A study on parallel algorithm for particle swarm optimization

Thesis (Ph. D. in Engineering)--University of Tsukuba, (A), no. 5683, 2011.3.25Includes bibliographical references (leaves 61-68

The Analysis of Idiom Story Learning Materials for Intermediate and Advanced Chinese Learners ——Taking Idiom Stories in <ZhuangTzu>for Instance

随着留学生汉语水平的提高，成语逐渐成为他们词汇学习的重要内容。在目前通用的汉语教材中，成语占词汇总量的比重随着级别的提高也逐渐增加。成语作为词汇的重要组成部分，有着一般词汇的共性，也有自己的特点，但这在通用的汉语教材中却没有得到体现，在教学和练习中也没有得到足够的重视。留学生在学习的过程中面对这一类特殊的词汇，更容易产生畏难情绪。鉴于成语语义背景的复杂性，目前出现了一些专门的成语教材，但这些成语教材只侧重大量的成语的教学和练习，在一定程度与留学生的学习需求有所偏离。 庄子是中国道家思想的主要代表，他的思想从哲学、美学、文学等方面对中国的文化产生了深远的影响。《庄子》一书所传达出的观点对于当前...For foreign students, as their Chinese language level improves, idioms gradually become an important part of their vocabulary. Also, in the vocabularies of these general Chinese textbooks, the proportion of the idioms also increases with the level enhancing. As an important part of vocabulary, idioms have similarities with others, but also have its own characteristics, which haven’t gotten enough ...学位：教育学硕士院系专业：海外教育学院_汉语国际教育硕士学号：2652013115132

Application of Stochastic Resonance Technology in Underwater Acoustic Detection

从七十年代至今，随着探索和开发海洋程度的加深，水声通信技术得到了迅猛地发展。水声信号的检测与增强是水声通信的关键技术之一。本文从随机共振理论具有在信噪比低的环境下能准确检测和增强弱信号的特点出发，将随机共振技术应用于水声探测信号的检测中去，以实现弱信号的增强。但经典随机共振理论是针对于低频周期信号开展研究的，而水声通信中的探测信号通常为淹没于各种不同噪声中的高频段Chirp信号。结合随机共振理论具有在信噪比低的环境下能准确检测和提取弱信号的特点，加入对系统参数选取的自适应算法，在高频段Chirp信号在水声通信的传输过程中，利用双稳态随机共振系统对信号进行预处理，实现海洋环境噪声能量到信号能量的...Since the seventy's, along with the development and utilization of ocean, underwater acoustic communication technology obtained rapid development.Detection and enhancement of underwater acoustic signal and is one of the key techniques of underwater acoustic communication. This paper focus on enhancing the weak signal based on the stochastic resonance theory can accurately detect and enhance the ch...学位：工学硕士院系专业：信息科学与技术学院_通信与信息系统学号：2332012115297

从“腊梅”到“蜡梅”——蜡梅栽培史及蜡梅文化初考

通过查阅大量历史文献资料,从唐宋诗词、笔记小说、本草学著作及花木文献4个方面梳理蜡梅(腊梅)相关记载,澄清杜牧腊梅诗传抄中的谬误,考证出唐代有"腊梅"而无"蜡梅",蜡梅栽培史应以宋代为开端,而直至明代蜡梅才被《救荒本草》《本草纲目》等本草学著作所收录。阐明植物名由"腊梅"到"蜡梅"的演变史,呼吁既要强调正式名"蜡梅",又从弘扬蜡梅文化的角度,尊重异名"腊梅"的使用

文化財の強度測定法と風化度合いの定量化について

When thinking about conservation of cultural properties, information about the strength of the cultural property must be understood. So in this paper, methods to measure the strength of stone and related materials, such as bricks and earths, are introduced. To realize the strength of a stone, its compressive strength is usually measured. However, that method requires destruction of samples more than 10cm in diameter. So it is not usable for cultural properties. Methods should be nondestructive or at least “nearly” nondestructive. Several methods are introduced in this paper as nearly nondestructive methods. Other methods to estimate the grade of weathering of materials are also introduced. These methods have, of course, merits and demerits, so they should be selected case by case