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Journal of Tropical Meteorology 2012年第3期18卷 322-331页

作者：钟元潘劲松朱红陈卫锋陈世春梁明珠 Zhejiang Meteorological Research Institute Zhejiang Meteorological Observatory Huzhou Meteorological bureau

A quantitative scheme is put forward in our work of forecasting the storm rainfall of typhoons for specific *** the initial parameters,weather situations and physical quantities as well as numerical weather prediction products,the scheme constructs multivariate,objective and similarity criteria for environmental factors for the time between the current and forthcoming moment within the domain of *** defining a non-linear similarity index,this work presents a comprehensive assessment of the similarity between historical samples of typhoons and those being forecast in terms of continuous dynamic states under the multivariate criteria in order to identify similar *** historical rainfall records of the similar samples are used to run weighted summarization of the similarity index to determine site-specific and quantitative forecasts of future typhoon *** resembling the typhoon being forecast are selected by defining a non-linear similarity index composed of multiple *** tests have demonstrated that this scheme has positive prediction skill.

关键词： weather forecast forecasting methods typhoon storm precipitation site-specific and quantitative forecast similarity

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The Forecast Research of Enterprise Logistics Cost Based on Neural Network Analysis

The Forecast Research of Enterprise Logistics Cost Based on ...

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工程和商业管理国际学术会议

作者： Hong Yun Yan Zhang School of Economics and Management of Chang’an University Xi’an China 710064

In the process of economic transformation, the enterprise logistics cost has been becoming more and more important factors to constraint social and economic benefits, highlighting the short-board effect. In recent years, the situation that logistics costs in our society have been high proportion of GDP shows that China’s logistics costs are high. Logistics cost forecast is an important part of cost control and effective logistics forecasting method is a prerequisite of cost control. Based on the careful analysis of business cost environment, the method can provide a decision support forecasting for the logistics industry, and further to control the cost of logistics enterprises.

关键词： logistics cost forecasting methods artificial neural network

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