ammask.mdl

matlab仿真程序

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  Created		  "Mon Jul 10 18:23:36 2000"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "obas"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Sun Aug 20 15:36:54 2000"
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  Solver		  "ode45"
  RelTol		  "1e-3"
  AbsTol		  "auto"
  Refine		  "1"
  MaxStep		  ".01"
  MinStep		  "auto"
  MaxNumMinSteps	  "-1"
  InitialStep		  "auto"
  FixedStep		  "auto"
  MaxOrder		  5
  OutputOption		  "RefineOutputTimes"
  OutputTimes		  "[]"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
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  FinalStateName	  "xFinal"
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  MaxDataPoints		  "1000"
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    VerticalAlignment	    "middle"
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  System {
    Name		    "ammask"
    Location		    [332, 74, 908, 474]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "automatic"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "183"
    AutoZoom		    on
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      SubSystem
      Name		      "Modulation"
      Ports		      [0, 1]
      Position		      [80, 53, 155, 97]
      ShowPortLabels	      on
      TreatAsAtomicUnit	      off
      RTWSystemCode	      "Auto"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      MaskType		      "AM modulator"
      MaskDescription	      "This is a simple AM modulation scheme"
      MaskHelp		      "This block performs amplitude modulation of a <"
"b> sawtooth </b>\nsignal of specified amplitude and frequency"
      MaskPromptString	      "Carrier Frequency|Source Frequency|Source Ampli"
"tude"
      MaskStyleString	      "edit,edit,edit"
      MaskTunableValueString  "on,on,on"
      MaskCallbackString      "||"
      MaskEnableString	      "on,on,on"
      MaskVisibilityString    "on,on,on"
      MaskVariables	      "freqc=@1;freqs=@2;amps=@3;"
      MaskDisplay	      "plot([0:.1:10],sin(freqc*[0:.1:10]));"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "200|1|1"
      System {
	Name			"Modulation"
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	AutoZoom		on
	Block {
	  BlockType		  Sin
	  Name			  "Carrier Wave"
	  Position		  [35, 25, 65, 55]
	  Amplitude		  "1"
	  Frequency		  "freqc"
	  Phase			  "0"
	  SampleTime		  "0"
	  VectorParams1D	  on
	}
	Block {
	  BlockType		  Product
	  Name			  "Product"
	  Ports			  [2, 1]
	  Position		  [130, 52, 160, 83]
	  Inputs		  "2"
	  Multiplication	  "Element-wise(.*)"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  SignalGenerator
	  Name			  "source"
	  Position		  [25, 90, 55, 120]
	  WaveForm		  "sawtooth"
	  Amplitude		  "amps"
	  Frequency		  "freqs"
	  Units			  "Hertz"
	  VectorParams1D	  on
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out1"
	  Position		  [185, 63, 215, 77]
	  Port			  "1"
	  OutputWhenDisabled	  "held"
	  InitialOutput		  "[]"
	}
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	  SrcPort		  1
	  Points		  [45, 0]
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	  DstPort		  1
	}
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	  SrcBlock		  "source"
	  SrcPort		  1
	  Points		  [55, 0]
	  DstBlock		  "Product"
	  DstPort		  2
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	  SrcPort		  1
	  Points		  [5, 5]
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	  DstPort		  1
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    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [1]
      Position		      [195, 59, 225, 91]
      Floating		      off
      Location		      [188, 365, 512, 604]
      Open		      off
      NumInputPorts	      "1"
      TickLabels	      "OneTimeTick"
      ZoomMode		      "on"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      Grid		      "on"
      TimeRange		      "auto"
      YMin		      "-5"
      YMax		      "5"
      SaveToWorkspace	      off
      SaveName		      "ScopeData"
      DataFormat	      "StructureWithTime"
      LimitDataPoints	      on
      MaxDataPoints	      "5000"
      Decimation	      "1"
      SampleInput	      off
      SampleTime	      "0"
    }
    Line {
      SrcBlock		      "Modulation"
      SrcPort		      1
      DstBlock		      "Scope"
      DstPort		      1
    }
    Annotation {
      Position		      [171, 177]
      Text		      "PART1\nModify the original AM modulation scheme"
"\nso that carrier frequency, source frequency and\namplitude are specified by"
" the user through a dialog\nbox. The carrier wave is displayed as the icon.\n"
"(It should change when carrier frequency changes)\n\n"
    }
  }
}