SELEX二次雷达接收机单元风扇告警机制分析  

Analysis of the alarm mechanism for the fan of the SELEX secondary radar receiver unit

作　　者：蒋伍奎 Jiang Wukui(Chongqing Branch of CAAC Southwest Air Traffic Control Bureau,Chongqing 401120,China)

机构地区：[1]中国民用航空西南地区空中交通管理局重庆分局,重庆401120

出　　处：《无线互联科技》2024年第5期10-12,共3页Wireless Internet Technology

摘　　要：近年来,随着民航事业的快速发展,二次雷达在民用航空飞行安全保障中发挥至关重要的作用。接收机是系统的核心部分,它结构复杂,运行环境要求高。整个雷达系统的稳定性也依赖于完善的告警机制。文章以SELEX_SIR-S二次雷达为例,介绍了其接收机单元风扇告警机制,对该型号雷达接收机单元风扇出现告警的案例进行了详细分析。文章通过介绍硬件设备和监控信号,阐述了接收机控制和监视板的基本作用及SELEX_SIR-S二次雷达接收机单元风扇自检信号检测机制。In recent years,with the rapid development of the civil aviation industry,secondary radar has been crucial in ensuring the safety of civil aviation flight.The receiver is the core part of the system,with a complex structure and high operating environment requirements.The stability of the entire radar system also depends on a sound alarm mechanism.SELEX_SIR-S secondary radar is taken as an example to introduce the receiver unit fan alarm mechanism and analyze the case of the radar receiver unit fan alarm in detail.Through the introduction of hardware equipment and monitoring signals,the basic function of receiver control and monitoring board and the fan self-test signal detection mechanism of SELEX_SIR-S receiver secondary radar unit are described.

关 键 词：SELEX_SIR-S二次雷达接收机 接收机控制和监视板 74LS123单片机 

分 类 号：TN957[电子电信—信号与信息处理]