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随机搜索算法在确定河流水质参数中的应用
Authors
周宏飞
李彦
王洪胜
郭建青
Publication date
20 October 2010
Publisher
Abstract
将两种随机搜索算法应用于识别瞬时投放示踪剂、一维流动的条件下的河流水质数学模型参数。分别编写了原始随机搜索和受控随机搜索两种算法的运算程序,采用不同待估水质参数的初始输入值进行了数值实验。结果表明:①两种搜索方式均可成功地应用于河流水质数学模型的参数识别问题;②待估参数的初始值输入范围对算法的收敛性几乎没有影响;③控制搜索方向对随机搜索速度有一定的改进,但改进作用并不明显。与其它算法相比,随机搜索算法具有原理非常简单、易于编程运算、搜索速度和搜索结果与参数初始输入值范围基本无关且基本不需要预先给定算法控制参数等优点
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016