西北地区经济发展战略构思

系统分析了西北地区经济发展的优势,提出了本区经济发展的基本思路和所需采取的基本战略.     

流域管理学研究重点的思考

区域地理学是研究某一地区内人地相互作用的科学，流域管理学是以流域为研究对象的一门管理科学。流域管理学是区域地理学研究的前沿性学科，是21世纪要重点发展的学科．流域管理学应研究的关键科学问题主要包括流域健康评价及指标体系的研究、流域水文管理模拟、洪灾管理模拟生态恢复工程效益模型及可持续发展研究、数字流域研究及流域社会经济可持续管理研究．     

基于BP神经网络的图像感兴趣区自动检测技术

图像中感兴趣区(region of interesting,ROI)的自动分割是图像信息压缩与模式识别中的重要问题。提出一种图像中感兴趣区的图像信息自动检测算法,通过建立基于BP神经网络的多层检测模型,自动实现图像中ROI的自动检测与分割。并将该模型用于对车牌图像中牌照区域图像的自动分割。结果表明,该算法稳定性好,能够方便快速地实现特定ROI的自动检测与分割。     

全局Poisson抠图的实现与改进

数字抠图技术是一种把图像的前景部分从背景中分离出来的一种技术,它在电影、电视等视频制作中得到了广泛的应用。文章主要目的是对Poisson抠图方法进行改进,以取得更好的处理效果或更快的处理速度。首先对Poisson抠图技术进行了简单的介绍,并对它的实现过程进行了描述。最后,用区域生长的方法对全局Poisson抠图进行了改进,减少了算法的执行时间。     

沂蒙山区红色旅游发展对策

沂蒙山区是中国抗日战争和解放战争中共产党建立的主要根据地之一，具有丰富的红色旅游资源，是发展红色旅游的理想区域．但是由于缺乏认识和经济发展相对落后等原因，本地区的红色旅游资源没有得到充分的开发．发展红色旅游是沂蒙山区经济发展的有效途径之一。并且能够保证经济与生态的协调发展，具有良好的发展前景．在对沂蒙山区红色旅游发展广泛调研的基础上。分析了该地区红色旅游发展的现状和存在的问题。并进而提出了科学合理的发展对策．     

楼宇自控和双向多媒体数据传输的全区域覆盖

探讨了楼宇自控系统和现代建筑内的多种异种网络构成的体系,讨论了在这个体系内的诸如控制网络、有线的计算机网络和无线网络间的互联互通,并分析了在这种混合网络体系下的双向多媒体数据对建筑物的全区域覆盖出现的一些特点。介绍了现代建筑中包括的不同网络技术,并提出了使用移动无线网络和有线网络的有效配合的建议,从而实现双向多媒体数据在建筑物内的全区域覆盖和远程范围内的广域覆盖。     

The role of different cues in the brain mechanism on visual spatial attention

The visual spatial attention mechanism in the brain was studied in 16 young subjects through the visual search paradigm of precue-target by the event-related potential (ERP) technique, with the attentive ranges cued by different scales of Chinese character and region cues. The results showed that the response time for Chinese character cues was much longer than that for region cues especially for small region cues. With the exterior interferences, the target stimuli recognition under region cues was much quicker than that under Chinese character cues. Compared with that under region cues, targets under Chinese character cues could lead to increase of the posterior P1, decrease of the N1 and increase of the P2. It should also be noted that the differences between region cues and Chinese character cues were affected by the interference types. Under exterior interferences, no significant difference was found between region cues and Chinese character cues; however, it was not the case under the interior interferences. Considering the difference between the exterior interferences and the interior interferences, we could conclude that with the increase of difficulty in target recognition there was obvious difference in the consumption of anterior frontal resources by target stimuli under the two kinds of cues.     

复合型雷达吸波材料

研制了一种由羰基铁粉和导电聚苯胺(PAn)复合而成的新型宽频带雷达吸波材料.通过扫描电子显微镜(SEM)和透射电子显微镜(TEM)分析其微观组成是羰基铁粉表面包覆聚苯胺;复合吸收剂0.9mm单层吸波涂层在6～18GHz范围内吸收量达5dB.通过设计还可以进一步拓宽频带和增强吸收.这种材料重量较轻、耐腐蚀、频带宽,有望开发成为实用吸波材料.     

Study of Variable Step Size LMS Adaptive Algorithm Based on Variable Region

This paper puts forward a new variable step size LMS adaptive algorithm based on variable region. The step size p（k） in the algorithm varies with the variation of the region of deviation e （k） to ensure the optimization of the three performance objectives including initial convergent speed, trace ability of the time-varying system and steady disregulation. The paper demonstrates the convergence of the algorithm accompanied by random noise,     

Landslides and Slope Aspect in the Three Gorges Reservoir Area Based on GIS and Information Value Model

Slope aspect is one of the indispensable internal factors besides lithology, relative elevation and slope degree. In this paper authors use information value model with Geo graphical Information System （GIS） technology to study how slope aspect contributes to landslide growth from Yunyang to Wushan segment in the Three Gorges Reservoir area, and the relationship between aspect and landslide growth is quantified. Through the research on 205 landslides examples, it is found that the slope contributes most whose aspect is towards south,southeast and southwest aspect contribute moderately, and other five aspects contribute little. The research result inosculates preferably with the fact. The result of this paper can provide potent gist to the construction of Three Gorges Reservoir area in future.