Analysis and comparison of code tracking performance for BPSK-R signal and BOC signal

Analysis of influence of timescale deviationupon pseudorange measurement

A design of NTP time server based on W5100

Study on the usage of hydrogen clock in time keeping

A design of portable low frequency time-code receiver based on FPGA

Application of CPLD to frequency synthesizer circuit of atomic clock

Progress of the research on narrow-linewidth laser at 698 nm

A DFB laser-pumped rubidium atomic frequency standard

Time measuring/calculating in Song dynasty

Discrepancies of calendar elements between astronomical recordsin 24 Histories and ChenYuan′s historical calendar