DEM (Digital Elevation Model) describes elevation values across the map, excluding vegetation and man-made structures. It describes “bare earth” elevation. The result can be applied in survey, hydrology (calculate flow accumulation and flow direction), geology, construction, utilities, etc.
On the afternoon of April 30, the first press conference of the 2020 Mount Everest elevation measurement was held at the Everest Base Camp, and the 2020 Mount Everest elevation measurement was officially launched. This year marks the 60th anniversary of the first successful summit of ...
With the continuous development and progress of earth observation technology, and the continuous diversification of means for obtaining spatial information, the use of a single means of spatial data resources has been difficult to meet people's information needs. Lidar and hyperspectral ...
t present, airborne LiDAR technology has made great progress and has been widely used in many fields. Following the trend of technology development, feiyan remote sensing has long been in the forefront of the industry.
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