学科分类
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3 个结果
  • 简介:Thegeometricaltheoryofdiffraction(GTD),combinedwithFouriertransformation,hasbeenappliedtotheback-scatteringonafinite-lengthrigidcircularcylinderduetoanarrowsoundbeam.Thetheoreti-calresultsareconfirmedbythemodelexperiment.

  • 标签: cylinder circular NARROW superposition length NEGLECTED
  • 简介:Thispapergivesthedirectivityfunctionofasectoralmul-ti-elementcylinderarray,analyzeitsphasefactor,explainindetailthesideloberejectionbyselectingthenumberofelements,bafflingandamplitudeweighting.Theyareparticularlyusefulfordirectionaltrackingofacousticalsignalandtargetlocating.

  • 标签: weighting REJECTION CYLINDER directional selecting locating