dsp3_1.mdl

1)生成2KHz和8KHz的混合信号

  BlockDefaults {
    Orientation		    "right"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    NamePlacement	    "normal"
    FontName		    "Arial"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    ShowName		    on
  }
  AnnotationDefaults {
    HorizontalAlignment	    "center"
    VerticalAlignment	    "middle"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    FontName		    "Arial"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    UseDisplayTextAsClickCallback off
  }
  LineDefaults {
    FontName		    "Arial"
    FontSize		    9
    FontWeight		    "normal"
    FontAngle		    "normal"
  }
  BlockParameterDefaults {
    Block {
      BlockType		      Scope
      ModelBased	      off
      TickLabels	      "OneTimeTick"
      ZoomMode		      "on"
      Grid		      "on"
      TimeRange		      "auto"
      YMin		      "-5"
      YMax		      "5"
      SaveToWorkspace	      off
      SaveName		      "ScopeData"
      LimitDataPoints	      on
      MaxDataPoints	      "5000"
      Decimation	      "1"
      SampleInput	      off
      SampleTime	      "-1"
    }
    Block {
      BlockType		      Sin
      SineType		      "Time based"
      TimeSource	      "Use simulation time"
      Amplitude		      "1"
      Bias		      "0"
      Frequency		      "1"
      Phase		      "0"
      Samples		      "10"
      Offset		      "0"
      SampleTime	      "-1"
      VectorParams1D	      on
    }
    Block {
      BlockType		      Sum
      IconShape		      "rectangular"
      Inputs		      "++"
      CollapseMode	      "All dimensions"
      CollapseDim	      "1"
      InputSameDT	      on
      AccumDataTypeStr	      "Inherit: Inherit via internal rule"
      OutMin		      "[]"
      OutMax		      "[]"
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "fixdt(1,16,0)"
      OutScaling	      "[]"
      OutDataTypeStr	      "Inherit: Same as first input"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
  }
  System {
    Name		    "dsp3_1"
    Location		    [173, 97, 776, 366]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "white"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "A4"
    PaperUnits		    "centimeters"
    TiledPaperMargins	    [1.270000, 1.270000, 1.270000, 1.270000]
    TiledPageScale	    1
    ShowPageBoundaries	    off
    ZoomFactor		    "100"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      Sum
      Name		      "Add"
      Ports		      [2, 1]
      Position		      [165, 92, 195, 123]
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^-10"
      OutDataTypeStr	      "Inherit: Inherit via internal rule"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.00005"
    }
    Block {
      BlockType		      Sum
      Name		      "Add1"
      Ports		      [3, 1]
      Position		      [185, 299, 215, 331]
      Inputs		      "+++"
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^-10"
      OutDataTypeStr	      "Inherit: Inherit via internal rule"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.00005"
    }
    Block {
      BlockType		      Reference
      Name		      "Digital\nFilter Design"
      Ports		      [1, 1]
      Position		      [265, 82, 330, 138]
      UserDataPersistent      on
      UserData		      "DataTag0"
      SourceBlock	      "dsparch4/Digital\nFilter Design"
      SourceType	      "Digital Filter Design"
      ShowPortLabels	      "FromPortIcon"
      SystemSampleTime	      "-1"
      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
      RTWMemSecDataConstants  "Inherit from model"
      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
      mwdsp_browser_bugfix_var off
    }
    Block {
      BlockType		      Reference
      Name		      "Digital\nFilter Design1"
      Ports		      [1, 1]
      Position		      [285, 287, 350, 343]
      UserDataPersistent      on
      UserData		      "DataTag1"
      SourceBlock	      "dsparch4/Digital\nFilter Design"
      SourceType	      "Digital Filter Design"
      ShowPortLabels	      "FromPortIcon"
      SystemSampleTime	      "-1"
      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
      RTWMemSecDataConstants  "Inherit from model"
      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
      mwdsp_browser_bugfix_var off
    }
    Block {
      BlockType		      Reference
      Name		      "Gaussian Noise\nGenerator"
      Ports		      [0, 1]
      Position		      [80, 358, 160, 402]
      SourceBlock	      "commnoisgen2/Gaussian Noise\nGenerator"
      SourceType	      "Gaussian Noise Generator"
      ShowPortLabels	      "FromPortIcon"
      SystemSampleTime	      "-1"
      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
      RTWMemSecDataConstants  "Inherit from model"
      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
      m			      "0"
      d			      "1"
      s			      "41"
      Ts		      "0.00005"
      frameBased	      off
      sampPerFrame	      "1"
      orient		      off
      outDataType	      "double"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [1]
      Position		      [475, 94, 505, 126]
      NamePlacement	      "alternate"
      AttributesFormatString  "%<AncestorBlock>"
      Floating		      off
      Location		      [741, 343, 1065, 582]
      Open		      off
      NumInputPorts	      "1"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      DataFormat	      "StructureWithTime"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope2"
      Ports		      [1]
      Position		      [455, 299, 485, 331]
      NamePlacement	      "alternate"
      AttributesFormatString  "%<AncestorBlock>"
      Floating		      off
      Location		      [796, 377, 1120, 616]
      Open		      off
      NumInputPorts	      "1"
      ZoomMode		      "xonly"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      SaveName		      "ScopeData2"
      DataFormat	      "StructureWithTime"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave"
      Ports		      [0, 1]
      Position		      [100, 45, 130, 75]
      Frequency		      "2000*2*pi"
      SampleTime	      "0.00005"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave1"
      Ports		      [0, 1]
      Position		      [100, 125, 130, 155]
      Frequency		      "8000*2*pi"
      Samples		      "2.5"
      SampleTime	      "0.00005"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave2"
      Ports		      [0, 1]
      Position		      [120, 250, 150, 280]
      Frequency		      "2000*2*pi"
      SampleTime	      "0.00005"
    }
    Block {
      BlockType		      Sin
      Name		      "Sine Wave3"
      Ports		      [0, 1]