JAVELIN一CLOSECOMBATMISSILESYSTEMMEDIUM：HEADQUARTERS,DEPARTMENTOFTHEARMY_部分3.docx

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1、Eyepiece5-32.Thegunnerviewsthedaysightimagesthroughtheeyepiece.StatusDisplay5-33.ThedaysightprovidesthegunnerwiththedayFOV.ThedayFOVisusedforscanninglargeareaswhilewaitingfortheNVStocool.WhilethedayFOViseffectiveingoodvisibilityconditions,thegunnerwillbeabletodistinguishverylittledetailaboutobjectss

2、eenduringperiodsoflimitedvisibility(Figure5-15).CLEARTARGETOBSCUREDTARGETFigure5-15.Exampledaysightimagesclearandrainy.NightVisionSight5-34.TheNVS(Figure5-16)convertsIRtargetimagesintovisibletargetimages.Thisallowsthegunnertoseetargetsinwideandnarrowfieldsofviewduringperiodsoflimitedvisibility.TheNV

3、Sconsistsofthe一QNVSlens.QDDC.QVideodisplay.找Flipperminor.*Statusdisplay.对Eyepiece.Chapter 5Figure5-16.NightvisionsightNightVisionSightLens5-35.WheninWFOVorNFOV,theNVSlens(Figure5-16)focusestheincoming1RlightontotheDDC.WideField-of-View5-36.TheWFOV(Figure5-17A)providesthegunnerwith4xmagnificationofth

4、etargetscene.Withanareaofcoverageapproximately6x4,WFOVcoversawideareasothatthegunnercanscanalargegeneraltargetscenetodetectpotentialtargets.However,thegunnerwillbeabletodistinguishverylittledetailaboutanygivenobject.Asaresult,WFOVisusedonlyforgeneralsurveillanceandtargetdetection.NarrowField-of-View

5、5-37.TheNFOV(Figure5-17B)providesthegunnerwithI2xmagnificationofthetargetscene.Withanareaofcoverageapproximately2x1.5,NFOVcoversasmallerareathantheWFOV,butallowsthegunnertoseepotentialtargetswithgreaterdetail.Therefore,NFOVisusedprimarilytoclassifyandrecognizetargets,butitcanalsobeusedforBDA.Figure5

6、-17.Nightvisionsightfieldsofview.DetectorDewarCooler5-# FM 3-22.37 20 March 20085-38.TheDDC(Figure5-18)convertstheIRtargetimagesintoelectricalsignals,whichpassthroughasignalprocessortothedisplay.DEWARCOOLERFigure5-18.Detectordewarcooler.VideoDisplay5-39.Thevideodisplayconvertstheelectricalsignalsfro

7、mtheDDCintovisibleimages.MinorsinsidetheCLUreflecttheimagessotheyappeartocomefromtheeyepiece.FlipperMinor5-40.TheflippermirrorallowsthegunnertoswitchbetweenthedaysightandtheNVSbypressingtheSGTSELswitch.ThisprovidestheJavelinwithitsintegrateddayandnightsightcapability.DaysightPosition5-41.Theflipperm

8、inorisinthedaysightpositionwhenthegunnerpowersuptheCLU.Whentheflippermirrorisinthedownposition,thegunnercanseedaysightimages(dayFOV)(Figure5-19).NightVisionSightPosition5-42.Whentheflippermirrorisintheupposition,thegunnercanseeNVSimages(WFOVandNFOV)(Figure5-19).Figure5-19.Flippermirrorpositions.Chap

9、ter 5StatusDisplay5-43.Thestatusdisplayprovidesinformationaboutequipmentoperation.Twolight-emittingdiodes(LEDs)locatedatthebottomoftheCLUdisplayprovideinformationduringdayFOV(Figure5-20A).Onthevideodisplay,variousiconsandtextmessagessuiTOundtheIRimageryinWFOV,NFOV,andseekerFOVtoprovidemorepreciseinf

10、ormation(Figure5-20B).(LEDs)ADAY FOVPRS$FLT FOR ENOCHrPCWFLTR ，ATTK F0 hCNUB.VIDEO DISPLAY(SYMBOLS AND TEXT MESSAGES) J， - 、. PRESS ATTK F(5-# FM 3-22.37 20 March 2008Figure5-20.Nightvisionsightstatusdisplay.Eyepiece5-44.Theeyepiece(Figure5-21)allowsthegunnertoviewthestatusindicatorsandimagesfromday

11、FOV,WFOV,NFOV,andseekerFOV.Itincludesalensassembly,eyecup,anddiopteradjustring.LensAssemblyEYECUPFigure5-21. Eyepiece.5-45ThelensassemblyprovidesthegunnerwiththefinalfocusoftheCLUdisplayimages.Itcontainsalensthatmovesinandoutwhenthegunnermovesthediopteradjustring.Eyecup5-46.Theeyecupisarubberbellows

12、equippedwithfourshutterpieces.ToviewCLUimages,thegunnermustpresshiseyeagainsttheeyecup,whichcausesthebellowstocollapseandtheshutterstoopen.Theeyecupcenterstheeyeonthelensassembly,assistsinmaintainingtheproperdistancefromthelensassemblytotheeyeforviewingtheCLUimages,andprovidesvisiblelightsecuritywhe

13、ntheCLUisonbutthegunnerisnotlookinginside.DiopterAdjustRing5-47.ThediopteradjustringislocatedontheCLUeyepiece.Itisahand-rotatedringthatadjuststhefocusoftheCLUdisplayimagetogunnersvisionlevel.ShockAbsorbers5-48.Theshockabsorbers(Figure5-22)attachedtotheoutsideoftheCLUsmainhousinghelpprotecttheequipme

14、ntduringfieldoperations.Oneabsorberisafaceshieldthatprotectsthegunnefsfaceduringmissilelaunch.HandgripsFigure5-22.Shockabsorbers.5-49.Thehandgrips(Figure5-23)areattachedtoeithersideofthemainhousing.TheyprovideameansforthegunnertoholdtheCLUandareequippedwithgunnercontrolsthatallowthegunnertodirectall

15、Javelinoperations.Chapter 5Figure5-23.Handgrips.ControlsandIndicators5-50.Mostofthecontrolsarelocatedonthehandgrips,withtheexceptionofthediopteradjustringandpowerswitch.Thediopteradjustringislocatedontheeyepiece,andthepowerswitchislocatedontheCLUmainhousing.DiopterAdjustRing5-51.Thediopteradjustring(Figure5-24)ishand-rotatedtoadjustthefocusoftheCLUdisplayimagestothegunnersvisionlevel.Anygunnerwithvisioncorrectableto20/20canusetheCLUandseeanin-focusimagewithoutusingglasses.Whenwearingaprotectivemask,theg