搜索结果: 1-6 共查到“信息处理技术 GEO”相关记录6条 . 查询时间(0.058 秒)
DATA INTEGRATION OF DIFFERENT DOMAINS IN GEO-INFORMATION MANAGEMENT: A RAILWAY INFRASTRUCTURE CASE STUDY
3D city model multi-dimensional modelling multi-source data integration
2018/9/19
A 3D city model is a representation of an urban environment with a three-dimensional geometry of common urban objects and structures, with buildings as the most prominent feature. In the last decades,...
The National Natural Resources Management System (NNRMS) supports the national requirements of natural resources management and developmental needs by generating a proper and systematic inventory of n...
A Watermarking Algorithm for Vector Spatial Geo-Data Based on Integer Wavelet Transform
Digital Watermarking Vector Geo-Spatial Data Integer Wavelet Transform Robust
2015/12/11
Considering the characteristic of vector geo-spatial data for digital watermarking, this paper presents a new watermarking algorithm for vector geo-spatial data based on integer wavelet transform. By ...
Leveraging the L1Composite Signal to enable autonomous navigation at GEO and beyond
Leveraging L1Composite Signal enable autonomous navigation GEO beyond
2015/6/24
The Global Positioning System (GPS) was originally conceived to provide the United States military with reliable navigation and timing on and close to Earth. By design, the signals broadcast from the ...
基于频谱偏移的GEO星机多基SAR提高距离分辨率方法
多基SAR 地球同步轨道 距离分辨率 频谱偏移
2009/8/27
该文给出了发射端固定的单发多收地球同步轨道(GEO)星机多基SAR几何模型，推导了不同接收端回波之间的频谱偏移。基于该频谱偏移，提出了通过合成不同接收端的频谱实现提高距离分辨率的方法。详细分析了谱合成过程中产生的重叠干扰项，及其对距离分辨率的影响，并提出了权值滤波的方法进行抑制。最后通过仿真验证了方法的有效性。
Signature Analysis of Multifrequency Polarimetric Nasa DC-8 Airsar Data of Alpine Geo-Applications
Signature Analysis Multifrequency Polarimetric Nasa DC-8 Airsar Data Alpine Geo-Applications
1993/1/16
Signature Analysis of Multifrequency Polarimetric Nasa DC-8 Airsar Data of Alpine Geo-Applications。