.395 0 | 4.920 2 |
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