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  • 标题:A logical device for processing nautical data
  • 本地全文:下载
  • 作者:Włodzimierz Filipowicz
  • 期刊名称:Scientific Journals of the Maritime University of Szczecin
  • 印刷版ISSN:1733-8670
  • 电子版ISSN:2392-0378
  • 出版年度:2017
  • 卷号:52
  • 页码:65-73
  • DOI:10.17402/246
  • 语种:English
  • 出版社:MUS
  • 摘要:Nautical measurements are randomly and systematically corrupted.There is a rich scope of knowledge regarding the randomness shown by results of observations.The distribution of stochastic distortions remains an estimate and is imprecise with respect to their parameters.Uncertainties can also occur through the subjective assessment of each piece of available data.The ability to model and process all of the aforementioned items through traditional approaches is rather limited.Moreover,the results of observations,the final outcome of a quality evaluation,can be estimated prior to measurements being taken.This a posteriori analysis is impaired and it is outside the scope of traditional,inaccurate data handling methods.To propose new solutions,one should start with an alternative approach towards modelling doubtfulness.The following article focusses on belief assignments that may benefit from the inclusion of uncertainty.It starts with a basic interval uncertainty model.Then,assignments engaging fuzzy locations around nautical indications are discussed.This fragment includes transformation from density functions to probability distributions of random errors.Diagrams of the obtained conversions are included.The presentation concludes with a short description of a computer application that implements the presented ideas.
  • 其他摘要:The article considers the application of cartographic method of plasity of relief for planning and management of the ecological farms.Research carried out on the lands of particular ecological settlement "Slavnoe" the Tula region.The result of the research was a series of environmental maps,recommending the most rational distribution of residential and water management facilities in the area..
  • 关键词:probability density;probability distributions;nautical evidence;uncertainty model;nautical propositions;simple belief structure
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