The third annual workshop of the International Geoscience Programme Project 565“Developing the Global Geodetic Observing System into a Monitoring System for the Global Water Cycle,”which was jointly organized by IGC...The third annual workshop of the International Geoscience Programme Project 565“Developing the Global Geodetic Observing System into a Monitoring System for the Global Water Cycle,”which was jointly organized by IGCP 565,the Group on Earth Observations(GEO)and the Global Geodetic Observing System(GGOS),was held on 11-13 October 2010 at the University of Nevada,Reno,in Reno,Nevada,USA.During the three days,a total of 57 participants from eleven countries in four continents discussed the status,science challenges and approach to addressing the challenge of utilizing geodetic observations for the monitoring of changes in terrestrial water storage.展开更多
The Combined-GEO-IGSO constellation is the combination of Geostationary Earth Orbit(GEO) satellite and Inclining GeoSynchronous Orbit(IGSO) satellite.The Combined-GEO-IGSO constellation can integrate the advantages of...The Combined-GEO-IGSO constellation is the combination of Geostationary Earth Orbit(GEO) satellite and Inclining GeoSynchronous Orbit(IGSO) satellite.The Combined-GEO-IGSO constellation can integrate the advantages of GEO and IGSO to achieve regional coverage.In order to discuss the performances of the Combined-GEO-IGSO constellation,the performances of coverage,elevation,diversity,and transmission are simulated in China and surrounding regions by Satellite Tool Kit(STK).The simulation results show that:the combined constellation can reach higher multi-satellite coverage and higher communication elevation in China and surrounding areas;the Doppler shift,delay,and propagation loss of this constellation have little impact on the system.As regional coverage constellation,the Combined-GEO-IGSO is feasible.展开更多
文摘The third annual workshop of the International Geoscience Programme Project 565“Developing the Global Geodetic Observing System into a Monitoring System for the Global Water Cycle,”which was jointly organized by IGCP 565,the Group on Earth Observations(GEO)and the Global Geodetic Observing System(GGOS),was held on 11-13 October 2010 at the University of Nevada,Reno,in Reno,Nevada,USA.During the three days,a total of 57 participants from eleven countries in four continents discussed the status,science challenges and approach to addressing the challenge of utilizing geodetic observations for the monitoring of changes in terrestrial water storage.
基金Supported by the National Natural Science Foundation of China (No. 60972061,No. 60972062,and No. 61032004)the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204)the Natural Science Foundation of Jiangsu Province(BK2009060)
文摘The Combined-GEO-IGSO constellation is the combination of Geostationary Earth Orbit(GEO) satellite and Inclining GeoSynchronous Orbit(IGSO) satellite.The Combined-GEO-IGSO constellation can integrate the advantages of GEO and IGSO to achieve regional coverage.In order to discuss the performances of the Combined-GEO-IGSO constellation,the performances of coverage,elevation,diversity,and transmission are simulated in China and surrounding regions by Satellite Tool Kit(STK).The simulation results show that:the combined constellation can reach higher multi-satellite coverage and higher communication elevation in China and surrounding areas;the Doppler shift,delay,and propagation loss of this constellation have little impact on the system.As regional coverage constellation,the Combined-GEO-IGSO is feasible.