Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"QZSS"”.
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Remote synchronization method for the quasi-zenith satellite system
… like the Japanese Quasi-Zenith Satellite System, QZSS. Low satellite mass and low satellite manufacturing and launch cost are significant advantages of this novel system. Two possible implementations of the time synchronization network for QZSS are presented. Additionally, the problem of satellite …
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Seismic isolation of buildings for vertical earthquake excitations
… isolation based on quasi-zero-stiffness-system (QZSS) and high-static-low-dynamic-stiffness-system (HSLDSS) concepts. The results suggest the HSLDSS considered could be a practical solution for decreasing the response of the system to the vertical component of earthquake. Analytical and numerical …
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Public-private partnerships in space projects : an analysis of stakeholder dynamics
… system Galileo, the Japanese navigation system QZSS, the Japanese launch vehicle GX, and the U.S. launch vehicle families EELV. The PPP model passes these four tests. In the PPP model, three variables play important roles: conflicts of interest among parties, user satisfaction, and the private …
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Precise Point Positioning – The evolution of an alternative GNSS positioning solution
… services over NSW was tested using the Japanese QZSS service in an Australian first static and kinematic PPP case study. Despite of all these advances in PPP methodology, this thesis has found that PPP, in the near future, will not be able to replace conventional NRTK, but can offer national or …