RT Journal T1 Remote calibration system for frequency based on in-place benchmark A1 Xiaobin HONG, Guixiong LIU, Zhuokui WU, Xipeng DU, PB Front. Mech. Eng. FD 2010-09-05 YR 2010 JF Frontiers of Mechanical Engineering JO Front. Mech. Eng. VO 5 IS 3 SP 316 DO 10.1007/s11465-010-0021-1 K1 remote calibration; in-place benchmark; frequency comparison; global position system (GPS) LK {https://journal.hep.com.cn/fme/EN/article/article_10056.shtml}