find

View properties of metal or dielectric material

Since R2021a

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    Syntax

    s = find(catalog,name)

    Description

    s = find(catalog,name) shows the properties of name from the metal or dielectric catalog.

    example

    Examples

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    Open Live Script

    Open the metal catalog.

    mc = MetalCatalog;
open(mc)

    Figure Metal Materials contains objects of type uimenu, uitoolbar, uitable.

    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)

    Figure contains an axes object. The axes object with title hornCorrugated antenna element, xlabel x (mm), ylabel y (mm) contains 3 objects of type patch, surface. These objects represent Brass, feed.

    Open Live Script

    Open the dielectric catalog.

    dc = DielectricCatalog;
open(dc)

    Figure Dielectric Materials contains objects of type uimenu, uitoolbar, uitable.

    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)

    Figure Dielectric Materials contains an axes object. The axes object with title cavity antenna element, xlabel x (mm), ylabel y (mm) contains 6 objects of type patch, surface. These objects represent PEC, feed, Foam.

    Input Arguments

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    Metal or dielectric catalog, specified as a MetalCatalog or DielectricCatalog object.

    Name of a metal or dielectric from the catalog, specified as a string.

    Example: "FR4"

    Example: "Copper"

    Data Types: string

    Output Arguments

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    Parameters of the specified metal or dielectric, returned as a structure.

    Version History

    Introduced in R2021a

    See Also

    Objects