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本文介绍了DVOR导航设备的功能和工作原理,详细说明了DVOR-VRB-51D SGN组件的系统组成、结构、信号流程和波形的矢量分析,阐明了各种参数的功能和意义。与实践经验相结合,对其组件在日常维护过程中出现的边带失锁和边带告警两次典型故障进行分析,提出解决方法和理论依据,为DVOR导航设备的维修和维护提供一些参考。
This paper introduces the function and working principle of DVOR navigation equipment, and details the system composition, structure, signal flow and waveform analysis of DVOR-VRB-51D SGN components, clarifies the function and significance of various parameters. Combining with practical experience, this paper analyzes two typical failures of sideband lockout and sideband alarm during routine maintenance of its components, and proposes solutions and theoretical basis for providing some references for the maintenance and maintenance of DVOR navigation equipment.