民航地空通信系统话音比选技术分析与研究  

Analysis and Research on Voice Comparison and Selection Technology for Civil Aviation Air--ground Communication System

作　　者：李勇 LI Yong(Ningxia Branch of Northwest Regional Air Traffic Management of CAAC,Yinchuan Ningxia 750009)

机构地区：[1]中国民用航空西北地区空中交通管理局宁夏分局,宁夏银川750009

出　　处：《长沙航空职业技术学院学报》2024年第1期21-25,共5页Journal of Changsha Aeronautical Vocational and Technical College

摘　　要：对于民航地空通信中同频异址台的接收信号,我们需要采用比选技术选出信号质量最佳的一路送给管制员,从而避免多路信号叠加带来的叠音混响及由于时延不同导致的回音等问题。讨论同频异址台接收信号时的比选技术,对传统的模拟话音信号比选技术和VoIP话音信号比选技术进行分析与研究,以阐述相关实现方法与技术优劣。For the reception signals of the same frequency but different address stations in civil aviation ground air communication,we need to use comparison and selection technology to select the signal with the best quality and send it to the controller,in order to avoid problems such as overlapping reverberation caused by multiple signals and unclear echo due to different time delays.This paper focuses on the comparison and selection techniques when receiving signals from the same frequency but different address stations.It analyzes and studies the traditional analog voice signal comparison and VoIP voice signal comparison techniques,and elaborates on the relevant implementation methods and technical advantages and disadvantages.

关 键 词：最佳信号选择 话音信号比选 VOIP 

分 类 号：V355.1[航空宇航科学与技术—人机与环境工程] TN912.3[电子电信—通信与信息系统]