排序方式: 共有10条查询结果,搜索用时 15 毫秒
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ArcGIS在栅格数据处理中的应用初探 总被引:2,自引:1,他引:1
王宪民 《测绘与空间地理信息》2004,27(5):60-62
主要介绍了应用ArcGIS的GRID模块处理栅格数据的思路、方法及关键技术,并给出几个应用的具体例子。 相似文献
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Solitary electrostatic waves with ion acoustic speed were frequently observed by satellites in the auroral acceleration region. In this paper, the nonlinear ion acoustic waves are studied in the plasma which is composed of warm electrons with the Boltzman distribution and cold ions of equal density. The characteristics of solitary-likc structure in the ion acoustic frequency range are derived with the methods of reductive perturbation and phase plane analysis. The results show that nonlinear ion acoustic waves may develop to a symmetric solitary structure which is compressive and no net potential drop when dissipation does not exist, and in the case with dissipation it may evolve to compressive solitary-like structure with asymmetric shape. produce net potential drop and form weak double layer. The above theoretical results are consistent with observations. 相似文献
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王宪民 《测绘与空间地理信息》2005,28(1):79-80
介绍了在数据库建设过程中,通过在ArcSDE Geodatabase中手工创建栅格目录表,对数据库中单独存储的栅格数据实现无缝显示。 相似文献
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ArcGIS在栅格数据处理中的应用初探 总被引:1,自引:0,他引:1
本文主要介绍了应用ArcGIS的GRID模块处理栅格数据的思想,方法及关键技术,并给出几个应用的具体例子。 相似文献
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ArcGIS Geoprocessing在地类图斑综合中的应用 总被引:1,自引:0,他引:1
王宪民 《测绘与空间地理信息》2010,33(6)
介绍ArcGIS中实现土地利用地类图斑综合的方法,进而介绍运用ArcGIS内置VBA二次开发技术调用Geoprocessing处理工具的途径和方法。 相似文献
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