CAJ | 학술논문

为解决某雷达数据接口系统工作不稳定、故障率高的问题，利用北斗导航模块的授时功能，通过FPGA读取北斗时间，为雷达数据提供准确的时间信息。在北斗模块1 PPS的同步下，生成雷达测距系统和角编码系统数据输出所需的时序信号，确保雷达按正确的时序将数据放置在总线上。设计中解决了时间信息与1 PPS不同步和原系统时序信号抖动较大的问题，在某雷达数据接口系统改造中得到成功应用。
위해결모뢰체수거접구계통공작불은정、고장솔고적문제，이용북두도항모괴적수시공능，통과FPGA독취북두시간，위뢰체수거제공준학적시간신식。재북두모괴1 PPS적동보하，생성뢰체측거계통화각편마계통수거수출소수적시서신호，학보뢰체안정학적시서장수거방치재총선상。설계중해결료시간신식여1 PPS불동보화원계통시서신호두동교대적문제，재모뢰체수거접구계통개조중득도성공응용。
A radar data interface system works unstably ,and the rate of failure is high , in order to solve these problems ,the interface circuit has to be redesigned .Using Beidou navigation module timing function ,the FPGA reads the Beidou time ,and provide accurate time information to radar data .In the synchronous of 1 PPS output by Beidou module ,tim‐ing signals are generated ,w hich is required by radar ranging system and angle code system w hen data output ,it can ensure that the radar puts the data on the bus in the correct time se‐ries .The design solves the problem of time information and 1 PPS not synchronized and the old system timing signal instability ,it has been successfully applied in the reconstruction of a radar data interface system .