qpsk.mdl

该代码实现了am

    Block {
      BlockType		      Assignment
      InputType		      "Vector"
      IndexMode		      "One-based"
      IndexIsStartValue	      off
      ElementSrc	      "Internal"
      Elements		      "1"
      RowSrc		      "Internal"
      Rows		      "1"
      ColumnSrc		      "Internal"
      Columns		      "1"
      OutputDimensions	      "[1 1]"
      DiagnosticForDimensions "None"
      SampleTime	      "-1"
    }
    Block {
      BlockType		      Constant
      Value		      "1"
      VectorParams1D	      on
      OutDataTypeMode	      "Inherit from 'Constant value'"
      OutDataType	      "sfix(16)"
      ConRadixGroup	      "Use specified scaling"
      OutScaling	      "2^0"
      SampleTime	      "inf"
    }
    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		      ForIterator
      ResetStates	      "held"
      IterationSource	      "internal"
      IterationLimit	      "5"
      ExternalIncrement	      off
      ShowIterationPort	      on
      IndexMode		      "One-based"
      IterationVariableDataType	"int32"
    }
    Block {
      BlockType		      FromWorkspace
      VariableName	      "simulink_input"
      SampleTime	      "-1"
      Interpolate	      on
      OutputAfterFinalValue   "Extrapolation"
    }
    Block {
      BlockType		      Ground
    }
    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		      Logic
      Operator		      "AND"
      Inputs		      "2"
      AllPortsSameDT	      on
      OutDataTypeMode	      "Logical (see Configuration Parameters: Optimiza"
"tion)"
      LogicDataType	      "uint(8)"
      SampleTime	      "-1"
    }
    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		      MultiPortSwitch
      Inputs		      "4"
      zeroidx		      off
      InputSameDT	      on
      OutDataTypeMode	      "Inherit via internal rule"
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
    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"
      SFunctionModules	      "''"
      PortCounts	      "[]"
    }
    Block {
      BlockType		      Signum
      ZeroCross		      on
      SampleTime	      "-1"
    }
    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"
    }
    Block {
      BlockType		      UnitDelay
      X0		      "0"
      SampleTime	      "1"
      StateMustResolveToSignalObject off
      RTWStateStorageClass    "Auto"
    }
    Block {
      BlockType		      Width
      OutputDataTypeScalingMode	"Choose intrinsic data type"
      DataType		      "double"
    }
  }
  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		    "qpsk"
    Location		    [2, 70, 1022, 718]
    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		      "AWGN\nChannel"
      Ports		      [1, 1]
      Position		      [470, 114, 550, 156]
      SourceBlock	      "commchan2/AWGN\nChannel"
      SourceType	      "AWGN Channel"
      ShowPortLabels	      on
      seed		      "80"
      noiseMode		      "Signal to noise ratio  (Eb/No)"
      EbNodB		      "10"
      EsNodB		      "10"
      SNRdB		      "10"
      bitsPerSym	      "1"
      Ps		      "1"
      Tsym		      "1"
      variance		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Differential\nDecoder"
      Ports		      [1, 1]
      Position		      [660, 112, 750, 158]
      SourceBlock	      "commsrccod2/Differential\nDecoder"
      SourceType	      "Differential Decoder"
      ShowPortLabels	      on
      InitCond		      "0"
    }
    Block {
      BlockType		      Reference
      Name		      "Differential\nEncoder"
      Ports		      [1, 1]
      Position		      [265, 112, 355, 158]
      SourceBlock	      "commsrccod2/Differential\nEncoder"
      SourceType	      "Differential Encoder"
      ShowPortLabels	      on
      InitCond		      "0"
    }
    Block {
      BlockType		      FromWorkspace
      Name		      "From\nWorkspace"
      Position		      [30, 123, 95, 147]
      VariableName	      "simin"
      SampleTime	      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Mu-Law\nCompressor"
      Ports		      [1, 1]
      Position		      [125, 112, 215, 158]
      SourceBlock	      "commsrccod2/Mu-Law\nCompressor"
      SourceType	      "Mu-Law Compressor"
      ShowPortLabels	      on
      mu		      "500"
      V			      "5"
    }
    Block {
      BlockType		      Reference
      Name		      "Mu-Law\nExpander"
      Ports		      [1, 1]
      Position		      [780, 112, 870, 158]
      SourceBlock	      "commsrccod2/Mu-Law\nExpander"
      SourceType	      "Mu-Law Expander"
      ShowPortLabels	      on
      mu		      "500"
      V			      "5"
    }
    Block {
      BlockType		      Reference
      Name		      "QPSK\nDemodulator\nBaseband"
      Ports		      [1, 1]
      Position		      [565, 110, 640, 160]
      SourceBlock	      "commdigbbndpm2/QPSK\nDemodulator\nBaseband"
      SourceType	      "QPSK Demodulator Baseband"
      ShowPortLabels	      on
      OutType		      "Integer"
      Dec		      "Binary"
      Ph		      "0"
      numSamp		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "QPSK\nModulator\nBaseband"
      Ports		      [1, 1]
      Position		      [375, 111, 450, 159]
      SourceBlock	      "commdigbbndpm2/QPSK\nModulator\nBaseband"
      SourceType	      "QPSK Modulator Baseband"
      ShowPortLabels	      on
      InType		      "Integer"
      Enc		      "Binary"
      Ph		      "pi/4"
      numSamp		      "1"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [6]
      Position		      [910, 321, 940, 354]
      Location		      [43, 257, 367, 496]
      Open		      off
      NumInputPorts	      "6"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
	axes2			"%<SignalLabel>"
	axes3			"%<SignalLabel>"
	axes4			"%<SignalLabel>"
	axes5			"%<SignalLabel>"
	axes6			"%<SignalLabel>"
      }
      YMin		      "-5~-5~-5~-5~-5~-5"
      YMax		      "5~5~5~5~5~5"
      DataFormat	      "StructureWithTime"
    }
    Line {
      SrcBlock		      "QPSK\nModulator\nBaseband"
      SrcPort		      1
      DstBlock		      "AWGN\nChannel"
      DstPort		      1
    }
    Line {
      SrcBlock		      "AWGN\nChannel"
      SrcPort		      1
      DstBlock		      "QPSK\nDemodulator\nBaseband"
      DstPort		      1
    }
    Line {
      SrcBlock		      "From\nWorkspace"
      SrcPort		      1
      Points		      [10, 0]
      Branch {
	DstBlock		"Mu-Law\nCompressor"
	DstPort			1
      }
      Branch {
	Points			[0, 190]
	DstBlock		"Scope"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Mu-Law\nCompressor"
      SrcPort		      1
      Points		      [25, 0]
      Branch {
	DstBlock		"Differential\nEncoder"
	DstPort			1
      }
      Branch {
	Points			[0, 195]
	DstBlock		"Scope"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Differential\nEncoder"
      SrcPort		      1
      Points		      [0, 0]
      Branch {
	DstBlock		"QPSK\nModulator\nBaseband"
	DstPort			1
      }
      Branch {
	Points			[0, 200]
	DstBlock		"Scope"
	DstPort			3
      }
    }
    Line {
      SrcBlock		      "QPSK\nDemodulator\nBaseband"
      SrcPort		      1
      Points		      [0, 0]
      Branch {
	DstBlock		"Differential\nDecoder"
	DstPort			1
      }
      Branch {
	Points			[0, 205]
	DstBlock		"Scope"
	DstPort			4
      }
    }
    Line {
      SrcBlock		      "Differential\nDecoder"
      SrcPort		      1
      Points		      [5, 0]
      Branch {
	DstBlock		"Mu-Law\nExpander"
	DstPort			1
      }
      Branch {
	Points			[0, 210]
	DstBlock		"Scope"
	DstPort			5
      }
    }
    Line {
      SrcBlock		      "Mu-Law\nExpander"
      SrcPort		      1
      Points		      [15, 0; 0, 215]
      DstBlock		      "Scope"
      DstPort		      6
    }
  }
}