TY - JOUR AU - Jian Yao AU - Thomas Parker AU - Judah Levine BT - Measurement Science and Technology DA - 2017-11 DO - 10.1088/1361-6501/aa8373 PY - 2017 EP - 115004 T2 - Measurement Science and Technology TI - JY1 time scale: a new Kalman-filter time scale designed at NIST UR - http://stacks.iop.org/0957-0233/28/i=11/a=115004?key=crossref.8b8cdefce2fffce8a0bfd8474227e981 VL - 28 SN - 0957-0233 ER -