supported by the National Natural Science Foundation of China(No.41774093).
The short-term effect of heavy rainfall on gPhone gravimeter observation at Zhengzhou Seismic Station is investigated.According to the observation data during Jul.17–20,2021,the corrected gravity residual reflects th...
supported by grants from the Seismological Science and Technology Spark Program of China Seismological Bureau(grant number XH23026C);the National Natural Science Foundation of China(grant number41204058)。
The Debao MS4.8 earthquake occurred in western Guangxi on August 5,2021,near where the Jingxi MS5.2 earthquake occurred in 2019.To study the increasing seismicity in western Guangxi,it is necessary to determine whethe...
Supported by the National Natural Science Foundation of China(Nos.42192535,41876136);the Guangdong Special Support Program(No.2019BT02H594)。
A new gravity sensor based on electromagnetic damping for the JMGrav marine gravimeter is presented.The new gravity sensor considered the advanced construction methods of the electromagnetic damping system of the grav...
funded by the National Key Research and Development Program(Grant No.2021YFB3201603);the National Natural Science Foundation of China(Grant No.42274228)
MEMS sensors have the advantages of small volume,lightweight,and low cost,therefore,have been widely used in the fields of consumer electronics,industry,health,defence,and aerospace.With their ever-improving performan...
funded by The National Natural Science Foundation of China(No.41774015,41704135 and U1939204);National Key Research and Development Project of China(No.2018YFE0206100,2017YFC1500204)。
Previous studies show that the calculated loading effects from global ocean tide models do not match actual measurements of gravity attraction and loading effects in Southeast Asia.In this paper,taking advantage of a ...
Project supported by the National Key R&D Program of China(Grant No.2016YFA0301601);the National Natural Science Foundation of China(Grant No.11674301);Anhui Initiative in Quantum Information Technologies,China(Grant No.AHY120000);Shanghai Municipal Science and Technology Major Project,China(Grant No.2019SHZDZX01).
Compact atomic gravimeters are the potential next generation precision instruments for gravity survey from fundamental research to broad field applications.We report the calibration results of our home build compact a...
supported by the National Key R&D Program of China (No. 2016YFA0301601);National Natural Science Foundation of China (No. 11674301);Strategic Priority Research Program on Space Science of the Chinese Academy of Sciences (No. XDA15020000);Anhui Initiative in Quantum Information Technologies (No. AHY120000);Shanghai Municipal Science and Technology Major Project (No. 2019SHZDZX01);funded by the Youth Program of National Natural Science Foundation of China (No. 11804019)。
The gravimeter based on atom interferometry has potential wide applications on building gravity networks and geophysics as well as gravity assisted navigation. Here, we demonstrate experimentally a portable atomic gra...
Project supported by the National Key R&D Program of China(Grant No.2016YFA0301601);the National Natural Science Foundation of China(Grant No.11674301);Anhui Initiative in Quantum Information Technologies,China(Grant No.AHY120000);Shanghai Municipal Science and Technology Major Project,China(Grant No.2019SHZDZX01).
For an atomic gravimeter,the measured value of the Earth’s gravity acceleration g is the projection of the local gravity on the direction of Raman laser beams.To accurately measure the g,the Raman laser beams should ...
Project supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB 21030200);the National Natural Science Foundation of China(Grant No.11904408).
The measurement performance of the atom interferometry absolute gravimeter is strongly affected by the ground vibration noise.We propose a vibration noise evaluation scheme using a Michelson laser interferometer const...
In September 2019, the Dubai Municipality of Dubai Emirate, the United Arab of Emirates, has received its first Scintrex CG-6 Autograv gravity meter. This paper describes the installation and initial gravity signals w...