隱身技術(shù)-Stealth-technology2培訓(xùn)資料

Stealthtechnology第一頁，共16頁。Inthemodernwar,whohastechnicalsuperiority,whowillwinthewar

StealthtechnologyisoneofthemostimportanttechnologiesStealthfighterStealthwarshipStealthtank第二頁，共16頁。Whatisstealthtechnology?Accurateterms:lowdetectable(可探測(tàncè)）technique第三頁，共16頁。Intheearlydays,inordertoimprovethesurvivabilityoftheaircraft,peoplemaketheplaneflyhigherandfaster，suchas:SR-71U-2Butwiththedevelopmentofthemissile,thisideaisoutofdate第四頁，共16頁。Duringthe1970s,theU.SDepartmentofDefenselaunchedtheprojecttodevelopastealthfighter第五頁，共16頁。In1975,thefirstgenerationofstealthaircraftappearedF-117Itsradar-cross-section(RCS)isonly0.01m2Nighthawk(夜鷹(yèyīnɡ)）第六頁，共16頁。In1991,theGulfWar,itslippedintotheIraqiairspace,droppedthefirstbomb,destroyedIraq'sairdefensesystemandcommandcenterItalsoparticipatedintheKosovowarandtheIraqwar第七頁，共16頁。Thenthethirdgeneration:ThentheU.S.DefenseDepartmenthasdevelopedthesecondgenerationofstealthaircraft:B-2F-22F-35第八頁，共16頁。BycomparisonwecanfindhowtoachievestealthUniqueshape1Waveabsorbingmaterials2reducetheheatradiation3第九頁，共16頁。Isittruethatthestealthplanewillnotbefound?aslongasitiscloseenough,itwillbefoundbyradarPassiveradar(無源(wúyuán)雷達）canincreasetheprobabilityofaplanebeingdiscoveredNO第十頁，共16頁。OnMarth27th,1999,duringtheKosovowar,withthehelpofpassiveradar,Southalliance(南聯(lián)盟）shotdownaF-117OnMay7th,1999,TheUnitedStatesbombedtheChineseEmbassywithB-2第十一頁，共16頁。J-20Ourstealthfighter第十二頁，共16頁。Sharpsword(利劍(lìjiàn)）FC-31第十三頁，共16頁。ThisisthelatestNO.2017J-20Metalcoating（金屬(jīnshǔ)鍍膜）Preventradarwavefromshiningintocockpit(座艙）第十四頁，共16頁。J-20isthemostadvancedfighterinourcountry.However…Duckwing（鴨翼）F-22notdoagoodjobinreducingtheheatradia