基于DSPF2812的发动机转速测量系统设计

在研究现有的几种发动机转速测量方法基础上,设计了一种以T型测速方法为原理,以DSPF2812为控制核心的发动机转速测量系统。给出了系统的测量原理以及实现发动机转速测量的软件编程方法和信号调理电路设计,同时应用LabVIEW软件实现对信号的监测和数据存储,最后对该测量系统进行了实验测试,在实际测试中取得了良好的效果。该系统具有测速精度高、测速范围广以及实时性强等特点,为汽车发动机性能研究、故障处理以及后续的分析提供了重要的参考依据,同时该系统还可以应用到电机测速等其它测速领域,具有较高的实用价值。     

Robust Smoothed Rank Estimation Methods for Accelerated Failure Time Model Allowing Clusters

Smoothed Gehan rank estimation methods are widely used in accelerated failure time (AFT) models with/without clusters. However, most methods are sensitive to outliers in the covariates. In order to solve this problem, we propose robust approaches based on the smoothed Gehan rank estimation methods for the AFT model, allowing for clusters by employing two different weight functions. Simulation studies show that the proposed methods outperform existing smoothed rank estimation methods regarding their biases and standard deviations when there are outliers in the covariates. The proposed methods are also applied to a real dataset from the “Major cardiovascular interventions” study.     

Symmetrical Design of Experiment in Global Sensitivity Analysis Based on ANOVA High-dimensional Model Representation

This article reviews symmetrical global sensitivity analysis based on the analysis of variance of high-dimensional model representation. To overcome the computational difficulties and explore the use of symmetrical design of experiment (SDOE), two methods are presented. If the form of the objective function f is known, we use SDOE to estimate the symmetrical global sensitivity indices instead of Monte Carlo or quasi-Monte Carlo simulation. Otherwise, we use the observed values of the experiment to do symmetrical global sensitivity analysis. These methods are easy to implement and can reduce the computational cost. An example is given by symmetrical design of experiment.     

Social inequalities in intimate partner violence: a study of women in Kenya

This study examines social inequalities in intimate partner violence (IPV) among women of reproductive age in Kenya. A sample comprising 3,696 women was retrieved from the Kenyan Demographic and Health Survey of 2003. The study design was cross-sectional. Chi-square tests and logistic regression were used to analyze the data. Results indicated that while high education among women reduced the risk of IPV exposure, both being employed and having a higher education/occupational status than her partner increased a woman's vulnerability to IPV. Age differences between the partners, illiteracy, and lack of autonomy and access to information increased the likelihood of IPV. Finally, being in polygamous relationships was associated with IPV exposure. The findings indicate demographic, social, and structural differences in exposure to IPV with important implications for interventions.     

"男主女从":必须扬弃的等级观——《布洛陀经诗》的性别哲学研究之三

《布洛陀经诗》虽然包含"阴阳合德"等合理因素,但从其宗教神灵观的主要特征,以及在角色定位上的主导思想、在价值评价上的主流意识等方面来看,"男主女从"的等级特征都较为明显。这种等级观体现了壮族性别哲学和壮族传统文化的某些糟粕,是我们在寻求性别和谐发展之道时所必须给予剔除和扬弃的。     

论现代化进程对民族传统文化的影响——织金县茶店乡红艳村布依族传统文化调查

现代化进程在极大地促进民族地区经济社会发展、大力改变民族地区贫穷落后面貌的同时,也存在给少数民族和民族地区带来资源极度消耗、生态破坏、环境污染以及民族文化逐步衰退、丢失等弊端.本文拟通过红艳村的个案调查,从文化层面重点审视和描述现代化进入与民族传统文化逐步衰退丢失的过程,以寻求有效的解决办法.     

书院教育的复兴与儒家人格培养

中国高等教育的根本矛盾是求道与学艺的矛盾。近代以来,我国高等教育对西、苏模式的模仿主义以及越来越转向学艺本位的教育理念,导致对大学生的人格培养的轻视与路径匮乏,这都一直为国人所诟病。如何寻求突破发展的瓶颈,建立真正意义上21世纪的中国大学和本土化的高等教育模式,已经成为了当代中国高等教育的重要命题。书院作为悠久历史的中国传统文化教育组织,是中国传统高等教育的代表之一,也是儒家人格培养的重要机制,在港澳台和上海等多地正在悄然复兴。立足当代,如何继承传统和与时俱进,就必须要审视书院教育的办学制度与治学方法,这也才是中国高等教育的出路所在。     

Performative family: homosexuality,marriage and intergenerational dynamics in China

Using in‐depth interview data on nominal marriages – legal marriages between a gay man and a lesbian to give the appearance of heterosexuality – this paper develops the concept of performative family to explain the processes through which parents and their adult children negotiate and resolve disagreements in relation to marriage decisions in post‐socialist China. We identify three mechanisms – network pressure, a revised discourse of filial piety and resource leverage – through which parents influence their gay offspring's decision to turn to nominal marriage. We also delineate six strategies, namely minimizing network participation, changing expectations, making partial concessions, drawing the line, delaying decisions and ending the marriage, by which gay people in nominal marriages attempt to meet parental expectations while simultaneously retaining a degree of autonomy. Through these interactions, we argue that Chinese parents and their gay adult children implicitly and explicitly collaborate to perform family, emphasizing the importance of formally meeting society's expectations about marriage rather than substantively yielding to its demands. We also argue that the performative family is a pragmatic response to the tension between the persistent centrality of family and marriage and the rising tide of individualism in post‐socialist China. We believe that our findings highlight the specific predicament of homosexual people. They also shed light on the more general dynamics of intergenerational negotiation because there is evidence that the mechanisms used by parents to exert influence may well be similar between gay and non‐gay people.     

基于文化营销视角的城市古镇文化旅游品牌塑造研究——以广州沙湾古镇为例

随着我国旅游业的高速发展,旅游业竞争热点正从旅游资源开发向旅游产品开发以及旅游目的地品牌塑造这两个更高层次演变。城市古镇文化旅游日益成为一个旅游消费热点,针对这种趋势,本文以广州市番禺区沙湾古镇为例,从文化营销的视角,探讨了古镇文化旅游品牌塑造的理论与方法,分析了把地方文化资源转化为旅游目的地品牌核心价值的路径与方法,为城镇文化旅游开发提供决策依据。