Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Shaowu Dong"'
Publikováno v:
大数据, Vol 7, Pp 120-127 (2021)
The time-frequency system has become national strategic resource.The application of time-frequency scientific data is related to communications, electricity, transportation, warfare, etc.It has important practical significance for the sorting, manage
Externí odkaz:
https://doaj.org/article/c86e533e5b3c4586b486e73c0bd63250
Publikováno v:
Advances in Space Research. 71:4018-4029
Publikováno v:
IEEE Instrumentation & Measurement Magazine. 25:19-24
Autor:
Jihai Zhang, Shaowu Dong, Haibo Yuan, Wei Guang, Yu Zhang, Jian Zhang, Meng Jiang, Huijie Song
Publikováno v:
IEEE Instrumentation & Measurement Magazine. 25:30-40
Publikováno v:
IEEE Instrumentation & Measurement Magazine. 24:18-22
Time comparison based on global navigation satellite system (GNSS) is one of the main techniques in Coordinated Universal Time (UTC) calculation. At present, there is a goal to promote the Galileo system to join the UTC calculation to provide high-pr
Publikováno v:
Russian Journal of Plant Physiology. 67:76-84
Tocopherol (vitamin E) is widely recognized as a cellular antioxidant and can prevent oxidative damage during seed quiescence and dormancy in all angiosperms. Tocopherols biosynthesis was highly accumulated in blackberry seeds, but limited study was
Publikováno v:
GPS Solutions. 25
Two-way satellite time and frequency transfer (TWSTFT) and GPS precise point positioning (GPS PPP) time transfer are two independent techniques for the generation of coordinated universal time. The advantages of TWSTFT are its high accuracy, characte
Publikováno v:
2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS).
In March 2020, Two-Way Satellite Time and Frequency Transfer based on SDR-TWSTFT (Software Defined Receiver) link data has been used in the calculation of TAI (International Atomic Time) for the first time. Improving the reliability and stability of
Publikováno v:
Metrologia. 55:350-359
Publikováno v:
Chinese Astronomy and Astrophysics. 42:279-290
The simulation methods of different kinds of noises of atomic clocks are given. The frequency flicker noise of atomic clocks is studied by using the Markov process theory. The method for estimating the maximum interval error of the frequency white no