搜索结果: 76-90 共查到“工学 GEO-C”相关记录199条 . 查询时间(0.062 秒)
基于多波束GEO卫星的宽带移动通信系统
多波束静止地球轨道卫星 多频时分多址 时隙码分多址 程控交换 准正交时分复用
2017/12/27
提出基于多波束天线静止地球轨道卫星的宽带移动通信系统方案,与常规结构同类系统用户相比，其容量更大、业务质量更好。采用时隙同步码分多址辅助的多频时分多址接入、程控交换与因特网协议交换结合的交换、时分复用和准正交时分复用下行链路传输体制,可显著增加用户量,简化星上设备,改善互联网应用业务质量。用户接入信道数为173 880, 最高用户下载速率达155 Mbps。仿真结果表明,140个波束、每波束26个...
Develop Direct Geo-referencing System Based on Open Source Software and Hardware Platform
Direct Geo-Referencing System Arduino Open Source
2015/9/11
Direct geo-referencing system uses the technology of remote sensing to quickly grasp images, GPS tracks, and camera
position. These data allows the construction of large volumes of images with geogra...
AUTOMATIC GEO-REFERENCING MOBILE LASER SCANNING DATA TO UAV IMAGES
Mobile Laser Scanning UAV images Geo-reference Pairwise Registration Adjustment Trajectory
2015/9/10
In this paper, a framework for adjusting mobile laser scanning point cloud data to improve the accuracy is proposed by integrating high resolution UAV images and MLS. First, aerial triangulated images...
GEO (GROUP ON EARTH OBSERVATIONS) AND ITS GLOBAL EARTH OBSERVATION SYSTEM OF SYSTEMS (GEOSS)
Climate Change Water Management
2015/9/8
GEO (GROUP ON EARTH OBSERVATIONS) AND ITS GLOBAL EARTH OBSERVATION SYSTEM OF SYSTEMS (GEOSS).
This paper presents a mathematical framework for dealing with area-based image co-registration problems in a generic and modular
way. Based on this framework an efficient implementation is devised al...
geometric accuracy of ikonos geo panchromatic orthoimage products
Photogrammetry IKONOS Very high resolution Accuracy Orthorectification Geometric modelling
2015/9/1
The new very high space resolution satellite images, such as QuickBird and IKONOS, open new possibilities in cartographic applications. This work has as its main aim the assessment of different sensor...
USE OF GEO-INFORMATICS FOR COMBATING DESERTIFICATION IN STOD VALLEY (1F4C2), PADAM (ZANSKAR), DISTRICT KARGIL, J & K STATE
paper deals Indian Meteorology Department
2015/8/31
The paper deals with the desertification status mapping of Stod valley of Zanskar region, District Kargil, Jammu & Kashmir State (India),
located in the altitudinal belt of 3450m to 6200m asl. The va...
EVALUATING GEO-ASPECTS IMPLICATIONS ON LAND SLIDING IN HIMALAYAN TERRAIN IN A PART OF AIZWAL DISTRICT, MIZORAM STATE USING REMOTE SENSING AND GIS
terrain parameters landslides remote sensing and GIS
2015/8/31
Geology and geomorphology have a dominant control in the evolution of geo-aspects of a region. Remote sensing is an important
and effective aiding tool in geological- geomorphological mapping in the ...
WEB-BASED SHARING OF A GEO-PROCESSING CHAIN: COMBINATION AND DISSEMINATION OF DATA AND SERVICES
Internet GIS Geo-processing chain Process sharing,
2015/8/28
The recent integration of the internet with geo-information systems (GIS) has evolved the concept of Internet Distributed GeoInformation
Services. Numerous research and implementation studies of stan...
Nowadays, DTM databases are vital for a variety of applications, such as visualization or terrain analysis. Therefore, in the fields of
civil engineering, mapping and geo-information, or geophysics, ...
GEO-ONTOLOGY: A KEY COMPONENT FOR SERVICE BROKERING IN SERVICE ORIENTED INTEGRATION OF GIS
Spatial Data Infrastructure Spatial Web Services Service Oriented Architecture
2015/8/28
With the growing need of spatial data for almost all decision support systems a huge amount of data about earth has been collected.
The data being captured use different software tools making them he...
GIS BASED MODELING OF GEO-CHEMICAL QUALITY OF GROUNDWATER IN CHANDIGARH
GIS Geochemical parameters Groundwater
2015/8/28
As surface water is inadequate to meet the increasing human demand, groundwater sources are largely being resorted
to. Groundwater, many a times, is not adequate and safe for direct human consumption...
TOWARD INTELLIGENT AND SUSTAINABLE ARCHIVING OF GEO-SPATIAL DATA
Heterogeneous Database Environmental Systems Remote Sensing
2015/8/28
Purdue University, Chief Scientist, Rosen Center for Advanced Computing, Associate Vice President for IT
Collaborative Research and Director, Purdue Terrestrial Observatory rochon@purdue.edu;
2Purdu...
PRECISION CORRECTION OF AWiFS TEMPORAL IMAGES FOR GEO-DATABASE CREATION
LULC AWiFS ortho-rectification
2015/8/28
Spatial accounting and monitoring of land use and land cover (LULC) systems have become essential for the sustainable
development of any country. In order to monitor these LULC systems a multi-tempor...
ASSESSMENT OF GEO-POSITIONING ACCURACY ACHIEVED USING RATIONAL FUNCTION MODEL FOR CARTOSAT-1 STEREO DATA
RPC DEM Orthokit
2015/8/28
Geo-referenced high-resolution satellite data product generated using CARTOSAT-1 stereo data can be used for mapping
topographic information, navigation, urban planning. This paper present the first ...