GPS system time and its relation with other time

Optical molasses loaded from a slow atomic beam

A statistical analysis of astronomical records in《JIN SHI》and《YUAN SHI》

On e-VLBI technique and its applications in orbit determination of satellite

A ranging method based on SYNC-UL of TD-SCDMA

Design and simulation of an IIR filter based on FPGA

Ionospheric time-delay correction for C-band TWSTFT based on COMPASS observations

Analysis of GPS AV time comparison between NTSC and PTB

Design and implementation of precise time service system based on GNSS CV

Algorithm of intercalary months arrangement in the calendars of the Song Dynasty