预览加载中，请您耐心等待几秒...

调频广播对民航地空通信频率干扰的原因及解决措施分析.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

调频广播对民航地空通信频率干扰的原因及解决措施分析 Title:AnalysisoftheCausesandSolutionsofInterferencetoCivilAviationAeronauticalCommunicationFrequenciesbyFMRadioBroadcasting Introduction: Civilaviationreliesheavilyonefficientandreliablecommunicationsystemsforsafeandsmoothoperations.AsignificantchallengethatarisesinthisdomainistheinterferencecausedbyFMradiobroadcastingontheaeronauticalcommunicationfrequencies.Thispaperaimstoanalyzethecausesofinterferenceandproposepotentialsolutionstomitigatetheproblem,ensuringtheuninterruptedflowofcommunicationbetweenairtrafficcontrolandaircraft. CausesofInterference: 1.FrequencyOverlap:OneoftheprimarycausesofinterferenceistheoverlappingoffrequenciesbetweentheFMradiobroadcastingandaeronauticalcommunicationsystems.Thisoverlapoccursduetothelimitedfrequencyspectrumavailableforbothsystems.Insomecases,adjacentfrequenciescouldinterferewitheachother,leadingtosignaldistortionorloss. 2.TransmitterPowerandLocation:AnothercontributortointerferenceisthehighpoweroutputofFMradiotransmitters.AsairportsandaeronauticalcommunicationfacilitiesareoftenlocatednearurbanareaswithnumerousFMradiostations,thestrongsignalsemittedbythesetransmitterscanoverpowerordisrupttheaviationsystem'ssensitivereceivers. 3.AntennaOrientationandAlignment:PoororientationandalignmentofFMradioantennascouldleadtotheirradiatedsignalsstrayingintotheaviationcommunicationfrequencies.Thismisalignmentcancausesignaldegradationorcompletedisruption. 4.SignalReflectionandPropagation:Signalreflectionandpropagationphenomenacanalsocontributetointerference.ReflectionsfrombuildingsorotherstructurescanredirectFMradiosignalstowardsaviationcommunicationfrequencies,causinginterruptionsandreducedsignalquality. Solutions: 1.FrequencyCoordination:Efficientcoordinationamongregulatoryauthorities,FMradiobroadcasters,andcivilaviationorganizationsisvitaltoidentifyandallocateexclusivefrequencybandsforeachsystem.Thiscoordinationcanhelpmitigatefrequencyoverlapandminimizeinterferenceissues. 2.FilteringandShielding:Implementationofadv