现代性视野中的社会主义政治文明

社会主义政治文明在本质上就是实现了由传统政治转向以合理性为合法性基础的现代政治,是现代性最伟大的成果之一。现代性理论对于深刻理解社会主义政治文明有着重大意义。     

体制改良路径与体制变革路径的互动

经济发展与社会变迁使公民政治参与需求与需求满足之间形成“时滞性差距”,这种“时滞性差距”进而向政府体制输入压力信号。政府则根据需求强度选择“体制改良”或“体制变革”制度变迁路径,将社会成员吸纳到公正而富有理性的程序之中进行对话、讨论、商谈、沟通、审议,通过多层次、多渠道、多类型体制吸纳,促进政府体制与公民政治参与之间的动态均衡。     

改进非平稳信号的分析方法

研究了WVD和短时傅里叶变换两种时频分析方法的优势和局限性,从两种方法的定义出发,分析了两者间存在的联系,通过构造窗函数,提出一种改进的非平稳信号分析方法,并进行了相应的计算机仿真,结果表明信号的时频特性得到了改善,该方法还适用于多分量非平稳信号的分析。     

Theory & Methods: Incomplete detection in enumeration surveys: Whither distance sampling?

This paper considers the problem of undercount or incomplete detection in enumeration surveys that are intended to estimate population counts or population abundance. The problem is widespread in ecology but also occurs in other surveys: the census undercount is a well-known example of the problem. After framing the problem in a general context, the paper focuses on line transect sampling and the distance sampling method which has been widely applied in surveys of ecological populations. It describes distance sampling data and presents a graphical derivation of the distance sampling estimator. The graphical analysis leads to a new expression for the distance sampling estimator which gives useful insights into the nature of the estimator. The paper discusses the uniformity assumption on which distance sampling depends and describes the properties of the distance sampling estimator when uniformity does not hold. It then explores the relationship between this and other evaluations of distance sampling and mentions briefly some statistical ideas for treating the general incomplete detection problem. The paper concludes with some reflections on general insights arising from the research.     

Effects of non-normality on the power function in a one-way random model

The effects of non-normality on type-I and type-II errors in a one-way random model are investigated for moderate departures from normality. It is found that the probabilities of both errors are more sensitive to the kurtosis of between group effects than that of within group effects.     

Transfer programs and aggregate household formations

The number of households in the United States increased by over fifty percent in the 1960s and 1970s, nearly double the rate of population growth. Part of the increase is explained by the movement of large cohort groups of the population into prime household-forming age categories, but higher headship rates also contribute. Age-specific headship rate increases result from non-demographic factors, and this paper focuses on the role of government transfer payment programs. Specifically considered are Social Security, Aid to Families with Dependent Children, and Food Stamps. These programs are found to have accounted for as many as 4 million net household formations between 1961 and 1984. The findings have implications for expected households formations in the 1990s.     

论中国水彩画理论研究与建设的关注点

中国水彩画理论研究与建设严重不足,从水彩画本体语言、水彩画历史、水彩画与时代、水彩画与人文关怀、水彩画与民族传统文化等几个方面阐述了水彩画理论研究与建设的关注点,认为应加强水彩画理论研究与建设,在研究中找到我们的文脉、找到我们的立足与出发点,不断探索与实践,让富有东方神韵的中国水彩画给世界艺术增添无限的光彩。