Time-Frequency Encyclopedia

Time-Frequency Encyclopedia

Focus on time and frequency, precise and stable.

Time-Frequency Encyclopedia

Time-Frequency Encyclopedia

Congratulations to Hong Hengli Petrochemical Procurement on successfully introducing a newly developed time synchronization device.

Congratulations to Hong Hengli Petrochemical Procurement on successfully introducing a newly developed time synchronization device.

05

2024

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11

Congratulations to Hongze New Ocean Gas Development Co., Ltd. on the procurement of Zhongxin Chuang’s time synchronization equipment.

Congratulations to Hongze New Ocean Gas Development Co., Ltd. on the procurement of Zhongxin Chuang’s time synchronization equipment.

29

2024

/

10

Clock Source Selection for NTP Servers

Clock Source Selection for NTP Servers

Atomic clocks are the gold standard for high‑precision timekeeping in NTP server clock sources. They rely on the precise transition frequencies of atoms to define time, achieving extraordinary accuracy—so fine that their error remains under one second over hundreds of millions of years. For research institutions, financial trading centers, and other environments with extremely stringent timing requirements, atomic clocks are the ideal choice as the primary time source for NTP servers. For example, in astronomical observations, accurate time is critical for recording the positions and trajectories of celestial objects; the ultra‑precise timing provided by atomic clocks ensures the reliability of observational data. However, atomic clocks are very expensive, complex to operate, and demanding to maintain, which limits their widespread use in typical network settings. GPS clocks are another common choice for time synchronization. Global Positioning System (GPS) satellites carry highly accurate atomic clocks, and NTP servers can receive GPS signals to obtain precise time. GPS‑based time sources offer excellent stability and accuracy, and they can readily provide reliable timing signals even in outdoor environments. Many telecommunications base stations use GPS clocks as their NTP server time source because they ensure synchronized timing across a wide geographic area, thereby supporting the smooth operation of communication networks. Nevertheless,

29

2024

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10

Congratulations to Siemens (China) Co., Ltd. on the procurement of the newly developed clock synchronization equipment project.

Congratulations to Siemens (China) Co., Ltd. on the procurement of the newly developed clock synchronization equipment project.

24

2024

/

10

Congratulations to Jiangxi Copper Corporation Limited on procuring the Zhongxin Chuang time synchronization equipment.

Congratulations to Jiangxi Copper Corporation Limited on procuring the Zhongxin Chuang time synchronization equipment.

22

2024

/

10

Congratulations to Ma’anshan Dangtu Power Generation Co., Ltd. on procuring the Zhongxin Chuang time synchronization equipment.

Congratulations to Ma’anshan Dangtu Power Generation Co., Ltd. on procuring the Zhongxin Chuang time synchronization equipment.

09

2024

/

10

Congratulations to Beijing Mining & Metallurgical Science and Technology Group Co., Ltd. on procuring the Zhongxin Chuang time synchronization equipment.

Congratulations to Beijing Mining & Metallurgical Science and Technology Group Co., Ltd. on procuring the Zhongxin Chuang time synchronization equipment.

26

2024

/

09

Zhongxin Chuangwei provides clock synchronization server equipment to Peking Union Medical College Hospital.

Zhongxin Chuangwei provides clock synchronization server equipment to Peking Union Medical College Hospital.

10

2024

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09

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