《表9 故障类型及其指标量的权重系数》

《表9 故障类型及其指标量的权重系数》   提示:宽带有限、当前游客访问压缩模式
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例如指标量X11—X19,基于AHP法的主观权重Ws={0.061 3,0.061 3,0.091 4,0.091 4,0.091 4,0.032 1,0.072 7,0.157 3,0.341 4},基于熵权法的客观权重Wb={0.096 5,0.020 7,0.026 3,0.080 9,0.061 7,0.154 3,0.137 9,0.267 4,0.154 3}。根据式(11)计算得每个指标量的主观相对重要程度系数α1=0.388 5,α2=0.747 4,α3=0.776 5,α4=0.530 4,α5=0.597 1,α6=0.172 2,α7=0.345 3,α8=0.370 4,α9=0.688 7,计算每个量指标的客观相对重要程度系数β1=0.611 5,β2=0.252 6,β3=0.223 5,β4=0.469 6,β5=0.402 9,β6=0.827 8,β7=0.654 7,β8=627 6,β9=0.311 3,最终依据式(12)可计算α=0.512 9,β=0.487 1。通过编程求解得到最优组合权重集A={0.078 4,0.041 5,0.059 7,0.086 3,0.076 9,0.090 6,0.104 5,0.210 9,0.250 3}。其他指标量与故障类型的权重同理可求得,具体数值见表9。