“Resolution” refers to what can be resolved, meaning, what can differentiated from that which it is not. Typically we’re talking about some frequency, or, in other words, some periodicity or repeating interval. With a DEM, we have horizontal resolution, which is the spatial frequency at which samples are taken or modeled – the pixel size in x and y directions, those usually being equal and thus pixels being usually square. We also have vertical resolution in a DEM, which refers to how frequently the DEM can record a difference in elevation. Often, in my experience, 香港云主机 this is in integer meters, or feet. So vertical resolution is often higher (i.e., more fine) than horizontal resolution. There is also temporal resolution, though most DEMs are single snap-shots in time, and temporal resolution starts to be measureable when we’ve got DEM series through time.
大数据不仅意味着海量、多样、迅捷的数据处理，更是一种颠覆的思维方式、一项智能的基础设施、一场创新的技术变革。物联网、智慧城市、增强现实(AR)与虚拟现实(VR)、区块链技术、语音识别、人工智能、数字汇流是大数据未来应用的七大发展方向。一、物联网物联网是新一代信…
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