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author:

杨海东 (杨海东.) [1] (Scholars:杨海东) | 刘碧玉 (刘碧玉.) [2] (Scholars:刘碧玉)

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PKU CSCD CSSCI

Abstract:

参数的精确性是准确构建突发水污染事件水质预测模型的前提与保障.论文首先根据有限差分法和贝叶斯推理构建水质预测模型参数估计模型,然后通过Metropolis-Hasting抽样方法得到较为合理的参数,最后以发生在某段明渠的突发水污染事件为例,讨论了恒定流与非恒定流两种情景下不同观测噪声对参数估计结果的影响,并与采用有限差分-单纯形法得到的结果进行对比.结果 表明:有限差分-贝叶斯方法具有较强的适用性和良好的抗噪声能力,采用该方法能获得较高精度的参数值.该研究为突发污染事件预测模型的构建提供一条新途径.

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  • [ 1 ] [杨海东]福州大学
  • [ 2 ] [刘碧玉]福州大学

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Source :

运筹与管理

ISSN: 1007-3221

CN: 34-1133/G3

Year: 2021

Issue: 8

Volume: 30

Page: 127-132

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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