dds_lr.mdl

直接频率合成仿真源程序,希望有人能用到.

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      SampleTime	      "-1"
      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      OutputWhenDisabled      "held"
      InitialOutput	      "[]"
    }
    Block {
      BlockType		      Scope
      Floating		      off
      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	      "0"
    }
    Block {
      BlockType		      "S-Function"
      FunctionName	      "system"
      PortCounts	      "[]"
      SFunctionModules	      "''"
    }
    Block {
      BlockType		      StateSpace
      A			      "1"
      B			      "1"
      C			      "1"
      D			      "1"
      X0		      "0"
      AbsoluteTolerance	      "auto"
      Realization	      "auto"
    }
    Block {
      BlockType		      SubSystem
      ShowPortLabels	      on
      Permissions	      "ReadWrite"
      PermitHierarchicalResolution "All"
      SystemSampleTime	      "-1"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      SimViewingDevice	      off
      DataTypeOverride	      "UseLocalSettings"
      MinMaxOverflowLogging   "UseLocalSettings"
    }
    Block {
      BlockType		      ToWorkspace
      VariableName	      "simulink_output"
      MaxDataPoints	      "1000"
      Decimation	      "1"
      SampleTime	      "0"
      FixptAsFi		      off
    }
    Block {
      BlockType		      TriggerPort
      TriggerType	      "rising"
      StatesWhenEnabling      "inherit"
      ShowOutputPort	      off
      OutputDataType	      "auto"
      SampleTimeType	      "triggered"
      SampleTime	      "1"
      ZeroCross		      on
    }
  }
  AnnotationDefaults {
    HorizontalAlignment	    "center"
    VerticalAlignment	    "middle"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
  }
  LineDefaults {
    FontName		    "Helvetica"
    FontSize		    9
    FontWeight		    "normal"
    FontAngle		    "normal"
  }
  System {
    Name		    "dds_lr"
    Location		    [2, 82, 1014, 721]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "white"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "A4"
    PaperUnits		    "centimeters"
    ZoomFactor		    "100"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      Reference
      Name		      "Analog\nFilter Design"
      Ports		      [1, 1]
      Position		      [450, 152, 515, 208]
      SourceBlock	      "dsparch4/Analog\nFilter Design"
      SourceType	      "Analog Filter Design"
      method		      "Butterworth"
      filttype		      "Lowpass"
      N			      "8"
      Wlo		      "1000"
      Whi		      "80"
      Rp		      "2"
      Rs		      "40"
    }
    Block {
      BlockType		      Constant
      Name		      "Constant"
      Position		      [130, 230, 160, 260]
      Value		      "0.01"
    }
    Block {
      BlockType		      Reference
      Name		      "Direct Lookup\nTable (n-D)"
      Ports		      [1, 1]
      Position		      [325, 152, 380, 208]
      SourceBlock	      "simulink/Lookup\nTables/Direct Lookup\nTable (n"
"-D)"
      SourceType	      "LookupNDDirect"
      maskTabDims	      "1"
      explicitNumDims	      "1"
      outDims		      "Element"
      tabIsInput	      off
      mxTable		      "[0 0.099833 0.19867 0.29552 0.38942 0.47943 0.5"
"6464 0.64422 0.71736 0.78333 0.84147 0.89121 0.93204 0.96356 0.98545 0.99749 "
"0.99957 0.99166 0.97385 0.9463 0.9093 0.86321 0.8085 0.74571 0.67546 0.59847 "
"0.5155 0.42738 0.33499 0.23925 0.14112 0.041581 -0.058374 -0.15775 -0.25554 -"
"0.35078 -0.44252 -0.52984 -0.61186 -0.68777 -0.7568 -0.81828 -0.87158 -0.9161"
"7 -0.9516 -0.97753 -0.99369 -0.99992 -0.99616 -0.98245 -0.95892 -0.92581 -0.8"
"8345 -0.83227 -0.77276 -0.70554 -0.63127 -0.55069 -0.4646 -0.37388 -0.27942 -"
"0.18216 -0.083089]"
      clipFlag		      "Warning"
    }
    Block {
      BlockType		      Display
      Name		      "Display"
      Ports		      [1]
      Position		      [665, 285, 755, 315]
      Decimation	      "1"
    }
    Block {
      BlockType		      Fcn
      Name		      "Fcn"
      Position		      [570, 285, 630, 315]
      Expr		      "0.01*100/(2^8)"
    }
    Block {
      BlockType		      Reference
      Name		      "Power Spectral\nDensity"
      Ports		      [1]
      Position		      [575, 120, 605, 150]
      SourceBlock	      "simulink_extras/Additional\nSinks/Power Spectra"
"l\nDensity"
      SourceType	      "Power Spectral Density"
      ShowPortLabels	      on
      npts		      "128"
      fftpts		      "512"
      HowOften		      "64"
      sampleT		      "0.1"
    }
    Block {
      BlockType		      DiscretePulseGenerator
      Name		      "Pulse\nGenerator"
      Ports		      [0, 1]
      Position		      [120, 148, 165, 182]
      PulseType		      "Time based"
      Period		      "0.01"
      PulseWidth	      "50"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [1]
      Position		      [565, 44, 595, 76]
      Location		      [5, 54, 1029, 741]
      Open		      off
      NumInputPorts	      "1"
      ZoomMode		      "xonly"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      YMin		      "2.975e-024"
      YMax		      "3.5e-024"
      DataFormat	      "StructureWithTime"
      LimitDataPoints	      off
    }
    Block {
      BlockType		      Scope
      Name		      "Scope1"
      Ports		      [1]
      Position		      [320, 99, 350, 131]
      Location		      [5, 54, 1029, 741]
      Open		      off
      NumInputPorts	      "1"
      ZoomMode		      "xonly"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      YMin		      "-1"
      YMax		      "1"
      SaveName		      "ScopeData1"
      DataFormat	      "StructureWithTime"
      LimitDataPoints	      off
    }
    Block {
      BlockType		      SubSystem
      Name		      "Subsystem"
      Ports		      [2, 1]
      Position		      [240, 150, 280, 210]
      TreatAsAtomicUnit	      off
      MinAlgLoopOccurrences   off
      RTWSystemCode	      "Auto"
      System {
	Name			"Subsystem"
	Location		[2, 82, 1014, 721]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"A4"
	PaperUnits		"centimeters"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "In1"
	  Position		  [115, 25, 145, 40]
	  Orientation		  "down"
	  Port			  "1"
	  IconDisplay		  "Port number"
	  LatchInput		  off
	}
	Block {
	  BlockType		  Inport
	  Name			  "In2"
	  Position		  [25, 78, 55, 92]
	  Port			  "2"
	  IconDisplay		  "Port number"
	  LatchInput		  off
	}
	Block {
	  BlockType		  Constant
	  Name			  "Constant"
	  Position		  [365, 155, 395, 185]
	  Value			  "63"
	}
	Block {
	  BlockType		  Math
	  Name			  "Math\nFunction"
	  Ports			  [2, 1]
	  Position		  [445, 77, 475, 113]
	  Operator		  "mod"
	}
	Block {
	  BlockType		  "S-Function"
	  Name			  "S-Function"
	  Ports			  [1, 1]
	  Position		  [255, 70, 315, 100]
	  FunctionName		  "xwlj"
	}
	Block {
	  BlockType		  Scope
	  Name			  "Scope1"
	  Ports			  [1]
	  Position		  [445, 14, 475, 46]
	  Location		  [5, 54, 1029, 741]
	  Open			  off
	  NumInputPorts		  "1"
	  ZoomMode		  "xonly"
	  List {
	    ListType		    AxesTitles
	    axes1		    "%<SignalLabel>"
	  }
	  YMin			  "0"
	  YMax			  "325000"
	  SaveToWorkspace	  on
	  SaveName		  "ScopeData2"
	  DataFormat		  "StructureWithTime"
	  LimitDataPoints	  off
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Triggered\nSubsystem"
	  Ports			  [1, 1, 0, 1]
	  Position		  [80, 64, 180, 106]
	  TreatAsAtomicUnit	  on
	  MinAlgLoopOccurrences	  off
	  RTWSystemCode		  "Auto"
	  System {
	    Name		    "Triggered\nSubsystem"
	    Location		    [2, 82, 1014, 722]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "A4"
	    PaperUnits		    "centimeters"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "In1"
	      Position		      [110, 103, 140, 117]
	      Port		      "1"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      TriggerPort
	      Name		      "Trigger"
	      Ports		      []
	      Position		      [225, 20, 245, 40]
	      StatesWhenEnabling      "held"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Out1"
	      Position		      [360, 103, 390, 117]
	      IconDisplay	      "Port number"
	      BusOutputAsStruct	      off
	    }
	    Line {
	      SrcBlock		      "In1"
	      SrcPort		      1
	      DstBlock		      "Out1"
	      DstPort		      1
	    }
	  }
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out1"
	  Position		  [500, 88, 530, 102]
	  IconDisplay		  "Port number"
	  BusOutputAsStruct	  off
	}
	Line {
	  SrcBlock		  "In1"
	  SrcPort		  1
	  DstBlock		  "Triggered\nSubsystem"
	  DstPort		  trigger
	}
	Line {
	  SrcBlock		  "In2"
	  SrcPort		  1
	  DstBlock		  "Triggered\nSubsystem"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Math\nFunction"
	  SrcPort		  1
	  DstBlock		  "Out1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Constant"
	  SrcPort		  1
	  Points		  [15, 0; 0, -65]
	  DstBlock		  "Math\nFunction"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Triggered\nSubsystem"
	  SrcPort		  1
	  DstBlock		  "S-Function"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "S-Function"
	  SrcPort		  1
	  Points		  [65, 0]
	  Branch {
	    DstBlock		    "Math\nFunction"
	    DstPort		    1
	  }
	  Branch {
	    Points		    [0, -50; 30, 0; 0, -5]
	    DstBlock		    "Scope1"
	    DstPort		    1
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      }
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "To Workspace"
      Position		      [565, 215, 625, 245]
      VariableName	      "simout"
      MaxDataPoints	      "inf"
      SampleTime	      "-1"
      SaveFormat	      "Structure"
    }
    Line {
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      DstBlock		      "Subsystem"
      DstPort		      1
    }
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      Points		      [50, 0; 0, -50]
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    Line {
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      }
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    Line {
      SrcBlock		      "Direct Lookup\nTable (n-D)"
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      DstBlock		      "Analog\nFilter Design"
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      }
      Branch {
	Points			[0, 50]
	Branch {
	  DstBlock		  "To Workspace"
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}