基于GIS的军事通信网络传输资源信息管理系统

依据工作中的实践和经验,结合现代技术的发展和成果,在信息系统分析与设计的基础上引入GIS技术,分析了管理信息系统与地理信息系统结合的优势,提出并设计了基于地理信息系统的军事通信网络传榆资源信息管理系统,对具有空间属性特征信息管理系统的设计和开发具有一定的借鉴和参考价值。     

A study of people's sketching habits in GIS

Sketching is traditionally associated withdoodling simple strokes on a piece of paper.Only few professionals outside of design andthe fine arts have recognized the expressivepower of this intuitive modality. However,sketching seems particularly well suited tocapture objects and situations in a spatialenvironment, such as geographic space. To learnmore about the techniques and strategies peopleuse when sketching, a survey of sketching wasconducted. The study showed that paper andpencil sketches contain mostly simple andabstract objects that are composed of only fewstrokes. The spatial configuration of a sceneis primarily expressed through the topologicalordering of objects relative to each other.Metric relationships are used to refine spatialconfigurations. These and other findingssuggest that sketching is an appropriatemodality to interact with a computer where onewants to describe and capture objectconfigurations in a spatial environment, suchas a geographic information system (GIS).     

一种实用的地图数字化方法

介绍了一种把纸张地图进行扫描 ,然后通过地理信息系统软件MapIn fo在微机屏幕上进行跟踪数字化 ,从而实现把栅格地图转化为数字地图的实用方法。     

无线射频技术在矿井管理系统中的应用

随着矿产资源开采技术的日益完善,信息采集和处理已逐渐成为矿井管理中重要的技术环节。通过利用无线射频技术对人员、物资进行远程跟踪识别,为企业信息管理系统的完善提供了重要的参考信息。通过对矿井管理系统体系结构及其计算机网络监控系统的介绍和分析,提出基于井下地理信息系统的标签信息资源调度方案。实践表明：该决策方案能有效地对矿区资源进行调度和监控,是物体识别技术下一步发展和应用重要方向。     

广东省杨桃园桔小实蝇发生高峰期预测

根据2003-2004年多个地点的桔小实蝇Bactrocera dorsalis (Hendel)监测数据和室内恒温条件下发育历期观察结果,采用地理信息系统技术和发育历期模型的方法,研究了广东省杨桃园桔小实蝇成虫2个发生高峰期地理分布规律和发生期预测技术.结果表明,广东省桔小实蝇成虫年度第1个发生高峰期呈现由南向北、由西向东逐渐推迟的趋势,而最后一个发生高峰期基本表现为由北向南、由东向西逐渐推迟的规律.第1个高峰最早是3月20-24日出现在湛江地区,最迟是4月28日-5月1日出现在梅州、潮州、揭阳部分、汕头部分、韶关西北部的几个县区和清远东部的山区.最后一个高峰期出现时间和地区规律基本上与第1个高峰期相反.建立了当代桔小实蝇成虫发生高峰期预测下一代成虫发生高峰期的模型.对这2种预测方法的检验结果表明,两者均能较为准确地预测出相应的桔小实蝇成虫发生高峰期.     

Exploration of groundwater potential zones mapping for hard rock region in the Jakham river basin using geospatial techniques and aquifer parameters

Geospatial techniques are useful to understand the groundwater resources assessment, development, and management. Groundwater mapping is essential to counter the excessive withdrawal of groundwater and fulfil the need of drinking, irrigation water in hard rock areas. Currently, the main problem is facing the groundwater level is decreasing due to less rainfall, climate changes and increasing demand, which is under in the hot zones. This results can be more useful for future challenges, sustainable development and demand to Jakham river basin. The main objective of this paper to demarcated the groundwater potential zones (GWPZ) using geospatial techniques for the hard rock region with the reference of aquifer parameters. In this paper, we have used to total eight thematic layers such as geomorphology, land use, soil, topographic elevation, slope, post-monsoon groundwater level (GWL), net recharge, and transmissivity, which are prepared from satellite data and field verification. All thematic layers were integrated for assigning the weights to demarcation of the groundwater potential zones in the RS and GIS environment. The selected thematic layers and features were assigned weightage and normalized by the analytic hierarchy process (AHP) technique. Finally, the thematic layers were systematically integrated using weighted overlay analysis within a GIS environment. We have classified into five GWPZ classes i.e. very high, high, moderate, low, and very low for basin area using GIS, and AHP methods. The study area result indicated that high and moderate zone, which is confined in the central part of the basin, covers 2.43 % and 43.88 % area, respectively. The low (49.21 %) and very low (4.25%) GW potential zone is under the confined aquifer in the high slope and rock outcrops formations near the basin boundary. The final GWPZ map was validated with groundwater level fluctuation data, which illustrates the accuracy of the adopted approach. This unique approach and conclusions of this work may also help to develop the framework and policies for swiftly analyzing groundwater recharge planning, development and locating the artificial recharge structures in the other semi-arid, arid and hard rock regions.