Design and Implementation of Time-Frequency Taming Algorithm of Rubidium Atomic Clock Based on FPGA
Year: 2025
Type: article
Abstract: Synchronously improving the accuracy of time and frequency sources in electronic measurement systems can enhance measurement precision. Fully combining the good long-term stability of 1pps output from satellite navigation receiver and the good terminal stability of rubidium atomic clock, a frequency and time-locked algorithm based on second-order digital phase-locked loop is designed, which integrates frequency taming and time synchronization, and is implemented based on FPGA; The test results show that the algorithm can obtain a better accuracy 1PPS time signal while taming the frequency with good long-term stability external 1pps.
Authors: Songfei Sun, Yuanhang Hou, Yiheng Lv, Zhiming Wang, Qun Chen
Institutions: Henan Polytechnic University, Henan Polytechnic
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4409555249