基于ZYNQ7020的高速闪电信号采集系统设计  

Design of High speed Lightning Signal Acquisition System Based on ZYNQ7020

作　　者：武柏 谭歆[1] 朱鸿熙 赵东岩 WU Bai;TAN Xin;ZHU Hongxi;ZHAO Dongyan(School of Electronic Information and Artificial Intelligence,Shaanxi University of Science and Technology,Shaanxi 710021,China;Xi'an Bazhentu Electronic Technology Co.,Ltd.,Shaanxi 710100,China)

机构地区：[1]陕西科技大学电子信息与人工智能学院,陕西710021 [2]西安八阵图电子科技有限公司,陕西710100

出　　处：《集成电路应用》2024年第12期28-29,共2页Application of IC

基　　金：陕西省重点研发计划项目(2020GY-091);陕西科技大学博士科研基金(2020BJ-49)

摘　　要：阐述针对闪电定位仪通过闪电回击辐射的电磁波特征感知闪电参数,系统设计采用Xilinx ZYNQ7020为主控芯片,通过优化AD7606芯片的工作时序,提高瞬时电磁波信号的高速数据采集和转换,实现甚低频闪电信号的高速数字化与触发时间标记,并通过国产北斗导航定位系统和高稳度晶振完成时间同步标记,实现时间基准模块0.1μs的授时精度。This paper describes the perception of lightning parameters by lightning locator through the electromagnetic wave characteristics of lightning return radiation.The system design uses Xilinx ZYNQ7020 as the main control chip,optimizes the working timing of AD7606 chip,improves the highspeed data acquisition and conversion of instantaneous electromagnetic wave signals,and realizes the high-speed digitization and triggering time marking of very low frequency lightning signals.It completes time synchronization marking through the domestic Beidou navigation positioning system and high stability crystal oscillator,achieving a timing accuracy of 0.1μs for the time reference module.

关 键 词：电路设计 FPGA ZYNQ7020 AD7606 同步标记 时间基准 

分 类 号：TN402[电子电信—微电子学与固体电子学] TP274[自动化与计算机技术—检测技术与自动化装置]