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📄 ch3example20.mdl

📁 清华大学出版社 邵玉斌编写的《通信系统建模与仿真实例分析》一书的所有MATLAB和SIMULINK代码
💻 MDL
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      BlockType		      RelationalOperator
      Operator		      ">="
      ShowAdditionalParam     off
      InputSameDT	      on
      LogicOutDataTypeMode    "Logical (see Advanced Sim. Parameters)"
      LogicDataType	      "uint(8)"
      ZeroCross		      on
    }
    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		      SignalGenerator
      WaveForm		      "sine"
      Amplitude		      "1"
      Frequency		      "1"
      Units		      "Hertz"
      VectorParams1D	      on
    }
    Block {
      BlockType		      SubSystem
      ShowPortLabels	      on
      Permissions	      "ReadWrite"
      RTWSystemCode	      "Auto"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      SimViewingDevice	      off
      DataTypeOverride	      "UseLocalSettings"
      MinMaxOverflowLogging   "UseLocalSettings"
    }
    Block {
      BlockType		      Sum
      IconShape		      "rectangular"
      Inputs		      "++"
      ShowAdditionalParam     off
      InputSameDT	      on
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
    }
    Block {
      BlockType		      Trigonometry
      Operator		      "sin"
      OutputSignalType	      "auto"
    }
    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		    "ch3example20"
    Location		    [379, 109, 959, 402]
    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		      [235, 34, 315, 76]
      FontSize		      10
      SourceBlock	      "commchan2/AWGN\nChannel"
      SourceType	      "AWGN Channel"
      seed		      "67"
      noiseMode		      "Signal to noise ratio  (SNR)"
      EsNodB		      "10"
      SNRdB		      "10"
      Ps		      "0.25"
      Tsym		      "1"
      variance		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "DSBSC AM\nDemodulator\nPassband"
      Ports		      [1, 1]
      Position		      [345, 32, 420, 78]
      FontSize		      10
      SourceBlock	      "commanapbnd2/DSBSC AM\nDemodulator\nPassband"
      SourceType	      "DSBSC AM Demodulator Passband"
      Fc		      "100"
      num		      "[0.9447    1.8894    0.9447]*0.001"
      den		      "[1.0000   -1.9112    0.9150]"
      Ph		      "pi/200"
      ts		      "0.001"
    }
    Block {
      BlockType		      Reference
      Name		      "DSBSC AM\nModulator\nPassband"
      Ports		      [1, 1]
      Position		      [120, 32, 195, 78]
      FontSize		      10
      SourceBlock	      "commanapbnd2/DSBSC AM\nModulator\nPassband"
      SourceType	      "DSBSC AM Modulator Passband"
      Fc		      "100"
      Ph		      "pi/2"
    }
    Block {
      BlockType		      Display
      Name		      "Display"
      Ports		      [1]
      Position		      [440, 130, 530, 160]
      FontSize		      10
      Decimation	      "1"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [3]
      Position		      [490, 28, 520, 82]
      Location		      [172, 411, 754, 712]
      Open		      on
      NumInputPorts	      "3"
      ZoomMode		      "xonly"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
	axes2			"%<SignalLabel>"
	axes3			"%<SignalLabel>"
      }
      List {
	ListType		SelectedSignals
	axes1			""
	axes2			""
	axes3			""
      }
      YMin		      "-5~-5~-5"
      YMax		      "5~5~5"
      DataFormat	      "StructureWithTime"
      LimitDataPoints	      off
    }
    Block {
      BlockType		      SignalGenerator
      Name		      "Signal\nGenerator"
      Position		      [40, 40, 70, 70]
      Frequency		      "3"
    }
    Block {
      BlockType		      Reference
      Name		      "Variance"
      Ports		      [1, 1]
      Position		      [340, 128, 415, 162]
      FontSize		      10
      SourceBlock	      "dspstat3/Variance"
      SourceType	      "Variance"
      run		      on
      reset_popup	      "None"
    }
    Block {
      BlockType		      ZeroOrderHold
      Name		      "Zero-Order\nHold"
      Position		      [250, 125, 290, 165]
      SampleTime	      "1/1000"
    }
    Line {
      SrcBlock		      "Signal\nGenerator"
      SrcPort		      1
      Points		      [20, 0]
      Branch {
	DstBlock		"DSBSC AM\nModulator\nPassband"
	DstPort			1
      }
      Branch {
	Points			[0, -40; 365, 0; 0, 20]
	DstBlock		"Scope"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "DSBSC AM\nModulator\nPassband"
      SrcPort		      1
      Points		      [10, 0]
      Branch {
	DstBlock		"AWGN\nChannel"
	DstPort			1
      }
      Branch {
	Points			[0, 55]
	Branch {
	  Points		  [0, 35]
	  DstBlock		  "Zero-Order\nHold"
	  DstPort		  1
	}
	Branch {
	  Points		  [255, 0; 0, -35]
	  DstBlock		  "Scope"
	  DstPort		  3
	}
      }
    }
    Line {
      SrcBlock		      "AWGN\nChannel"
      SrcPort		      1
      DstBlock		      "DSBSC AM\nDemodulator\nPassband"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Variance"
      SrcPort		      1
      DstBlock		      "Display"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Zero-Order\nHold"
      SrcPort		      1
      DstBlock		      "Variance"
      DstPort		      1
    }
    Line {
      SrcBlock		      "DSBSC AM\nDemodulator\nPassband"
      SrcPort		      1
      DstBlock		      "Scope"
      DstPort		      2
    }
    Annotation {
      Name		      "调制输出功率"
      Position		      [486, 185]
    }
    Annotation {
      Name		      "抑制载波双边带调制解调测试模型\n文件名:ch3exam"
"ple20.mdl"
      Position		      [101, 150]
      DropShadow	      on
      FontName		      "Arial"
      FontSize		      12
    }
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}

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