am_sys.mdl

信号实验常用的simulink模型和mfile,可直接在matlan下运行。

Model {
  Name			  "am_sys"
  Version		  3.00
  SimParamPage		  "Solver"
  SampleTimeColors	  off
  InvariantConstants	  off
  WideVectorLines	  off
  ShowLineWidths	  off
  ShowPortDataTypes	  off
  StartTime		  "0.0"
  StopTime		  "999999"
  SolverMode		  "Auto"
  Solver		  "ode45"
  RelTol		  "1e-3"
  AbsTol		  "1e-3"
  Refine		  "1"
  MaxStep		  "0.001"
  InitialStep		  "auto"
  FixedStep		  "auto"
  MaxOrder		  5
  OutputOption		  "RefineOutputTimes"
  OutputTimes		  "[]"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
  SaveTime		  off
  TimeSaveName		  "tout"
  SaveState		  off
  StateSaveName		  "xout"
  SaveOutput		  off
  OutputSaveName	  "yout"
  LoadInitialState	  off
  InitialState		  "xInitial"
  SaveFinalState	  off
  FinalStateName	  "xFinal"
  SaveFormat		  "Matrix"
  LimitMaxRows		  off
  MaxRows		  "1000"
  Decimation		  "1"
  AlgebraicLoopMsg	  "warning"
  MinStepSizeMsg	  "warning"
  UnconnectedInputMsg	  "warning"
  UnconnectedOutputMsg	  "warning"
  UnconnectedLineMsg	  "warning"
  InheritedTsInSrcMsg	  "warning"
  IntegerOverflowMsg	  "warning"
  UnnecessaryDatatypeConvMsg "none"
  Int32ToFloatConvMsg	  "warning"
  SignalLabelMismatchMsg  "none"
  ConsistencyChecking	  "off"
  ZeroCross		  on
  SimulationMode	  "normal"
  BlockDataTips		  on
  BlockParametersDataTip  on
  BlockAttributesDataTip  off
  BlockPortWidthsDataTip  off
  BlockDescriptionStringDataTip	off
  BlockMaskParametersDataTip off
  ToolBar		  on
  StatusBar		  on
  BrowserShowLibraryLinks off
  BrowserLookUnderMasks	  off
  OptimizeBlockIOStorage  on
  BufferReuse		  on
  BooleanDataType	  off
  RTWSystemTargetFile	  "grt.tlc"
  RTWInlineParameters	  off
  RTWRetainRTWFile	  off
  RTWTemplateMakefile	  "grt_default_tmf"
  RTWMakeCommand	  "make_rtw"
  RTWGenerateCodeOnly	  off
  ExtModeMexFile	  "ext_comm"
  ExtModeBatchMode	  off
  ExtModeTrigType	  "manual"
  ExtModeTrigMode	  "oneshot"
  ExtModeTrigPort	  "1"
  ExtModeTrigElement	  "any"
  ExtModeTrigDuration	  1000
  ExtModeTrigHoldOff	  0
  ExtModeTrigDelay	  0
  ExtModeTrigDirection	  "rising"
  ExtModeTrigLevel	  0
  ExtModeArchiveMode	  "off"
  ExtModeAutoIncOneShot	  off
  ExtModeIncDirWhenArm	  off
  ExtModeAddSuffixToVar	  off
  ExtModeWriteAllDataToWs off
  ExtModeArmWhenConnect	  off
  Created		  "Wed Jan 05 22:14:16 2000"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Wed Jan 05 22:30:00 2000"
  ModelVersionFormat	  "1.%<AutoIncrement:2>"
  ConfigurationManager	  "none"
  BlockDefaults {
    Orientation		    "right"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    NamePlacement	    "normal"
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    ShowName		    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		    "am_sys"
    Location		    [41, 84, 544, 404]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "automatic"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "100"
    AutoZoom		    on
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      SubSystem
      Name		      "标准AM调制与解调\n（包络检波）"
      Ports		      [0, 0, 0, 0, 0]
      Position		      [30, 69, 135, 146]
      DropShadow	      on
      OpenFcn		      "am_sys1"
      FontName		      "宋体"
      FontSize		      12
      ShowPortLabels	      off
      MaskDisplay	      "disp('Standard\\nAM System')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      System {
	Name			"标准AM调制与解调\n（包络检波）"
	Location		[-10, 380, 117, 533]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"automatic"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	AutoZoom		on
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "非同步调制/解调系统\n（包络解调）1"
      Ports		      [0, 0, 0, 0, 0]
      Position		      [75, 497, 157, 551]
      DropShadow	      on
      FontName		      "宋体"
      FontSize		      12
      ShowPortLabels	      off
      MaskDisplay	      "disp('AM\\nSystem - 1')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      System {
	Name			"非同步调制/解调系统\n（包络解调）1"
	Location		[19, 84, 531, 451]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"automatic"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	AutoZoom		on
	Block {
	  BlockType		  ZeroPole
	  Name			  "Butterworth\n低通滤波器"
	  Position		  [350, 263, 410, 307]
	  FontName		  "宋体"
	  FontSize		  12
	  Zeros			  "z"
	  Poles			  "p"
	  Gain			  "k"
	  MaskType		  "buttap"
	  MaskDescription	  "Analog Butterworth low pass filter.\n\n(Req"
"uires Signal Processing Toolbox)"
	  MaskHelp		  "Butterworth low pass filter using MATLAB's "
"butter command."
	  MaskPromptString	  "Cutoff frequency (rad/sec)|Order"
	  MaskStyleString	  "edit,edit"
	  MaskTunableValueString  "on,on"
	  MaskCallbackString	  "|"
	  MaskEnableString	  "on,on"
	  MaskVisibilityString	  "on,on"
	  MaskInitialization	  "[z,p,k]=buttap(@2); z=@1*z; p=@1*p; k=real("
"prod(-p)); [num,den]=zp2tf(z,p,k); w=logspace(log10(@1/10),log10(10*@1),20); "
"h=freqs(num,den,w); "
	  MaskDisplay		  "plot(20*log10(w),20*log10(abs(h)))"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "5*2*pi|4"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Diode"
	  Ports			  [1, 1, 0, 0, 0]
	  Position		  [120, 273, 155, 297]
	  DropShadow		  on
	  FontName		  "宋体"
	  FontSize		  12
	  ShowPortLabels	  off
	  MaskType		  "二极管"
	  MaskDescription	  "二极管"
	  MaskDisplay		  "plot([0 2 2 2],[0 0 2 -2],[2 4],[2 0],[2 4]"
",[-2 0],[4 4 4 6],[-2 2 0 0]);"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  System {
	    Name		    "Diode"
	    Location		    [4, 207, 504, 457]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "automatic"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    AutoZoom		    on
	    Block {
	      BlockType		      Inport
	      Name		      "in_1"
	      Position		      [70, 120, 90, 140]
	      Port		      "1"
	      PortWidth		      "-1"
	      SampleTime	      "-1"
	      DataType		      "auto"
	      SignalType	      "auto"
	      Interpolate	      on
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Gain"
	      Position		      [340, 117, 365, 143]
	      Gain		      "1/2"
	      SaturateOnIntegerOverflow	on
	    }
	    Block {
	      BlockType		      Product
	      Name		      "Product"
	      Ports		      [2, 1, 0, 0, 0]
	      Position		      [195, 123, 225, 147]
	      Inputs		      "2"
	      SaturateOnIntegerOverflow	on
	    }
	    Block {
	      BlockType		      SubSystem
	      Name		      "Sign"
	      Ports		      [1, 1, 0, 0, 0]
	      Position		      [120, 117, 150, 143]
	      ShowPortLabels	      off
	      MaskType		      "Sign"
	      MaskDescription	      "y = sign(x)"
	      MaskHelp		      "Sign Function:\\n\\t\\t\\ty = 1 if x > "
"0\\n\\t\\t\\ty = 0 if x = 0\\n\\t\\t\\ty = -1 if x < 0"
	      MaskDisplay	      "plot(-50,-50,50,50,[-50,50],[0,0],[0,0]"
",[-50,50],[-40,0],[-30,-30],[0,40],[30,30])"
	      MaskIconFrame	      on
	      MaskIconOpaque	      on
	      MaskIconRotate	      "none"
	      MaskIconUnits	      "autoscale"
	      System {
		Name			"Sign"
		Location		[159, 289, 467, 458]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"automatic"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
		PaperUnits		"inches"
		ZoomFactor		"100"
		AutoZoom		on
		Block {
		  BlockType		  Inport
		  Name			  "in_1"
		  Position		  [35, 30, 55, 50]
		  Port			  "1"
		  PortWidth		  "-1"
		  SampleTime		  "-1"
		  DataType		  "auto"
		  SignalType		  "auto"
		  Interpolate		  on
		}
		Block {
		  BlockType		  Constant
		  Name			  "Constant"
		  Position		  [65, 105, 85, 125]
		  Value			  "0"
		}
		Block {
		  BlockType		  RelationalOperator
		  Name			  "Relational\nOperator"
		  Position		  [140, 32, 170, 63]
		  Operator		  ">"
		}
		Block {
		  BlockType		  RelationalOperator
		  Name			  "Relational\nOperator1"
		  Position		  [140, 92, 170, 123]
		  Operator		  "<"
		}
		Block {
		  BlockType		  Sum
		  Name			  "Sum"
		  Ports			  [2, 1, 0, 0, 0]
		  Position		  [215, 64, 235, 91]
		  IconShape		  "rectangular"
		  Inputs		  "+-"
		  SaturateOnIntegerOverflow on
		}
		Block {
		  BlockType		  Outport
		  Name			  "out_1"
		  Position		  [265, 70, 285, 90]
		  Port			  "1"
		  OutputWhenDisabled	  "held"
		  InitialOutput		  "[]"
		}
		Line {
		  SrcBlock		  "Sum"
		  SrcPort		  1
		  DstBlock		  "out_1"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Relational\nOperator"
		  SrcPort		  1
		  Points		  [10, 0; 0, 20]
		  DstBlock		  "Sum"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Relational\nOperator1"
		  SrcPort		  1
		  Points		  [10, 0; 0, -25]
		  DstBlock		  "Sum"
		  DstPort		  2
		}
		Line {
		  SrcBlock		  "Constant"
		  SrcPort		  1
		  Points		  [20, 0]
		  Branch {
		    DstBlock		    "Relational\nOperator1"
		    DstPort		    2
		  }
		  Branch {
		    Points		    [0, -60]
		    DstBlock		    "Relational\nOperator"
		    DstPort		    2
		  }
		}
		Line {
		  SrcBlock		  "in_1"
		  SrcPort		  1
		  Points		  [35, 0]
		  Branch {
		    DstBlock		    "Relational\nOperator"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 60]
		    DstBlock		    "Relational\nOperator1"
		    DstPort		    1
		  }
		}
	      }
	    }
	    Block {
	      BlockType		      Sum
	      Name		      "Sum"
	      Ports		      [2, 1, 0, 0, 0]
	      Position		      [270, 120, 290, 140]
	      IconShape		      "rectangular"
	      Inputs		      "++"
	      SaturateOnIntegerOverflow	on
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "out_1"
	      Position		      [395, 120, 415, 140]
	      Port		      "1"
	      OutputWhenDisabled      "held"
	      InitialOutput	      "[]"
	    }
	    Line {
	      SrcBlock		      "Gain"
	      SrcPort		      1
	      DstBlock		      "out_1"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Sign"
	      SrcPort		      1
	      DstBlock		      "Product"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "in_1"
	      SrcPort		      1
	      Points		      [0, 0]
	      Branch {
		DstBlock		"Sign"
		DstPort			1
	      }
	      Branch {
		Points			[5, 50; 70, 0; 0, -40]
		DstBlock		"Product"
		DstPort			2
	      }
	      Branch {
		Points			[5, -40; 145, 0; 0, 35]
		DstBlock		"Sum"
		DstPort			1
	      }
	    }
	    Line {
	      SrcBlock		      "Product"
	      SrcPort		      1
	      DstBlock		      "Sum"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Sum"
	      SrcPort		      1
	      DstBlock		      "Gain"
	      DstPort		      1
	    }
	  }
	}
	Block {
	  BlockType		  Scope
	  Name			  "包络检波后波形"
	  Ports			  [1, 0, 0, 0, 0]
	  Position		  [450, 175, 480, 205]
	  FontName		  "宋体"
	  FontSize		  12
	  Floating		  off
	  Location		  [206, 245, 535, 411]
	  Open			  off
	  NumInputPorts		  "1"
	  TickLabels		  "OneTimeTick"
	  ZoomMode		  "on"
	  List {
	    ListType		    AxesTitles
	    axes1		    "%<SignalLabel>"
	  }
	  Grid			  "on"
	  TimeRange		  "1.000000"
	  YMin			  "-1.000000"
	  YMax			  "1.000000"
	  SaveToWorkspace	  off
	  SaveName		  "ScopeData"
	  DataFormat		  "Matrix"
	  LimitMaxRows		  on
	  MaxRows		  "5000"
	  Decimation		  "1"
	  SampleInput		  off
	  SampleTime		  "0"
	}
	Block {
	  BlockType		  TransferFcn
	  Name			  "包络解调"
	  Position		  [190, 263, 295, 307]
	  DropShadow		  on
	  FontName		  "宋体"
	  FontSize		  12
	  Numerator		  "[R]"
	  Denominator		  "[R*C R+1]"
	  MaskType		  "单元6"
	  MaskDescription	  "单元6"
	  MaskPromptString	  "电阻值（欧）：|电容值（法）："
	  MaskStyleString	  "edit,edit"
	  MaskTunableValueString  "on,on"
	  MaskCallbackString	  "|"
	  MaskEnableString	  "on,on"
	  MaskVisibilityString	  "on,on"
	  MaskInitialization	  "R=@1;C=@2;"
	  MaskDisplay		  "plot([0 15],[2 2],[8 8 6 10],[2 0 0 0],[6 1"
"0],[-1 -1],[8 8 7 9],[-1 -4 -4 -4],[12.5 12.5 12 13],[2 1 1 1],[12 12],[1 -3]"
",[13 13],[1 -3],[12 13 12.5 12.5],[-3 -3 -3 -4],[12 13],[-4 -4]);"