半脆弱印刷数字有意义水印算法研究

数字水印技术是在数字作品中嵌入不明显的记号。该文分析了印刷品制作中包含数模-模数转换过程的特性,与数字水印技术相结合,将纯数字域的防伪手段应用到模拟领域中的印刷品上。将印刷品扫描打印过程作为失真信道进行建模分析,并在算法中加入预失真;比较了数字水印各算法,结合印刷品的特性采用并改进特征值分解的方法,嵌入和检测有意义水印,通过该水印对二次扫描打印印刷品脆弱不可检测,来达到防伪的要求。该算法相对于空域算法和其他变换域算法有复杂度低、检测准确度高的优势。     

Towards a transdisciplinary blueprint to studying bullying

Events related to bullying are so complex that they require a much broader examination than is usually available from a single disciplinary point of view. The purpose of the present paper is to offer new ways of examining this complex phenomenon. We will argue that transdisciplinarity (henceforth TD) could bring a more comprehensive analysis and a deeper understanding to the current state of bullying research. As a way of emphasizing the benefits of a more pluralistic and integrative approach, we will use TD based examples to describe the general context and process we used to develop a new definition of bullying, one that provides a sharper distinction between bullying and general aggression, thus offering the possibility of more targeted intervention strategies. The present paper is divided into three sections, namely, a selected review of the TD literature, an application of TD inspired ideas and tools that examine bullying from a number of interrelated perspectives, and an outline of a conceptual ‘Disciplinary Continuum’, as an example of how TD can be used to examine complex phenomena. Moreover, we will highlight TD’s expanding role in the funding process, as it is increasingly required by granting agencies and governmental ministries as a criterion for universities’ funding. We conclude by outlining ideas for further inquiries.     

未来的理想汉字

呼唤了百余年的汉字改革近年来渐趋冷落,其实人们对现有汉字仍有强烈的改革愿望。过去的文改路线是先准备条件,最终用拉丁化拼音文字取代汉字。实践证明这条道路是走不通的。汉字改革应运用形声造字原理,使所有汉字改造成为保持传统汉字风格,规则性很强,便于记忆的音节方块字。新汉字由意旁、基本音符和调符三部件组构而成,意旁标示义类科学、合理,基本音符和调符标音准确、确定,没有变化复杂的多音多义字。新汉字推行后,估计小孩入学不到三年就可全部学会掌握,成人掌握更快,它将给中国文化教育事业带来革命性的影响。     

A Study of a Network Meeting: Exploring the Interplay between Inner and Outer Dialogues in Significant and Meaningful Moments

The present study is part of a series of qualitative studies focusing on dialogic practice in southern Norway. In this article, we present a qualitative study of a network meeting focusing on the interplay between the participants' inner and outer dialogues. The network meeting is between an adolescent boy, his mother and two network therapists, the same adolescent case discussed previously in this journal by Bøe et al. ( 2013 ). The aim of this study is to explore how the interplay between inner and outer dialogues contributes to significant and meaningful moments for the interlocutors. A multiperspective methodology is used that combines video recordings of a network meeting and participant interviews with text analysis. Our research found the interplay has an important role in understanding the emergence of significant and meaningful moments in therapy. A one‐sided focus on participants' utterances or inner dialogues was insufficient to explain their significance and meaning to the interlocutors. A dialogical approach provides a theoretical frame and concepts that are useful in investigations of therapeutic conversations.     

关于当前我国就业问题的成因及对策

就业问题不仅是当前,而且也是未来我国经济和社会发展进程中必须高度重视和妥善解决的重大现实问题。当前,在保持经济持续增长的同时,我国宏观经济政策的目标应转向“就业优先”,应加快发展第三产业,扩大社区服务业;大力发展中小企业;加快城市化进程;建立和完善公共就业服务体系。     

试论PPC英语课堂教学模式

以先进的语言理论和教育理论为依据,吸收了国外先进的教学法的精华,我们综合创造了ＰＰＣ中学英语教学模式。这一模式打破了以教师为中心,以语言知识教学为重点的教学传统,提倡教学以学生为中心,使学生掌握英语的基础知识和为交际初步运用英语的能力,使他们成为学习的主人     

Spiritual development and meaningful work: a Habermasian critique

ABSTRACT

A dominant theme of the workplace spirituality discourse in HRD is its transformational nature which enables an organization to imbue work with purpose and meaning. Empirical studies have shown that providing meaningful work to employees enhances several indicators of organizational performance. However, this discourse ignores that such organizational interventions are shaped by capitalist power relations in which the organization is embedded. In this paper, I apply a critical theory perspective drawing from the work of Jurgen Habermas to show that workplace spirituality movement has emerged in response to the loss of meanings inherent in neoliberal capitalism. However, since this movement is operating on a logic of performativity and instrumental rationality, it represents an attempt to re-orient individual subjectivity and the spiritual realm of human experience to serve capitalism.     

中国古代舞蹈审美层面论

情与志的密不可分、合二而一是中国舞蹈审美在内容层面上的独有特征;拧、倾、曲、圆的形态特征,轻盈流动的舞姿,精彩绝伦的旋转形象共同构成古代舞蹈审美形式层面上"圆润流转"的美学风格;在艺术思想层面上,中国古代舞蹈审美直接指向意境,从圆润流转的舞蹈艺术形式中流溢出空灵流动的生命情调和神韵,在舞蹈艺术表演中又蕴涵着以实带虚、虚实相生的思想,而这些恰恰是其它一切古典艺术样式的最高美学追求。     

艺术语言的意象思维

艺术语言是一种有意味的形式。艺术语言在语言编码中所采用的语法手段一旦不能尽其意,便借助于意象思维这一特殊的艺术思维方式,冲破语言符号在表情上的局限性,达到“立象以尽意”,使普通的语言符号上升为艺术语言符号。“立象以尽意”中的“象”是艺术语言的符号媒介,是主体情意的寄托载体,是沟通物象世界与内心世界的桥梁。     

有意义学习理论与课堂教学改革

奥苏伯尔有意义学习理论的核心要素包括两个方面,一是学习者必须具备有意义学习的心向、适当的认知结构和积极主动的学习态度;二是学习的材料必须具有逻辑意义.因此,在课堂教学实践中教师必须做到以下三点第一,激发学生的学习动机和兴趣;第二,根据学生认知结构的特点组织实施教学活动;第三,发挥学生学习的积极性和主动性.