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physics.ins-det2022★ 131 cited
113 km Free-Space Time-Frequency Dissemination at the 19th Decimal Instability
Qi Shen, Jian-Yu Guan, Ji-Gang Ren +28
Optical clock networks play important roles in various fields, such as precise navigation, redefinition of "second" unit, and gravitational tests. To establish a global-scale optic…
physics.ins-det2014★ 10 cited
A Multi-chain Measurements Averaging TDC Implemented in a 40 nm FPGA
Qi Shen, Shubin Liu, Binxiang Qi +4
A high precision and high resolution time-to-digital converter (TDC) implemented in a 40 nm fabrication process Virtex-6 FPGA is presented in this paper. The multi-chain measuremen…