open
Syntax
Description
Examples
Open the metal catalog.
mc = MetalCatalog; open(mc)

List the properties of the metal material Brass.
s = find(mc,"Brass")s = struct with fields:
            Name: 'Brass'
    Conductivity: 15900000
       Thickness: 0.6800
           Units: 'mm'
        Comments: ''
Use the material Brass as a metal in a corrugated horn antenna.
m = metal("Brass");
ant = hornCorrugated(Conductor=m)ant = 
  hornCorrugated with properties:
               FlareLength: 0.0428
                FlareWidth: 0.0900
               FlareHeight: 0.0800
                    Length: 0.0229
                     Width: 0.0102
                    Height: 0.0075
                 FeedWidth: 8.0000e-05
                FeedHeight: 0.0037
                FeedOffset: [-0.0020 0]
    FirstCorrugateDistance: 0.0160
            CorrugateDepth: [0.0050 0.0100]
            CorrugateWidth: 0.0030
                     Pitch: 0.0060
                 Conductor: [1×1 metal]
                      Tilt: 0
                  TiltAxis: [1 0 0]
                      Load: [1×1 lumpedElement]
View the antenna using show function.
figure show(ant)

Open the dielectric catalog.
dc = DielectricCatalog; open(dc)

List the properties of the dielectric material Foam.
s = find(dc,"Foam")s = struct with fields:
                     Name: 'Foam'
    Relative_Permittivity: 1.0300
             Loss_Tangent: 1.5000e-04
                Frequency: 50000000
                 Comments: ''
Use the material Foam as a dielectric in a cavity antenna of height and spacing, 0.0060 m.
d = dielectric("Foam");
c = cavity(Height=0.0060,Spacing=0.0060,Substrate=d)c = 
  cavity with properties:
            Exciter: [1×1 dipole]
          Substrate: [1×1 dielectric]
             Length: 0.2000
              Width: 0.2000
             Height: 0.0060
            Spacing: 0.0060
    EnableProbeFeed: 0
          Conductor: [1×1 metal]
               Tilt: 0
           TiltAxis: [1 0 0]
               Load: [1×1 lumpedElement]
show(c)

Input Arguments
Catalog to open, specified as either a MetalCatalog or
              DielectricCatalog object.
Version History
Introduced in R2021a
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