| 1. | A review on the scale issue in dems and digital terrain analysis 及数字地形分析中尺度问题研究综述 |
| 2. | An topographic analysis of grasshopper outbreak in the region around qinghai lake aided by gis 支持下青海湖地区草地蝗虫发生的地形分析 |
| 3. | According to the structure of the model , this text deeply researches the topologic analysis arithmetic so that the model can be applied in the domain of terrain analysis 根据该模型的结构,本文深入研究了在此模型上进行拓扑分析的算法,使之在地形分析中得以应用。 |
| 4. | Taking slope gradient , aspect , curvature and stream channel networks as examples , an overall analysis was made to explore the accuracy and application feasibility in this paper 并选定坡度、坡向、曲率、沟壑等地形因子为指标,对dem地形分析的精度与应用适宜性特征进行了较为全面的分析。 |
| 5. | Based on the solution space analysis of the quadratic assignment problem , we tried to apply the solution schema to ant system algorithm , and made an experiment on the four classes problem of qap 在对二次分配问题qap解空间地形分析的基础上,提出了解模式在蚂蚁算法中的应用,并且在qap的四类问题上进行了实验。 |
| 6. | Contraposing the requirements for special analysis , after researching the storage , division and organization of data , the method of data management in a terrain analysis system reiving on cloud data is put forward 针对特定的分析要求,模型从数据的存储方式、分幅方法和组织方式入手,提出了基于海量数据的地形分析系统中数据的管理办法。 |
| 7. | 3d terrain with air photos and dem / dtm data is made by the system . virtual reality technology of 3d terrain is researched in detail . algorithms ^ programs and results of terrain analysis are provided 本课题利用航摄影像和dem dtm数据生成三维地形,使用opengl的实现方法,对三维地形的虚拟现实技术进行了详细的研究,并且给出了地形分析的算法、程序实现及分析结果。 |
| 8. | Digital elevation model ( dem ) is widely known as the kernel of national foundation geographical information database , as well as the basis of digital terrain analysis in gis for it contains plentiful topographical , geomorphology and correlative geographical information and acknowledge Dem是国家基础地理信息数据库的核心内容,是gis数字地形分析的数据基础,包含着丰富的地形、地貌及相关的地学信息与知识。 |
| 9. | For the issuance of data , using the technology of web service , this text put forward the method and detail of foreshore terrain analysis system architecture in the network environment on the platform of microsoft . net in order that the system can supply the service through the network 为便于数据的发布,本文又利用webservice技术,以微软. net为开发平台,提出了网络环境中滩涂地形分析系统的架构方法和细节,使系统可以通过网络提供服务。 |
| 10. | Then it sets up the way that carry out map showing in embedded condition , landform analyzing and gps data receiving . in the end , the foreground is analyzed and the points that need to improve is brought forward 论文首先分析嵌入式地理信息系统的研究现状、技术背景、特点及应用,为嵌入式地理信息系统( egis )的开发提供技术基础;其次提出了实现egis中的嵌入式平台环境下的地图显示、地形分析和gps数据接收的方法;最后分析了系统的应用前景和需要改进的地方。 |