iir_simu.mdl

本代码用simulink实现IIR滤波的仿真

	      $ObjectID		      10
	      Array {
		Type			"Cell"
		Dimension		15
		Cell			"IncludeMdlTerminateFcn"
		Cell			"CombineOutputUpdateFcns"
		Cell			"SuppressErrorStatus"
		Cell			"ERTCustomFileBanners"
		Cell			"GenerateSampleERTMain"
		Cell			"GenerateTestInterfaces"
		Cell			"ModelStepFunctionPrototypeControlComp"
"liant"
		Cell			"MultiInstanceERTCode"
		Cell			"PurelyIntegerCode"
		Cell			"SupportNonFinite"
		Cell			"SupportComplex"
		Cell			"SupportAbsoluteTime"
		Cell			"SupportContinuousTime"
		Cell			"SupportNonInlinedSFcns"
		Cell			"PortableWordSizes"
		PropName		"DisabledProps"
	      }
	      Version		      "1.0.4"
	      TargetFcnLib	      "ansi_tfl_tmw.mat"
	      GenFloatMathFcnCalls    "ANSI_C"
	      UtilityFuncGeneration   "Auto"
	      GenerateFullHeader      on
	      GenerateSampleERTMain   off
	      IsPILTarget	      off
	      ModelReferenceCompliant on
	      IncludeMdlTerminateFcn  on
	      CombineOutputUpdateFcns off
	      SuppressErrorStatus     off
	      IncludeFileDelimiter    "Auto"
	      ERTCustomFileBanners    off
	      SupportAbsoluteTime     on
	      LogVarNameModifier      "rt_"
	      MatFileLogging	      on
	      MultiInstanceERTCode    off
	      SupportNonFinite	      on
	      SupportComplex	      on
	      PurelyIntegerCode	      off
	      SupportContinuousTime   on
	      SupportNonInlinedSFcns  on
	      ExtMode		      off
	      ExtModeStaticAlloc      off
	      ExtModeTesting	      off
	      ExtModeStaticAllocSize  1000000
	      ExtModeTransport	      0
	      ExtModeMexFile	      "ext_comm"
	      RTWCAPISignals	      off
	      RTWCAPIParams	      off
	      RTWCAPIStates	      off
	      GenerateASAP2	      off
	    }
	    PropName		    "Components"
	  }
	}
	PropName		"Components"
      }
      Name		      "Configuration"
      SimulationMode	      "normal"
      CurrentDlgPage	      "Solver"
    }
    PropName		    "ConfigurationSets"
  }
  Simulink.ConfigSet {
    $PropName		    "ActiveConfigurationSet"
    $ObjectID		    1
  }
  BlockDefaults {
    Orientation		    "right"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    NamePlacement	    "normal"
    FontName		    "Arial"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    ShowName		    on
  }
  BlockParameterDefaults {
    Block {
      BlockType		      DataTypeConversion
      OutDataTypeMode	      "Inherit via back propagation"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      ConvertRealWorld	      "Real World Value (RWV)"
      RndMeth		      "Zero"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
    Block {
      BlockType		      Inport
      BusObject		      "BusObject"
      BusOutputAsStruct	      off
      PortDimensions	      "-1"
      SampleTime	      "-1"
      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      Interpolate	      on
    }
    Block {
      BlockType		      Math
      Operator		      "exp"
      OutputSignalType	      "auto"
      SampleTime	      "-1"
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
    }
    Block {
      BlockType		      "M-S-Function"
      MFile		      "mlfile"
    }
    Block {
      BlockType		      Outport
      Port		      "1"
      BusObject		      "BusObject"
      BusOutputAsStruct	      off
      PortDimensions	      "-1"
      SampleTime	      "-1"
      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      OutputWhenDisabled      "held"
      InitialOutput	      "[]"
    }
    Block {
      BlockType		      Product
      Inputs		      "2"
      Multiplication	      "Element-wise(.*)"
      InputSameDT	      on
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Zero"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
    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		      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		      SubSystem
      ShowPortLabels	      on
      Permissions	      "ReadWrite"
      PermitHierarchicalResolution "All"
      SystemSampleTime	      "-1"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      SimViewingDevice	      off
      DataTypeOverride	      "UseLocalSettings"
      MinMaxOverflowLogging   "UseLocalSettings"
    }
    Block {
      BlockType		      Sum
      IconShape		      "rectangular"
      Inputs		      "++"
      InputSameDT	      on
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
  }
  AnnotationDefaults {
    HorizontalAlignment	    "center"
    VerticalAlignment	    "middle"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    FontName		    "Arial"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
  }
  LineDefaults {
    FontName		    "Arial"
    FontSize		    9
    FontWeight		    "normal"
    FontAngle		    "normal"
  }
  System {
    Name		    "iir_simu"
    Location		    [232, 182, 908, 513]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "white"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "A4"
    PaperUnits		    "centimeters"
    ZoomFactor		    "100"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      Sin
      Name		      "100Hz Sine "
      Ports		      [0, 1]
      Position		      [85, 40, 115, 70]
      SineType		      "Sample based"
      Amplitude		      "100"
      Samples		      "100"
      SampleTime	      "0.0001"
    }
    Block {
      BlockType		      Sin
      Name		      "250Hz Sine"
      Ports		      [0, 1]
      Position		      [85, 135, 115, 165]
      SineType		      "Sample based"
      Amplitude		      "100"
      Samples		      "40"
      SampleTime	      "0.0001"
    }
    Block {
      BlockType		      Sin
      Name		      "400Hz Sine"
      Ports		      [0, 1]
      Position		      [85, 215, 115, 245]
      SineType		      "Sample based"
      Amplitude		      "100"
      Samples		      "25"
      SampleTime	      "0.0001"
    }
    Block {
      BlockType		      Sum
      Name		      "Add"
      Ports		      [3, 1]
      Position		      [170, 130, 200, 170]
      Inputs		      "+++"
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutScaling	      "2^-10"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.0001"
    }
    Block {
      BlockType		      Reference
      Name		      "Digital\nFilter Design"
      Ports		      [1, 1]
      Position		      [355, 122, 420, 178]
      UserDataPersistent      on
      UserData		      "DataTag0"
      SourceBlock	      "dsparch4/Digital\nFilter Design"
      SourceType	      ""
      ShowPortLabels	      on
    }
    Block {
      BlockType		      Reference
      Name		      "Spectrum\nScope"
      Ports		      [1]
      Position		      [310, 215, 345, 265]
      SourceBlock	      "dspsnks4/Spectrum\nScope"
      SourceType	      "Spectrum Scope"
      ShowPortLabels	      off
      ScopeProperties	      on
      Domain		      "Frequency"
      HorizSpan		      "1"
      UseBuffer		      on
      BufferSize	      "1024"
      Overlap		      "0"
      inpFftLenInherit	      on
      FFTlength		      "1024"
      numAvg		      "2"
      DisplayProperties	      off
      AxisGrid		      on
      Memory		      off
      FrameNumber	      on
      AxisLegend	      off
      AxisZoom		      off
      OpenScopeAtSimStart     on
      OpenScopeImmediately    off
      FigPos		      "get(0,'defaultfigureposition')"
      AxisProperties	      off
      XUnits		      "Hertz"
      XRange		      "[0...Fs/2]"
      InheritXIncr	      on
      XIncr		      "1.0"
      XLabel		      "Samples"
      YUnits		      "dB"
      YMin		      "14.5859523427702"
      YMax		      "65.7513819868031"
      YLabel		      "Magnitude-squared, dB"
      LineProperties	      off
    }
    Block {
      BlockType		      Reference
      Name		      "Spectrum\nScope1"
      Ports		      [1]
      Position		      [500, 215, 535, 265]
      SourceBlock	      "dspsnks4/Spectrum\nScope"
      SourceType	      "Spectrum Scope"
      ShowPortLabels	      off
      ScopeProperties	      on
      Domain		      "Frequency"
      HorizSpan		      "1"
      UseBuffer		      on
      BufferSize	      "1024"