简介：Earlyin1979,Chinabeganconsideringthedrawingupofalawtogovernandstandardizetheactivitiesofitscivilairoperations.Atthattime,airlegislationwassomethingnonexistentinChina.Thedraftteamassembledforcestotranslatetheairlawsofvariousforeigncountries,includingtheUnitedStates,Britain,JapanandtheformerSovietUnion,andtherelevantinternationalconventions,andconductedadeep-goingstudyofthem.TheyalsomadeinspectiontoursoftheUnitedStates,Canada,BritainandGermany.Onthebasisofthestudyofandwithreferencetotheadvancedlegislativepracticesinforeigncountries,thedraftteamputforwarditsfirstdraftoftheairlawinJuly1983,inaccordancewiththeactualconditionsofthecountry.Itwasnot,however,submittedtoanexecutivemeetingoftheStateCouncilforexaminationanddiscussionbecauseaseriesofmajorproblemssuchasairtrafficcontrolandthecontrolovertheairworthinessofaircraft,hadtobefurtherinvestigatedandstudied.

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简介：Longago,agroupofBeijingoperaartistsperformedtheRedPhoenixmythicaldancing,conqueringaudiencesintheUnitedStates.NowtheRedPhoenixdesignisusedbytheChinaInternationalAviationCorporation(CIAC)asitsregisteredmark,indicatingthatallitsairplanesflyinsafety,bringinghappinessandsuccessforallthepassengerseverywhereintheworld.Intheworldtoday,theairplanehasbecomeindispensable.Safety,reliability,comfortandconveniencearethemajorpointsthatconcernpassengers,andalsoakeyfor

简介：The“CivilAviation'shearingdocumentofreformschemeonthepriceofdomesticairtransportation”issuedbytheStateDevelopment&ReformCommisoiontoeveryNPCdeputy,statesthatmulti-gradefaresystemwillbeintroduced,ranging-managementonairlinefareswillbeimplemented,andthefaresareallowedtoincreaseby25%anddecreaseby40%onthebasesoftherefereneeprice.Buttheconsumers'representativeshavemanyoftheirownviewsonthissuggestionandthehearingdocument.

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简介：Inthefirsttowmonthsofthisyear,Chineseaviationindustryhadmadeagoodbeginning,withthevolumeofpassengertransportationincreasingby11%comparedwiththesameperiodoflastyear.Ifthesituationcangoonlikethis,

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简介：摘要：数字孪生，这一概念在现代工程领域中犹如一股清风，正在以惊人的速度改变着物理世界与数字世界互动的方式。它代表着一项技术革命，将物理世界的实体和过程与数字世界的虚拟模型相融合，为我们提供了前所未有的洞察和可能性。数字孪生不仅在工程领域广泛应用，而且在各个行业中都崭露头角，本文将把焦点聚集在数字孪生在航空维修方面的应用，探讨它如何改变了这一关键领域的方式，并提供了更高效、更安全的维修解决方案。

简介：Asanimportantapplicationresearchtopicoftheintelligentaviationmulti-station,collaborativedetectingmustovercometheproblemofscoutingmeasurementwithstatusof“fragmentation”,andtheNP-hardnessproblemofmatchingassociationbetweentargetandmeasurementintheprocessofscoutingtodata-link,whichhascomplicatedtechnicalarchitectureofnetworkconstruction.Inthispaper,takingadvantageofcooperationmechanismonsignallevelintheaviationmulti-stationsympatheticnetwork,amethodofobtainingtargettimedifferenceofarrival(TDOA)measurementusingmulti-stationcollaborativedetectingbasedontime-frequencyassociationisproposed.Themethodcannotonlyachievematchingbetweentargetanditsmeasurement,butalsoobtainTDOAmeasurementbyfurtherevolutionarytransactionthroughrefreshingsequentialpulsetimeofarrival(TOA)measurementmatrixformatchingandcorrelating.SimulationresultsshowthattheaccuracyofTDOAmeasurementhassignificantsuperiorityoverTOA,anddetectionprobabilityoffalseTDOAmeasurementintroducedbynoiseandfakemeasurementcanbereducedeffectively.

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简介：2003年是莱特兄弟驾驶“飞行者”（Flyer）号首飞一百周年，美国国内各航空展有许多庆祝活动，不过在恐怖攻击的阴影下，气氛去是相当紧张。事实上自2001年开始，美国各航展的主办单位已开始对采房媒体、观众实话严格安检，但2002年的安全措施更加严格，不只会场内到处都有荷枪实弹的卫兵在巡视，在某些活动会场制高点还布署了狙击小组，狙击小组配备狙击枪并且不时用望远镜观察会场状况，看了让人有些背脊发凉。