机载电台无线电通信原理VIP免费

第1页共13页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共13页飞机机载电台无线电通信原理【摘要】本论文主要阐述飞机无线电通信的原理、组成以及应用。首先是介绍了飞机通信的概况，然后进一步说明无线电通信的原理以及实现方法，其实现主要利用调幅、调频和单边带调制等高频电子技术，此外论文还涉及了无线电抗干扰噪音抑制、载波抑制即编码抑制等内容，最后对无线电通信技术的发展前景如跳频、扩展频谱通信及数字通信作了描述。关键词：飞机通信调制/解调Abstract:Thecaptionmainlyexpoundstheprinciplesofaircraftradiocommunication,compositionandapplication.Thefirstpartissummaryofaircraftcommunications,andthenabetterdepictionoftheprinciplesandtherealizationmethod,itsimplementationusingmainlyAM,FMandsinglesidebandmodulationhigh-frequencyelectronictechnology,inadditiontopaperalsodealswiththeradiointerferencenoisesuppression,carrier-suppressed,thatthecodesuppressionetc.Atlast,theprospectsforthedevelopmentofradiocommunicationstechnology,suchasfrequencyhopping,spreadspectrumcommunicationsanddigitalcommunications,brieflydescribe.Keywords:AircraftCommunicationmodulation/demodulation目录1飞机通信...............................................................................................................................................32.无线电通信原理...................................................................................................................................3第2页共13页第1页共13页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共13页2.1无线电波的分类............................................................................................................................32.2无线电波传播方式........................................................................................................................42.2.1地波（地表面波）传播........................................................................................................42.2.2直射波传播............................................................................................................................42.2.3天波传播................................................................................................................................42.2.4散射传播...............................................................................................................................42.3无线电波的特点............................................................................................................................52.3.1短波........................................................................................................................................52.3.1.1短波传播途径....................................................................................................................52.3.1.2短波频率范围....................................................................................................................52.3.2超短波....................................................................................................................................63无线电通信的实现方法.......................................................................................................................63.1调制................................................................................................................................................63.1.1调幅................