sparam_2.mdl

spread spectrum communication will be helpful to you!

      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"
    }
    Block {
      BlockType		      Terminator
    }
    Block {
      BlockType		      TransferFcn
      Numerator		      "[1]"
      Denominator	      "[1 2 1]"
      AbsoluteTolerance	      "auto"
      Realization	      "auto"
    }
    Block {
      BlockType		      UniformRandomNumber
      Minimum		      "-1"
      Maximum		      "1"
      Seed		      "0"
      SampleTime	      "-1"
      VectorParams1D	      on
    }
    Block {
      BlockType		      ZeroOrderHold
      SampleTime	      "1"
    }
  }
  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		    "sparam_2"
    Location		    [19, 101, 1002, 515]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "yellow"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "90"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      SubSystem
      Name		      "Base Band Transfer Function1"
      Description	      "Spectrum Analyzer"
      Ports		      [2, 1]
      Position		      [65, 125, 215, 180]
      AncestorBlock	      "rab_favorites/Base Band Transfer Function1"
      TreatAsAtomicUnit	      off
      MinAlgLoopOccurrences   off
      RTWSystemCode	      "Auto"
      MaskPromptString	      "Bandwidth"
      MaskStyleString	      "edit"
      MaskTunableValueString  "on"
      MaskEnableString	      "on"
      MaskVisibilityString    "on"
      MaskToolTipString	      "on"
      MaskVariables	      "BW=@1;"
      MaskDisplay	      "fprintf('Baseband Xfer Function Est.  \\n  BW=%"
"7.2f MHz', BW)"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "750"
      Port {
	PortNumber		1
	Name			"a1"
	RTWStorageClass		"Auto"
	DataLoggingNameMode	"SignalName"
	ShowSigGenPortName	on
      }
      System {
	Name			"Base Band Transfer Function1"
	Location		[35, 566, 917, 784]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "Reference "
	  Position		  [45, 52, 85, 68]
	  Port			  "1"
	  IconDisplay		  "Port number"
	  LatchInput		  off
	}
	Block {
	  BlockType		  Inport
	  Name			  "Response"
	  Position		  [40, 137, 80, 153]
	  Port			  "2"
	  IconDisplay		  "Port number"
	  LatchInput		  off
	}
	Block {
	  BlockType		  Reference
	  Name			  "Magnitude in dB"
	  Ports			  [1]
	  Position		  [510, 60, 545, 110]
	  SourceBlock		  "dspsnks4/Vector\nScope"
	  SourceType		  "Vector Scope"
	  ScopeProperties	  on
	  Domain		  "Frequency"
	  HorizSpan		  "1"
	  DisplayProperties	  off
	  AxisGrid		  on
	  Memory		  off
	  FrameNumber		  on
	  AxisLegend		  off
	  AxisZoom		  off
	  OpenScopeAtSimStart	  on
	  OpenScopeImmediately	  off
	  FigPos		  "[33 296 372 236]"
	  AxisProperties	  off
	  XUnits		  "Hertz"
	  XRange		  "[0...Fs/2]"
	  InheritXIncr		  on
	  XIncr			  "2*Fs"
	  XLabel		  "Time"
	  YUnits		  "dB"
	  YMin			  "-20"
	  YMax			  "30"
	  YLabel		  "dB"
	  LineProperties	  off
	  ShowPortLabels	  off
	}
	Block {
	  BlockType		  Reference
	  Name			  "Phase in Degrees"
	  Ports			  [1]
	  Position		  [510, 135, 545, 185]
	  SourceBlock		  "dspsnks4/Vector\nScope"
	  SourceType		  "Vector Scope"
	  ScopeProperties	  on
	  Domain		  "Frequency"
	  HorizSpan		  "1"
	  DisplayProperties	  off
	  AxisGrid		  on
	  Memory		  off
	  FrameNumber		  on
	  AxisLegend		  off
	  AxisZoom		  off
	  OpenScopeAtSimStart	  on
	  OpenScopeImmediately	  off
	  FigPos		  "[489 288 372 236]"
	  AxisProperties	  off
	  XUnits		  "Hertz"
	  XRange		  "[0...Fs/2]"
	  InheritXIncr		  on
	  XIncr			  "1"
	  XLabel		  "Frequency"
	  YUnits		  "Magnitude"
	  YMin			  "-1000"
	  YMax			  "0"
	  YLabel		  "Amplitude"
	  LineProperties	  off
	  ShowPortLabels	  off
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Transfer Function"
	  Ports			  [2, 2]
	  Position		  [315, 70, 425, 130]
	  TreatAsAtomicUnit	  off
	  MinAlgLoopOccurrences	  off
	  RTWSystemCode		  "Auto"
	  MaskPromptString	  "FFT length:|Number of spectral averages:"
	  MaskStyleString	  "edit,edit"
	  MaskTunableValueString  "on,on"
	  MaskCallbackString	  "|"
	  MaskEnableString	  "on,on"
	  MaskVisibilityString	  "on,on"
	  MaskToolTipString	  "on,on"
	  MaskVarAliasString	  ","
	  MaskVariables		  "NFFT=@1;Navg=@2;"
	  MaskDisplay		  "disp('Compute\\nTransfer\\nFunction')"
	  MaskIconFrame		  on
	  MaskIconOpaque	  off
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "512|100"
	  MaskTabNameString	  ","
	  System {
	    Name		    "Transfer Function"
	    Location		    [35, 144, 1148, 374]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "IN"
	      Position		      [15, 48, 45, 62]
	      Port		      "1"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "OUT"
	      Position		      [15, 128, 45, 142]
	      Port		      "2"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Buffer"
	      Ports		      [1, 1]
	      Position		      [70, 30, 120, 80]
	      ShowName		      off
	      SourceBlock	      "dspbuff3/Buffer"
	      SourceType	      "Buffer"
	      N			      "NFFT"
	      V			      "NFFT/2"
	      ic		      "0"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Buffer1"
	      Ports		      [1, 1]
	      Position		      [70, 110, 120, 160]
	      ShowName		      off
	      SourceBlock	      "dspbuff3/Buffer"
	      SourceType	      "Buffer"
	      N			      "NFFT"
	      V			      "NFFT/2"
	      ic		      "0"
	    }
	    Block {
	      BlockType		      ComplexToMagnitudeAngle
	      Name		      "Complex to\nMagnitude-Angle"
	      Ports		      [1, 1]
	      Position		      [695, 110, 725, 140]
	      Output		      "Angle"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Downsample"
	      Ports		      [1, 1]
	      Position		      [620, 48, 655, 82]
	      ShowName		      off
	      SourceBlock	      "dspsigops/Downsample"
	      SourceType	      "Downsample"
	      N			      "2"
	      phase		      "0"
	      ic		      "0"
	      smode		      "Allow multirate"
	      fmode		      "Maintain input frame rate"
	    }
	    Block {
	      BlockType		      SubSystem
	      Name		      "Embedded\nMATLAB Function"
	      Ports		      [1, 1]
	      Position		      [755, 101, 835, 149]
	      TreatAsAtomicUnit	      off
	      MinAlgLoopOccurrences   off
	      RTWSystemCode	      "Auto"
	      MaskType		      "Stateflow"
	      MaskDescription	      "Embedded MATLAB block"
	      MaskDisplay	      "disp('unwrapper');"
	      MaskSelfModifiable      on
	      MaskIconFrame	      on
	      MaskIconOpaque	      off
	      MaskIconRotate	      "none"
	      MaskIconUnits	      "autoscale"
	      System {
		Name			"Embedded\nMATLAB Function"
		Location		[257, 457, 812, 717]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"white"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
		PaperUnits		"inches"
		ZoomFactor		"100"
		Block {
		  BlockType		  Inport
		  Name			  "u"
		  Position		  [20, 101, 40, 119]
		  Port			  "1"
		  IconDisplay		  "Port number"
		  LatchInput		  off
		}
		Block {
		  BlockType		  Demux
		  Name			  " Demux "
		  Ports			  [1, 1]
		  Position		  [270, 160, 320, 200]
		  Outputs		  "1"
		}
		Block {
		  BlockType		  "S-Function"
		  Name			  " SFunction "
		  Tag			  "Stateflow S-Function sparam_2 1"
		  Ports			  [1, 2]
		  Position		  [180, 100, 230, 160]
		  FunctionName		  "sf_sfun"
		  PortCounts		  "[1 2]"
		  Port {
		    PortNumber		    2
		    Name		    "y"
		    RTWStorageClass	    "Auto"
		    DataLoggingNameMode	    "SignalName"
		    ShowSigGenPortName	    on
		  }
		}
		Block {
		  BlockType		  Terminator
		  Name			  " Terminator "
		  Position		  [460, 171, 480, 189]
		}
		Block {
		  BlockType		  Outport
		  Name			  "y"
		  Position		  [460, 101, 480, 119]
		  IconDisplay		  "Port number"
		  BusOutputAsStruct	  off
		}
		Line {
		  Name			  "y"
		  Labels		  [0, 0]
		  SrcBlock		  " SFunction "
		  SrcPort		  2
		  DstBlock		  "y"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "u"
		  SrcPort		  1
		  DstBlock		  " SFunction "
		  DstPort		  1
		}
		Line {
		  SrcBlock		  " Demux "
		  SrcPort		  1
		  DstBlock		  " Terminator "
		  DstPort		  1
		}
		Line {
		  SrcBlock		  " SFunction "
		  SrcPort		  1
		  Points		  [0, 65]
		  DstBlock		  " Demux "
		  DstPort		  1
		}
	      }
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "FFT"
	      Ports		      [1, 1]
	      Position		      [265, 38, 305, 72]
	      ShowName		      off
	      DialogController	      "dspDDGCreate"
	      DialogControllerArgs    "DataTag0"
	      SourceBlock	      "dspxfrm3/FFT"
	      SourceType	      "FFT"
	      CompMethod	      "Table lookup"
	      TableOpt		      "Speed"
	      BitRevOrder	      "off"
	      additionalParams	      "off"
	      SkipNorm		      "off"
	      allowOverrides	      "on"
	      firstCoeffMode	      "Specify word length"
	      firstCoeffWordLength    "16"
	      firstCoeffFracLength    "15"
	      outputMode	      "Same as input"
	      outputWordLength	      "16"
	      outputFracLength	      "15"
	      accumMode		      "Inherit via internal rule"
	      accumWordLength	      "32"
	      accumFracLength	      "30"
	      prodOutputMode	      "Inherit via internal rule"
	      prodOutputWordLength    "32"
	      prodOutputFracLength    "30"
	      roundingMode	      "Floor"
	      overflowMode	      "off"
	      LockScale		      "off"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "FFT1"
	      Ports		      [1, 1]
	      Position		      [265, 118, 305, 152]
	      ShowName		      off
	      DialogController	      "dspDDGCreate"
	      DialogControllerArgs    "DataTag1"
	      SourceBlock	      "dspxfrm3/FFT"
	      SourceType	      "FFT"
	      CompMethod	      "Table lookup"
	      TableOpt		      "Speed"
	      BitRevOrder	      "off"
	      additionalParams	      "off"
	      SkipNorm		      "off"
	      allowOverrides	      "on"
	      firstCoeffMode	      "User-defined"
	      firstCoeffWordLength    "16"
	      firstCoeffFracLength    "15"
	      outputMode	      "Same as input"
	      outputWordLength	      "16"
	      outputFracLength	      "15"
	      accumMode		      "Inherit via internal rule"
	      accumWordLength	      "32"
	      accumFracLength	      "30"
	      prodOutputMode	      "Inherit via internal rule"
	      prodOutputWordLength    "32"
	      prodOutputFracLength    "30"
	      roundingMode	      "Floor"
	      overflowMode	      "off"
	      LockScale		      "off"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Filter1"
	      Ports		      [1, 1]
	      Position		      [450, 33, 520, 77]
	      ShowName		      off
	      SourceBlock	      "dsparch3/Direct-Form II\nTranspose Filt"
"er"
	      SourceType	      "Direct-Form II Transpose Filter"
	      num		      "1"
	      den		      "[Navg -(Navg-1)]"
	      ic		      "eps"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Filter2"
	      Ports		      [1, 1]
	      Position		      [450, 108, 520, 152]
	      ShowName		      off
	      SourceBlock	      "dsparch3/Direct-Form II\nTranspose Filt"
"er"
	      SourceType	      "Direct-Form II Transpose Filter"
	      num		      "1"
	      den		      "[Navg -(Navg-1)]"
	      ic		      "eps"
	    }
	    Block {
	      BlockType		      FrameConversion
	      Name		      "Frame Conversion1"
	      Position		      [865, 45, 920, 85]
	      ShowName		      off
	      OutFrame		      "Frame based"
	    }
	    Block {
	      BlockType		      FrameConversion
	      Name		      "Frame Conversion3"
	      Position		      [865, 105, 920, 145]
	      OutFrame		      "Frame based"
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Gain"
	      Position		      [960, 110, 990, 140]
	      Gain		      "180/pi"
	      ParameterDataTypeMode   "Inherit via internal rule"
	      OutDataTypeMode	      "Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Math
	      Name		      "Magnitude\nSquared"
	      Ports		      [1, 1]
	      Position		      [385, 40, 415, 70]
	      ShowName		      off
	      Operator		      "magnitude^2"
	    }
	    Block {
	      BlockType		      Math
	      Name		      "Math\nFunction"
	      Ports		      [1, 1]
	      Position		      [330, 75, 360, 105]
	      Orientation	      "down"
	      NamePlacement	      "alternate"
	      ShowName		      off
	      Operator		      "conj"
	    }
	    Block {
	      BlockType		      Math
	      Name		      "Math\nFunction1"
	      Ports		      [1, 1]
	      Position		      [945, 50, 975, 80]
	      ShowName		      off
	      Operator		      "magnitude^2"
	    }
	    Block {
	      BlockType		      Product
	      Name		      "Product"
	      Ports		      [2, 1]
	      Position		      [375, 111, 420, 144]
	      ShowName		      off
	      RndMeth		      "Floor"
	    }
	    Block {
	      BlockType		      Product
	      Name		      "Product2"
	      Ports		      [2, 1]
	      Position		      [565, 49, 590, 76]
	      ShowName		      off
	      Inputs		      "/*"
	      RndMeth		      "Floor"
	    }
	    Block {