Author Affiliations +
Jiayu Bu,1,2,3 Dongdong Jiao,1,3 Guanjun Xu,1,2,3 Qi Zang,1,3 Tao Liu,1,2,3 Ruifang Dong,1,2,3 Shougang Zhang1,2,3
1National Time Service Center (China)
2University of Chinese Academy of Sciences (China)
3Key Laboratory of Time and Frequency Standards (China)