浙江沿海明清卫所驻地方言的声母比较

卫所制度是明清时期重要的军政制度。以浙江沿海明清卫所驻地方言为考察对象，从北到南选取了最有代表性的16个方言点，通过共时和历时的比较，分析和总结浙江沿海明清卫所驻地方言声母在数量和古今分合上的特点。     

Inference and optimal design of multiple constant-stress testing for generalized half-normal distribution under type-II progressive censoring

The generalized half-normal (GHN) distribution and progressive type-II censoring are considered in this article for studying some statistical inferences of constant-stress accelerated life testing. The EM algorithm is considered to calculate the maximum likelihood estimates. Fisher information matrix is formed depending on the missing information law and it is utilized for structuring the asymptomatic confidence intervals. Further, interval estimation is discussed through bootstrap intervals. The Tierney and Kadane method, importance sampling procedure and Metropolis-Hastings algorithm are utilized to compute Bayesian estimates. Furthermore, predictive estimates for censored data and the related prediction intervals are obtained. We consider three optimality criteria to find out the optimal stress level. A real data set is used to illustrate the importance of GHN distribution as an alternative lifetime model for well-known distributions. Finally, a simulation study is provided with discussion.     

用联想神经网络设计的信道均衡器

研究了联想神经网络在数字通信信道均衡器实现中的应用,讨论了其设计方法和设计步骤,给出了计算机模拟结果,并进行了性能比较。研究结果表明:Hopfield联想神经网络实现的信道均衡器具有比传统线性横向均衡器更优越的性能。     

区域经济运行中资源地域空间配置研究 --一个数理经济学的理论分析框架

在一定假设条件下,利用数理经济学方法对区域经济运行中的纯粹交换经济系统、纯粹生产经济系统、生产--交换经济系统中的资源地域空间配置优化进行一般均衡及其均衡扩展比较研究,发现并证明无论何种类型的区域经济体系或多区域经济体系,资源地域空间配置优化的宏观经济效益与微观经济效益并不总是一致的,存在着差异与负相关的可能性.     

Using local linear kernel smoothers to test the lack of fit of nonlinear regression models

Herein, we propose a data-driven test that assesses the lack of fit of nonlinear regression models. The comparison of local linear kernel and parametric fits is the basis of this test, and specific boundary-corrected kernels are not needed at the boundary when local linear fitting is used. Under the parametric null model, the asymptotically optimal bandwidth can be used for bandwidth selection. This selection method leads to the data-driven test that has a limiting normal distribution under the null hypothesis and is consistent against any fixed alternative. The finite-sample property of the proposed data-driven test is illustrated, and the power of the test is compared with that of some existing tests via simulation studies. We illustrate the practicality of the proposed test by using two data sets.     

英汉基本句类主位结构对比及翻译

从语篇分析的角度,运用系统功能语法理论,通过对英汉基本句类的主述位结构的对比分析,探讨如何在翻译中处理主述位错位现象的问题。     

中外水利教育的比较研究

从中外水利教育的管理、教学、科研及产学研相结合方面进行了比较研究，并提出了相应的结论和建议。     

Measuring agreement between two statistics with applications to age standardization

Summary.  We detail a general method for measuring agreement between two statistics. An application is two ratios of directly standardized rates which differ only by the choice of the standard. If the statistics have a high value for the coefficient of agreement then the expected squared difference between the statistics is small relative to the variance of the average of the two statistics, and inferences vary little by changing statistics. The estimation of a coefficient of agreement between two statistics is not straightforward because there is only one pair of observed values, each statistic calculated from the data. We introduce estimators of the coefficient of agreement for two statistics and discuss their use, especially as applied to functions of standardized rates.     

GMM tests for the Katz family of distributions

Generalized method of moments (GMM) is used to develop tests for discriminating discrete distributions among the two-parameter family of Katz distributions. Relationships involving moments are exploited to obtain identifying and over-identifying restrictions. The asymptotic relative efficiencies of tests based on GMM are analyzed using the local power approach and the approximate Bahadur efficiency. The paper also gives results of Monte Carlo experiments designed to check the validity of the theoretical findings and to shed light on the small sample properties of the proposed tests. Extensions of the results to compound Poisson alternative hypotheses are discussed.     

会计要素划分的国际比较

会计要素理论在会计准则理论框架中居于核心地位,但各国由于环境因素等方面的差异,规定的会计要素并不完全相同。在对美国财务会计准则委员会(FASB)、英国会计准则委员会(ASB)、国际会计准则委员会(IASC)和我国对会计要手划分比较的基础上,提出在现有要素体系基础上应增加现金流量表要素。