基于FPGA的中波广播发射台自动化播控系统设计  

Design of Automatic Broadcast Control System for Medium Wave Broadcast Transmitter Based on FPGA

作　　者：莫子乐 MO Zile(Qingtian Broadcasting Station,Zhejiang Medium Wave Transmission Management Center,Qingtian 323000,China)

机构地区：[1]浙江省中波发射管理中心青田广播转播台,浙江青田323000

出　　处：《中国有线电视》2023年第1期56-59,共4页China Digital Cable TV

摘　　要：为解决中波广播发射台自动控制系统播控时间较长、对播放节点射频信号控制精度较低的问题,结合FPGA技术,对中波广播发射台自动化播控系统进行设计。根据FPGA程序的基本特征,为中波广播发射台的自动化播控系统搭建硬件环境,结合FPGA的智能化技术,分析处理中波广播台的射频信号,实现中波广播发射台的自动化播控。通过仿真模拟试验结果证明,此设计系统对1000个随机信号播控所用时间的平均值为5.29 s,具有实时性与高效性,对于5组不同节点播控结果的精准度最高为93%,具有较好的控制精度,能够为中波广播台的稳定运行提供有效的技术支持。In order to solve the problems of long broadcast control time and low control accuracy of the radio frequency signal of the playback node in the automatic control system of the medium wave broadcasting station,combined with FPGA technology,the automatic broadcasting control system of the medium wave broadcasting station is designed.According to the basic characteristics of the FPGA program,build a hardware environment for the automatic broadcast control system of the medium wave broadcasting station,combine the intelligent technology of FPGA,analyze and process the radio frequency signal of the medium wave broadcasting station,and realize the automatic broadcasting and control of the medium wave broadcasting station.The results of the simulation test prove that the average time used by this design system for broadcasting and controlling 1000 random signals is 5.29 s,which is real-time and efficient,and has good control precision and can provide effective technical support for the stable operation of medium wave broadcasting stations.

关 键 词：FPGA技术 中波广播发射台 播控系统 

分 类 号：TN838[电子电信—信息与通信工程]