New Frequency Standard Comparison System Based on the Group Quantization Phase Processing

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英文篇名：New Frequency Standard Comparison System Based on the Group Quantization Phase Processing 作者：DU ; Baoqiang ; DENG ; Ran ; SUN ; Xiyan ; FU ; Qiang 英文作者：DU Baoqiang;DENG Ran;SUN Xiyan;FU Qiang;School of Electronic Information Engineering, Zhengzhou University of Light Industry;School of Information and Communication, Guilin University of Electronic Technology; 英文关键词：Frequency standard comparison;;Group quantization phase;;Greatest common factor period;;Phase group synchronization 中文刊名：EDZX 英文刊名：电子学报(英文) 机构：School of Electronic Information Engineering, Zhengzhou University of Light Industry;School of Information and Communication, Guilin University of Electronic Technology; 出版日期：2019-03-15 出版单位：Chinese Journal of Electronics 年：2019 期：v.28 基金：supported by the National Natural Science Foundation of China(No.U1304618,No.41804155,No.61561016,No.61861008);; the National Key R&D Program of China(No.2018YFB0505103);; the Project of Higher Education Teaching Reform and Practice in Henan Province(No.2017SJGLX353);; Department of Science and Technology of Guangxi Zhuang Autonomous Region(No.AC16380014,No.AA17202048,No.AA17202033);; Sichuan Science and Technology Plan Project(No.17ZDYF1495);; Guilin Science and Technology Bureau Project(No.20160202,No.20170216);; Basic Ability Promotion Project of Young and Middle-Aged Teachers in Universities of Guangxi province(No.ky2016YB164) 语种：英文; 页：EDZX201902025 页数：6 CN：02 ISSN：10-1284/TN 分类号：173-178

摘要

A new frequency standard comparison system is proposed based on the group quantization phase processing. By shortening the width of phase coincidence fuzzy area and capturing the best group phase coincidences, we reduce the randomness of the counting gate and improve the measurement precision of the comparison system. The method is based on the Fieldprogrammable gate array(FPGA), which not only retains the advantage using phase synchronization detection technology to overcome the ±1-word counting error, but also accelerates the system response time, simplifies the measurement equipment, and reduces the development cost and power consumption. The experimental results show that the method is reasonable and scientific, and the comparison accuracy of the system can reach the E-12s~(-1) level, obviously superior to the measurement accuracy of the traditional frequency standard comparison method,which has a wide application and popularization value.
        A new frequency standard comparison system is proposed based on the group quantization phase processing. By shortening the width of phase coincidence fuzzy area and capturing the best group phase coincidences, we reduce the randomness of the counting gate and improve the measurement precision of the comparison system. The method is based on the Fieldprogrammable gate array(FPGA), which not only retains the advantage using phase synchronization detection technology to overcome the ±1-word counting error, but also accelerates the system response time, simplifies the measurement equipment, and reduces the development cost and power consumption. The experimental results show that the method is reasonable and scientific, and the comparison accuracy of the system can reach the E-12s~(-1) level, obviously superior to the measurement accuracy of the traditional frequency standard comparison method,which has a wide application and popularization value.

引文

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