三水源新安江模型参数不确定性分析PAM算法
针对水文模型参数不确定性分析常用方法收敛速度缓慢,容易陷入参数空间局部最优区域等问题,提出了PAM(parallel adaptive metropolis)算法;对三水源新安江模型参数不确定性进行分析研究。实例研究表明显著提高了计算速度和求解质量,参数后验分布结果为区间预报提供了条件。...
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Published in | 中国工程科学 Vol. 9; no. 9; pp. 47 - 51 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
中国工程院战略咨询中心
01.09.2007
高等教育出版社有限公司 大连理工大学土木水利学院,辽宁,大连,116024 |
Subjects | |
Online Access | Get full text |
ISSN | 1009-1742 |
DOI | 10.3969/j.issn.1009-1742.2007.09.006 |
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Abstract | 针对水文模型参数不确定性分析常用方法收敛速度缓慢,容易陷入参数空间局部最优区域等问题,提出了PAM(parallel adaptive metropolis)算法;对三水源新安江模型参数不确定性进行分析研究。实例研究表明显著提高了计算速度和求解质量,参数后验分布结果为区间预报提供了条件。 |
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AbstractList | TV123; 针对水文模型参数不确定性分析常用方法收敛速度缓慢,容易陷入参数空间局部最优区域等问题,提出了PAM(parallel adaptive metropolis)算法;对三水源新安江模型参数不确定性进行分析研究.实例研究表明显著提高了计算速度和求解质量,参数后验分布结果为区间预报提供了条件. 针对水文模型参数不确定性分析常用方法收敛速度缓慢,容易陷入参数空间局部最优区域等问题,提出了PAM(parallel adaptive metropolis)算法;对三水源新安江模型参数不确定性进行分析研究。实例研究表明显著提高了计算速度和求解质量,参数后验分布结果为区间预报提供了条件。 |
Author | 程春田 李向阳 |
AuthorAffiliation | 大连理工大学土木水利学院,辽宁,大连,116024 |
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Author_FL | Li Xiangyang Cheng Chuntian |
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DocumentTitle_FL | A Parallel Adaptive Metropolis Algorithm for Uncertainty Assessment of Xinanjiang Model Parameters |
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