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 application principle
 The application principle of wavelet entropy measure in ElectroEncephaloGraphy (EEG) signal analysis, mechanical fault diagnosis, fault detection and classification in power system are analyzed.
 This paper mainly deals with the key factor affecting sample sizes in sample design——prior Estimation Method of overall standard deviation,such as “pilot survey”,“history optimization”,“structure forecast”and “extremum method”.And this paper analyses in detail the application principles and methods of these four methods,and a theoretical basis of overall variance prior estimation is provided for sampling workers. 主要讨论了在抽样设计中影响样本容量的重要因子———总体标准差的预先估计法 :“试点调查法”、“历史优选法”、“结构预测法”和“极值法” ,并详细阐述了这四种方法的应用原理和应用方法 ,为抽样实际工作者提供了几个总体方差预先估计的理论依据 This article analyses briefly theory to Hierarchical Linear models genesis, range of application, and their application principle. 本文对多层线性模型 (HierarchicalLinearModels ,HLM)的理论缘起、应用范围以及其应用原理进行了阐述 ,在指出经典统计技术处理多层数据结构上的局限的同时 ,表明了多层线性模型在这方面的优越性。本文最后对多层线性模型的效果及局限性进行了简要分析。 Based on the comparison of fixing discount factor method with the parameter e-valuation method, the heterogeneity function method is presented to determine the discount factor. The real database is used to test the discount factor determined by the heterogeneity function method in the adaptation to the consumers' behavior model, which is proven to be superior to the two previous methods. Also, this paper discusses the application principles of the three methods. In addition, the main variables should be... Based on the comparison of fixing discount factor method with the parameter e-valuation method, the heterogeneity function method is presented to determine the discount factor. The real database is used to test the discount factor determined by the heterogeneity function method in the adaptation to the consumers' behavior model, which is proven to be superior to the two previous methods. Also, this paper discusses the application principles of the three methods. In addition, the main variables should be taken into account for developing the consumers' behavior model in considering the consumers' heterogeneity. 在比较固定贴现因子法及参数评估法的基础上,提出了用异质偏好函数法来确定贴现因子,并用实际的数据库验证了异质偏好函数法确定贴现因子在消费者行为模型的适应性方面比前两种方法优越,还讨论了三种方法的使用原则。另外,还提出了在考虑客户偏好异质性时,消费者行为建模所应考虑的主要变量。 << 更多相关文摘
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