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National Timing Center Fiber Optic Gyroscope Successfully Monitored Ningqiang Earthquake In 85 Seconds
Nov 20, 2018

The environment of the large-scale fiber optic gyroscope is demanding. The National Time Service Center of the Chinese Academy of Sciences places the gyroscope at about 30 meters underground in the Bocheng Timeline of the Pucheng County. The good condition of the constant temperature and humidity microvibration is the gyroscope data measurement. Provides an ideal environment.


As a new world-time UT1 measurement technology, the large-scale fiber optic gyroscope solves the world time UT1 by measuring the instantaneous angular velocity of the Earth's rotation and combining with the Earth's rotation model. Its advantages are high precision, good real-time performance, and its solid state and no motion. Components, which have significant advantages in terms of stability and longevity, are important means to establish a world-wide UT1 system in China.


With the further improvement and upgrade of the large-scale fiber optic gyroscope by the National Time Service Center, it will become a national weapon for the basic disciplines such as UT1 measurement and geophysical research in the world.


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