新闻媒介的视角——如何拓展新闻出版人的新视野

当代新闻出版人的视野下不应局限于传统的、局部的、保守的范围内,应当站在时代的前沿,拓展视野,以独特的眼光去捕捉社会共性中独有的特性,用智慧的语言来反映尖锐的思想和认识,反映民意、民生,为政府提供决策信息和合理的大众意见,做百姓的知音,做好党的方针政策的宣传者、解读者。要借鉴国外新闻媒介人的工作意识和方法,用独特的目光来审视周围发生的新闻事件,及时和连续的给予受众客观地报道,从而引起政府的关注和反思,为政策的修订提供依据。     

NSTL网络服务系统评价研究

国家科技图书文献中心拥有丰富的科技文献资源,NSTL网络服务系统(简称NSTL)是其提供科技文献资源与服务的重要窗口。本文采用网络服务系统评价指标分析系统内容、网站设计与效用,并针对系统中存在的不足,提出相应的优化方案。     

机器视觉在线路检测中的运用

以机器视觉技术为背景,运用LabVIEW语言,开发了PCB板线路检测系统,主要针对印刷线路板,断路、短路、缺损和毛刺4类缺陷进行检测。实验结果证明,这一系统不仅识别结果准确,而且速度快,电路板在检测过程中不容易受损,是实现PCB检测的一种行之有效的方法。     

基于计算机视觉的船模位置跟踪

针对水池实验室中船模位置的跟踪问题,提出计算机视觉跟踪的方法.首先对视频图像进行逆透视投影矫正,然后利用CamShift算法实时跟踪船模在图像中的重心位置,最后将船模的图像坐标换算成实际空间坐标,实现船模位置的精确跟踪.该方法具有系统工作稳定性高,安装简单方便,跟踪精度高、效果较好等特点,同时还可利用跟踪得到的位置坐标,计算出船模的航速和航迹向,以实现这两个状态参数的跟踪,为实时跟踪船模等课题研究打下基础.     

Effect of Optimized and Standard Cycle Ergometry on VO2max in Trained Cyclists and Runners

Abstract

This study contrasted prepractice modeling with either the perceptual component (perceptual modeling) or the motor component (movement pattern) of a coincident-timing task to determine whether experiencing the modalities singly or in combination enhanced timing performance on initiation of active practice. The motor component was a 60-cm right-to-left arm movement coincident with the illumination of lights on a Bassin timer runway to displace a barrier as the final runway light was illuminated. Four groups were compared (n = 12 per group). A perceptual modeling group passively viewed stimulus runway lights prior to attempting the task. A motoric modeling group viewed a videotape prior to practice of a model performing the motor component of the skill with zero timing error. A perceptual modeling plus motoric modeling group experienced both modeling modalities prior to performance. Finally, a no modeling group simply initiated practice on the task without modeling. Results indicated that the groups experiencing perceptual modeling initiated practice with significantly less average timing error and variability. Thus, perceptual modeling appeared to be at least as important as motoric modeling as a source of prepractice information to make available to a learner to optimize coincident-timing skill acquisition.     

少数民族大学生职业愿景分析及对策研究

随着高等教育大众化时代的到来,我国少数民族大学生逐年增加,但同样面临着严峻的就业形势。本文尝试通过调查研究,并结合国家对少数民族就业政策的分析,找出有利于少数民族大学生就业的对策,以期缓解少数民族大学生就业困难的局面,促进社会主义和谐社会的构建。     

A practical iterative two-view metric reconstruction with uncalibrated cameras

This paper presents a practical iterative algorithm for two-view metric reconstruction without any prior knowledge about the scene and motion in a nonsingular geometry configuration. The principal point is assumed to locate at the image center with zero skew and the same aspect ratio, and the interior parameters are fixed, so the self-calibration becomes focal-length cali- bration. Existing focal length calibration methods are direct solutions of a quadric composed of fundamental matrix, which are sensitive to noise. A quaternion-based linear iterative Least-Square Method is proposed in this paper, and one-dimensional searching for optimal focal length in a constrained region instead of solving optimization problems with inequality constraints is applied to simplify the computation complexity, then unique rotational matrix and translate vector are recovered. Experiments with simulation data and real images are given to verify the algorithm.     

重视实验仪器设备的优化配置

以该院“智能仪表综合实验室”的实验仪器设备配置为例，着重介绍了用嵌入式PCI04及功能扩展模块组成的教学实验平台在实验教学中可以发挥的优势，从而阐明实验仪器设备优化配置的重要性和优越性。     

"回到康德"与"回到马克思": 两种视野与两种误读

理解与认识是有区别的两种理论活动,解释学与认识论是两种不同的理论视野。在马克思主义哲学研究中,“回到马克思”与“回到康德”是基于两种不同视野提出的口号。一些学者在审视这两个口号时,没有注意到二者视野立场的差别,从而产生了误读。     

影响学校发展的内在要素探析

影响学校发展的因素很多，文章从影响学校发展的主要内部因素，如教育领导者的愿景和教育教学理念、学校的组织文化、学校的组织结构、教学内容和教学方式、学校个体的专业发展和组织专业发展等几个方面做了评述与分析，以回应目前对学校发展的研究。