With the rapid development of digital image processing technology,the realization of the auto-focus technology has become particularly important.In this paper,the authors discussed how to realize automatic focusing on S3C6410 platform,and used brightness difference function as evaluation criterion of image clear or not.On that base of evaluation function,the authors realized fast and precise focusing by using improved blind hill climbing methods.
Advocacy of simplicity is one of China's national characteristics in China's poetry,on which Chinese literary critics of past dynasties have made an elaborate and brilliant explanation.Liu Xie's Wenxindiaolong highlights the importance of this feature from many aspects,of which Articles on Scenery,Articles on Styles of Literature,and Articles on Implicit and Elegant Expressions have had relatively comprehensive and concentrated discussion on the idea of "advocacy of simplicity",which has great significance for the development of Chinese traditional literary theory.
《长恨歌》作者借“长恨”来抒发一种遗恨和感慨。小说描述了长达四十年之久的一个女人在一个城市中的一段命运,一个时代的变迁、一座城市的变化、一段命运的坎坷。这其中都蕴含了无限的“恨”,既是对于时光岁月流逝、光阴变化的无奈,也是对于世事人情无常、生命脆弱的妥协。小说中女主人公王琦瑶的一生就是日常化的历史,她的变化都是因为历史的改变而造成的
小学语文教材是文化的重要载体,语文教材对于小学生的成长具有重要教育作用.其中小学语文教材中的领袖人物的选择是我们需要关注的问题之一,这类人物既是社会的精英,同样也具有普通的情感.现行小学语文教材选择的领袖人物不太合理,过于集中,单调,无法反映这类人物的全貌.这受到了意识形态、教材编写习惯、中国传统观念等因素的影响,有待不断改进.
Emotion is obviously individual-oriented.Chuanshan put more emphasis on the uniqueness of the individual in Poetics,and take it as one of the most important criteria for poetry evaluation,in opposition to the sectarian bias.There are two relationships between Qing,Self and Cai: being separate and consistent.The analysis of Qing,Self and Cai in Chuanshan Poetics is to highlight the sensibility,individuality and difference of the emotion.Since the difference will inevitably lead to a great variability,the emotion should be restricted and regulated properly.
“简”作为中困古代典籍中的一个重要词汇,“简”的语义结构体现的是中国人“简”的经验结构和意识结构.从中国文化的整体性特色出发,“尚简”意识在中国古代文化中具有普遍表现.古汉语的文字的特点,人们生活方式和行为模式,心理、精神、思维意识等方面,都可以体会到“尚简”特征的存在.
This paper describes the design of a portable common document playback system that uses S3C2440 as the core and WindowsCE 5.0 as the operation system, and introduces the advantages of the system.
Hollow glass microsphere is a new material which have low density high strength.Putting alloy thin films on hollow glass microsphere by physics or chemical method can figure out the problem of metal powder's high density and prone to oxidation and produce high-powered Microwave absorbing material.
电影语言包括镜头、音乐、色彩、台词等等,每一部电影都是通过这些关键元素来表达实质。在杨德昌电影《牯岭街少年杀人事件》、《一一》等电影台词中,我们可发现两个显著特征:首先,他是如此爱"说教",台词具有话剧独白式的语言风格,即从不介意将反映主题的台词由演员直白的说出来。其次,他在作品里有意识地在表现人的社会性,用心去关注整个社会的某个横截面,或者与之相关的社会结构与机制,通过台词来体现他对他社会的哲思。
This paper introduces a novel topology about single-stage PFC converter based on bridge inverter and analyzes its theory of operation.With the analysis of prototype,the paper presents the input and output performance about this topology.As a result of simulation,the topology can make the device get to high PF,low THD of input current,and low ripple of output voltage,and high efficiency.
本文描述了以S3C2440为内核、以Windows CE5.0为操作系统的便携式常见文档播放系统的设计。本系统可将文件从USB存储设备中读取出来,并将其内容以RGB视频信号送出到显示终端进行显示。该文档播放系统可以实现word文档(.doc)、Power-point(.ppt/.pps)、Excel(.xls)、Adobe Reader(.pdf)、图片(.jpg/.bmp/.jif)等常见文件的读取播放。该系统体积小巧、携带方便、使用广泛。