National Time Service Center

Recent papers from National Time Service Center

1. Day-boundary discontinuity elimination method of PPP time transfer with “0 to 0” orbit and clock productsMetrologia · 2026
2. GeoClock: Physics-Guided Causal Temporal Learning for GNSS Fault Detection and Classification Under Domain ShiftGeomatics · 2026
3. An Optical Frequency-Assisted Microwave Two-Way Time-Difference Measurement LinkElectronics · 2026
4. Approaching the intrinsic bandwidth limit: A unified method for balanced homodyne detector designReview of Scientific Instruments · 2026
5. An approximately 70-year core-related modulation of Earth rotation and its implications for the leap secondEarth Planets and Space · 2026
6. A multi-tier PPP-RTK positioning method based on correction-product availabilityFrontiers in Astronomy and Space Sciences · 2026
7. Full differential spectroscopy for high-stability vapor cell optical frequency referenceCommunications Physics · 2026
8. Robust Demodulation of eLoran Tri-State PPM via Multi-Scale Spatiotemporal ModelingSensors · 2026
9. Remote Performance Evaluation of High-Precision Timekeeping Systems Based on BDS Real-Time PPPSensors · 2026
10. Bounding the Photon Mass With Pulsar Timing Observation Data From Multi‐TelescopesAstronomische Nachrichten · 2026
11. A Three-Layer Adaptive Kalman Filter Approach for Multi-Source Time Fusion Using Temperature-Compensated Oscillators with GNSS and eLoran BackupSensors · 2026
12. First trigonometric parallax measurements with the KVN and VERA Array (KaVA)Publications of the Astronomical Society of Japan · 2026
13. High-Precision UT1 Prediction with Different Angular Momentum Combination SchemesUniverse · 2026
14. Compact modulation transfer spectroscopy module for laser frequency stabilization in transportable rubidium fountain clocksOptics & Laser Technology · 2026
15. Polarization‐Insensitive VO 2 /Graphene/Diamond Heterostructure Metasurface With Dynamic Broadband/Narrowband TunabilityAnnalen der Physik · 2026
16. Dynamic control of a narrow-line red magneto-optical trap for strontium atoms under microgravityAIP Advances · 2026
17. Improving real-time PPP time transfer with the augmentation of predicted tropospheric productsGPS Solutions · 2026
18. An improved picosecond-level laser time transfer for China’s space stationJournal of Geodesy · 2026
19. Rapid quasi-periodic reconfiguration of the accretion column in pulsar 1A 0535+262Nature Communications · 2026
20. GNSS/eLoran Fusion-Based RAIM for Satellite-Deficient EnvironmentsSensors · 2026