Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Chunhao Han"'
Publikováno v:
Satellite Navigation, Vol 4, Iss 1, Pp 1-11 (2023)
Abstract The timescales incorporated into the Primary Frequency Standard (PFS) exhibit excellent stability and accuracy. However, during the dead time of PFS, the reliability of the timescale can be compromised. To address this issue, a resilient tim
Externí odkaz:
https://doaj.org/article/19b06b0f12ba43fdb3454704f9043df8
Publikováno v:
Frontiers in Veterinary Science, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/ff14fd4ecbe74d4499a65049da1e2a3b
Publikováno v:
Frontiers in Veterinary Science, Vol 10 (2023)
Eggshell membranes (ESM) contain 90% protein, 3% lipids, 2% sugars, and small amounts of minerals such as calcium and magnesium. Of the 90% of proteins present, 472 proteins species have been identified. ESM provide the initial mineralization platfor
Externí odkaz:
https://doaj.org/article/1c7a1b0c1a474026a564d856b624be1b
Publikováno v:
Satellite Navigation, Vol 2, Iss 1, Pp 1-10 (2021)
Abstract The BeiDou Navigation Satellite System (BDS) is essentially a precise time measurement and time synchronization system for a large-scale space near the Earth. General relativity is the basic theoretical framework for the information processi
Externí odkaz:
https://doaj.org/article/d85374e4be0740569c6b6d43f378ff05
Publikováno v:
Satellite Navigation, Vol 2, Iss 1, Pp 1-10 (2021)
The BeiDou Navigation Satellite System (BDS) is essentially a precise time measurement and time synchronization system for a large-scale space near the Earth. General relativity is the basic theoretical framework for the information processing in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a912b2f16635187071d51d4b5f14101
https://doaj.org/article/d85374e4be0740569c6b6d43f378ff05
https://doaj.org/article/d85374e4be0740569c6b6d43f378ff05
Autor:
Chunhao Han, Zhiwu Cai
Publikováno v:
Navigation. 66:49-53
The relationship between the proper time of a satellite clock and the geocentric coordinate time (TCG) is discussed in the framework of general relativity. The influences of Earth's shape and the tidal potentials of the Sun and Moon are analyzed for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f346ded88de9c5c5dc770518e33c7773
https://doi.org/10.1002/navi.294
https://doi.org/10.1002/navi.294
Publikováno v:
Chinese Astronomy and Astrophysics. 33:431-439
Time synchronization between satellite and station is the key technique of satellite navigation system and the foundation of realization of satellite navigation and positioning. Aiming at solving the problems of time synchronization, we have discusse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a25ad5d8574933fe9dd12fa1dfa3e973
https://doi.org/10.1016/j.chinastron.2009.09.009
https://doi.org/10.1016/j.chinastron.2009.09.009
Autor:
Chunhao Han
Publikováno v:
2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS).
The BeiDou Navigation Satellite System (BDS) is a global navigation satellite system to be developed independently by China. It will provide positioning, navigation, and timing services with a global coverage by 2020. It can be used for transport, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f74f050c69e74031e37bff955dbe7e5
https://doi.org/10.1109/ursigass.2014.6929050
https://doi.org/10.1109/ursigass.2014.6929050
Autor:
Zhiwu Cai, Chunhao Han
Publikováno v:
2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS).
With the rapid development of time-space measurement techniques, such as atomic clocks, astronomy satellites, space telescopes, and VLBI, SLR, LLR, GNSS et al, the spatial and temporal scales to measure is expanding, and the measurement precision is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cbec4af896ffd66984fba2e40d5e767
https://doi.org/10.1109/ursigass.2014.6928989
https://doi.org/10.1109/ursigass.2014.6928989
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9783642291746
Because prediction update of satellite clock correction parameters is considerable frequent, there are a large number of transition points in satellite clock predictions. The conventional Batch for fitted clock parameters usually ignores the relevanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d549192bd9bb5a870b60a648d0067e3
https://doi.org/10.1007/978-3-642-29175-3_48
https://doi.org/10.1007/978-3-642-29175-3_48
