中文版 | English
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来源类型Article
规范类型其他
DOI10.1016/j.envsoft.2004.09.014
On identification of nonobservable contamination inputs.
Kryazhimskiy AV; Maksimov VI
发表日期2005
出处Environmental Modelling & Software
出版年2005
语种英语
摘要The problem considered is that of estimating time-varying pollution inputs to a environmental system when no direct measurements are possible. Assuming that the rate of input of pollutants can be observed indirectly and that its relation to the observations is known, the problem is a model-inversion problem. However, the relation is generally not unique, i.e. more than one set of input behaviour may be consistent with it and the observations. The paper considers two approaches to obtaining information on the input: the reconstructibility approach and the guaranteed interval approach. The reconstructibility approach leads to reliable but restricted information. The result of the reconstructibility approach is an input performance index (a function). The guaranteed interval approach is an extension of the reconstructibility approach and considers unimprovable lower and upper bounds on an input performance index. The paper presents an algorithm for the guaranteed interval approach.
主题Dynamic Systems (DYN)
关键词Variable source contamination Spatial heterogeneity Inverse problem Input estimation
URLhttp://pure.iiasa.ac.at/id/eprint/7507/
来源智库International Institute for Applied Systems Analysis (Austria)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/128466
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GB/T 7714		 Kryazhimskiy AV,Maksimov VI. On identification of nonobservable contamination inputs.. 2005.
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