摘要
Inmodernterrain-followingguidanceitisanimportantindexforflightvehicletocruiseaboutsafelyandnormally.Onthebasisofaconstructingmethodofdigitalsurfacemodel(DSM),thedefinition,classificationandscaleanalysisofanisolatedobstaclethreateningflightsafetyofterrain-followingguidancearemade.Whentheintervalofverticalandcross-sectionsonDSMis12.5m,theproportionofisolatedobstaclestothedataamountofDSMmodeltobeloadedisoptimal.Themainfactorsinfluencingthelowestflyingheightinterrain-followingguidanceareanalyzed,andaprimarysafecriterionofthelowestflyingheightoverDSMmodelisproposed.Accordingtotheirtesterrors,thelowestflyingheightover1:10000DSMmodelcanreach40.5m-45.0minterrain-followingguidance.Itisshownfromthesimulationresultsofatypicalurbandistrictthattheproposedmodelsandmethodsarereasonableandfeasible.
出版日期
2004年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
