共找到 1015 条与 天文学、大地测量学、地理学 相关的标准,共 68 页
Definition of archived data format for space-based high-energy astronomy
Data dictionary for fundamental geographic information features—Part 4:Scale of 1:250 000 1:500 000 1:1 000 000
Specifications of the baseline measurements
Specifications for the gravimetry control
Data dictionary for fundamental geographic information features—Part 2: Scale of 1∶5 000 1∶10 000
Data dictionary for fundamental geographic information features—Part 3:Scale of 1:25 000 1:50 000 1:100 000
Regulation on real property unit formation and identifier coding
Data dictionary for fundamental geographic information features—Part 1: Scale of 1∶500 1∶1 000 1∶2 000
Specifications for the dense gravity measurement
Specifications for remote sensing image product based on the national topographic maps subdivisions
Rail transit geographic information data specification
Specification for collecting and processing Volunteered geographic information
Specification for geo-entity spatial data
Specification for data collection of unified social credit identifier geographic information
本标准规定了水体可见光-短波红外光谱反射率测量的术语和定义、测量条件、测量准备、基本测量、配套测量、测量记录、测量数据处理和测量工作总结。 本标准适用于获取未冻结的陆域地表水体和近岸海域水体在380 nm~2 500 nm波长范围内的光谱反射率数据,波长在300 nm~380 nm近紫外范围内的水体光谱反射率测量以及其他未冻结海域水体的可见光-短波红外光谱反射率测量可参照执行。
VIS-SWIR spectral reflectivity measurement of water
Pre-processing product levels for spaceborne hyperspectral imaging data
本标准规定了用于机载激光雷达点云数据质量评价的激光雷达点云密度、高程精度、平面精度等指标及计算方法。 本标准适用于机载单回波、多回波激光雷达点云数据的质量评价,星载激光雷达点云数据的质量评价可参照执行。
Indices and computation method of quality assessment for airborne LiDAR point cloud data
Specifications for basic product of the reference stations using global navigation satellite system
Specifications concerning designations for space high-energy astronomical radiation sources
Indoor multi-dimensional location information GML
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