基于license文件的软件加密技术的研究与应用

本文是在软件盗版问题日益严重的背景下,提出一种防盗版软件加密方法,其基于license文件的软件加密技术。该技术包括两个方面：license文件的管理技术和通信系统的加密技术。通过对这两方面技术进行分析和研究,提出了相应的解决方法,并对这一软件加密技术进行验证和应用。     

Pursuing justice for refugee students: addressing issues of cultural (mis)recognition

In this paper Nancy Fraser’s conceptual tools are drawn on to theorise issues of justice in a culturally diverse primary school in Australia where approximately 30% of the student population are immigrant/refugees. The paper examines justice issues of cultural recognition in relation to refugee student identity, behaviour and assessment. Drawing on interview data from a study that sought to identify productive approaches to addressing equity for refugee students, the paper highlights the school’s efforts to remedy issues of cultural misrecognition associated with an equation of refugee student difference and marginality with deficit and lack. Such efforts relate to the school’s endeavours to create an inclusive and socially cohesive environment that supports a valuing of, and connection to, refugee student difference. These endeavours are theorised as highly productive in their capacity to disrupt the relations of cultural domination, non-recognition and disrespect that exclude and/or malign some refugee students at the school and broader level. The paper argues the importance of such an approach in light of the unprecedented diversity and complexity of the global context where schools are consistently challenged with new and changing equity concerns and priorities.     

A Review of Methods for Missing Data

This paper reviews methods for handling missing data in a research study. Many researchers use ad hoc methods such as complete case analysis, available case analysis (pairwise deletion), or single-value imputation. Though these methods are easily implemented, they require assumptions about the data that rarely hold in practice. Model-based methods such as maximum likelihood using the EM algorithm and multiple imputation hold more promise for dealing with difficulties caused by missing data. While model-based methods require specialized computer programs and assumptions about the nature of the missing data, these methods are appropriate for a wider range of situations than the more commonly used ad hoc methods. The paper provides an illustration of the methods using data from an intervention study designed to increase students’ ability to control their asthma symptoms.     

The role of planning in outdoor adventure decision-making

ABSTRACT

This article explores the influential role of planning on recognition-primed decision-making. Considerable prior thinking occurs and there is a need to trace and account for the cognitive processes that precede and guide decisions in dynamic outdoor environments. Seven expert leaders from four countries were interviewed about memorable decisions made on outdoor journeys with an educational focus on land, sea and ice. Four stages of planning were identified: (1) long-term preparation; (2) formal leadership meetings; (3) day-by-day planning on route and (4) thinking immediately prior to the event. The stages sequentially capture the planning progression, illuminating the cognitive processes at each stage to culminate in option selection. In each decision situation, planned goals and actions were implemented through the creation and re-creation of micro-plans. As windows of opportunity presented themselves, the flexible execution of plans was a key feature. Planning provided the solid bedrock upon which decisions were made.     

高教自考生的身份认同障碍及对策研究

社会大众、用人单位对自考生固有的话语文本以及自考生自身素质等因素制约了自考生的身份认同.为此,国家相关部门应力促就业公平,自考助学机构应提高自考质量,用人单位应摒弃偏见和歧视,自考生亦应着力提高自身素质,如此才能切实解决自考生的身份认同障碍问题.     

一种基于智能手机的疲劳驾驶报警系统

针对汽车疲劳驾驶提醒装置价格高、安装复杂的问题,提出了一种疲劳报警的新方法———开发一种软件实现智能手机疲劳驾驶提醒功能;提出对PERCLOS、眨眼频率、眼睛闭合速度等四种疲劳判断方法进行加权求和的判断法,提高了疲劳判断的精度和灵敏度;成功制作了软件图标、窗体和报警逻辑.     

人脸识别在建筑施工远程考勤中的应用

提出通过在智能手机上安装考勤客户端软件,使用GPS技术限定用户位置,利用智能手机强大的计算能力和无线互联网络的高带宽,将人脸识别技术应用在建筑施工远程考勤中的方案.介绍Android平台上OpenCV库所提供的算法接口,分析特征脸、Fisher脸、LBP直方图3种人脸识别算法的选择和应用.方案在实际应用中,取得了较好的效果.     

高品质板材钢水精炼技术实践

介绍了目前在面向汽车、家电、造船、桥梁、石油、建筑及钢结构等行业,生产高质量、高技术舍量、高附加值精品扳材时按纯净钢生产原则的钢水精炼控制要求与工艺实践。     

当代贵州文学对外传播存在的问题及应对策略

当代贵州文学作为一种区域性文学,在对外传播活动中存在“贵州符号”识别体系缺失、“纯文学”传播理念被大众消费意识疏离和“沉默的螺旋”效应引发自我否定三方面的问题。因此,采取积极的应对策略势在必行：建立贵州文学符号识别体系,倡导多元文学共同传播的理念,培养贵州本土优秀的评论队伍形成反“沉默的螺旋”效应。这对促进当代贵州文学发展并扩大其影响力具有实际的可行性。     

基于支持向量机与谱特征的数字信号识别

由于已有的调制识别方法存在提取的特征参数多、计算量复杂等不足,现提出一种将支持向量机与谱特征结合的方法,该法不仅提取的特征参数少,对噪声不敏感,计算量小,而且还通过设计分级的支持向量机分类器提高了识别率．仿真实验表明,这种方法比普通的阈值法在识别率方面有明显的改善．