samplehold.mdl

使用simulink实现m序列的同步

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      BlockType		      Constant
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      OutDataType	      "sfix(16)"
      ConRadixGroup	      "Use specified scaling"
      OutScaling	      "2^0"
      SampleTime	      "inf"
    }
    Block {
      BlockType		      DiscreteIntegrator
      IntegratorMethod	      "Integration: Forward Euler"
      gainval		      "1.0"
      ExternalReset	      "none"
      InitialConditionSource  "internal"
      InitialCondition	      "0"
      InitialConditionMode    "State and output"
      SampleTime	      "1"
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
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      LimitOutput	      off
      UpperSaturationLimit    "inf"
      LowerSaturationLimit    "-inf"
      ShowSaturationPort      off
      ShowStatePort	      off
      StateMustResolveToSignalObject off
      RTWStateStorageClass    "Auto"
    }
    Block {
      BlockType		      DiscretePulseGenerator
      PulseType		      "Sample based"
      TimeSource	      "Use simulation time"
      Amplitude		      "1"
      Period		      "2"
      PulseWidth	      "1"
      PhaseDelay	      "0"
      SampleTime	      "1"
      VectorParams1D	      on
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      BlockType		      Inport
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      DataType		      "auto"
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      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      Interpolate	      on
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      BlockType		      Outport
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      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		      RelationalOperator
      Operator		      ">="
      InputSameDT	      on
      LogicOutDataTypeMode    "Logical (see Configuration Parameters: Optimiza"
"tion)"
      LogicDataType	      "uint(8)"
      ZeroCross		      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		      SubSystem
      ShowPortLabels	      on
      Permissions	      "ReadWrite"
      PermitHierarchicalResolution "All"
      SystemSampleTime	      "-1"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      SimViewingDevice	      off
      DataTypeOverride	      "UseLocalSettings"
      MinMaxOverflowLogging   "UseLocalSettings"
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    Block {
      BlockType		      TriggerPort
      TriggerType	      "rising"
      StatesWhenEnabling      "inherit"
      ShowOutputPort	      off
      OutputDataType	      "auto"
      SampleTimeType	      "triggered"
      SampleTime	      "1"
      ZeroCross		      on
    }
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    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		    "samplehold"
    Location		    [2, 78, 1438, 845]
    Open		    on
    ModelBrowserVisibility  off
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    ScreenColor		    "white"
    PaperOrientation	    "landscape"
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    PaperUnits		    "centimeters"
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    Block {
      BlockType		      Inport
      Name		      "input1"
      Position		      [500, 128, 530, 142]
      Port		      "1"
      IconDisplay	      "Port number"
      LatchInput	      off
    }
    Block {
      BlockType		      SubSystem
      Name		      "intergrate&judge"
      Ports		      [1, 1]
      Position		      [730, 140, 770, 200]
      TreatAsAtomicUnit	      off
      MinAlgLoopOccurrences   off
      RTWSystemCode	      "Auto"
      System {
	Name			"intergrate&judge"
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	  BlockType		  Inport
	  Name			  "input1"
	  Position		  [25, 93, 55, 107]
	  Port			  "1"
	  IconDisplay		  "Port number"
	  LatchInput		  off
	}
	Block {
	  BlockType		  Reference
	  Name			  "Compare\nTo Constant"
	  Ports			  [1, 1]
	  Position		  [470, 104, 515, 136]
	  LinkData {
	    BlockName		    "Compare"
	    DialogParameters {
	      Operator		      ">="
	      LogicOutDataTypeMode    "Boolean"
	    }
	  }
	  SourceBlock		  "simulink/Logic and Bit\nOperations/Compare"
"\nTo Constant"
	  SourceType		  "Compare To Constant"
	  ShowPortLabels	  on
	  relop			  ">="
	  const			  "0.17"
	  LogicOutDataTypeMode	  "uint8"
	}
	Block {
	  BlockType		  Constant
	  Name			  "Constant1"
	  Position		  [25, 165, 55, 195]
	  Value			  "10"
	}
	Block {
	  BlockType		  DiscreteIntegrator
	  Name			  "Discrete-Time\nIntegrator"
	  Ports			  [2, 1]
	  Position		  [265, 101, 300, 134]
	  IntegratorMethod	  "Integration: Forward Euler"
	  gainval		  "3.0"
	  ExternalReset		  "either"
	  InitialConditionSource  "internal"
	  SampleTime		  "0.001"
	  ICPrevOutput		  "DiscIntNeverNeededParam"
	  ICPrevScaledInput	  "DiscIntNeverNeededParam"
	}
	Block {
	  BlockType		  Product
	  Name			  "Product3"
	  Ports			  [2, 1]
	  Position		  [160, 92, 190, 123]
	  InputSameDT		  off
	  OutDataTypeMode	  "Inherit via internal rule"
	  SaturateOnIntegerOverflow off
	  SampleTime		  "0.001"
	}
	Block {
	  BlockType		  DiscretePulseGenerator
	  Name			  "Pulse\nGenerator1"
	  Ports			  [0, 1]
	  Position		  [150, 133, 195, 167]
	  PulseType		  "Time based"
	  Period		  "0.015"
	  PulseWidth		  "50"
	}
	Block {
	  BlockType		  DiscretePulseGenerator
	  Name			  "Pulse\nGenerator2"
	  Ports			  [0, 1]
	  Position		  [510, 28, 555, 62]
	  PulseType		  "Time based"
	  Period		  "0.015"
	  PulseWidth		  "50"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Sample\nand Hold1"
	  Ports			  [1, 1, 0, 1]
	  Position		  [570, 99, 620, 141]
	  FontSize		  10
	  SourceBlock		  "dspsigops/Sample\nand Hold"
	  SourceType		  "Sample and Hold"
	  ShowPortLabels	  on
	  trig			  "Rising edge"
	  initCond		  "0"
	}
	Block {
	  BlockType		  Scope
	  Name			  "Scope1"
	  Ports			  [2]
	  Position		  [720, 220, 750, 255]
	  Location		  [6, 54, 1030, 741]
	  Open			  off
	  NumInputPorts		  "2"
	  ZoomMode		  "yonly"
	  List {
	    ListType		    AxesTitles
	    axes1		    "%intergration"
	    axes2		    "%<SignalLabel>"
	  }
	  YMin			  "-5~-5"
	  YMax			  "5~5"
	  SaveName		  "ScopeData1"
	  DataFormat		  "StructureWithTime"
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out1"
	  Position		  [690, 113, 720, 127]
	  IconDisplay		  "Port number"
	  BusOutputAsStruct	  off
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	  SrcPort		  1
	  Points		  [35, 0; 0, -25]
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	  DstPort		  2
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	  SrcPort		  1
	  Points		  [55, 0; 0, -65]
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	  SrcPort		  1
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	  DstPort		  1
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	    DstPort		    1
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	    Points		    [-110, 0; 0, 110]
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	  SrcBlock		  "Compare\nTo Constant"
	  SrcPort		  1
	  DstBlock		  "Sample\nand Hold1"
	  DstPort		  1
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	  Points		  [35, 0]
	  DstBlock		  "Sample\nand Hold1"
	  DstPort		  trigger
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	  SrcBlock		  "Sample\nand Hold1"
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	  Points		  [0, 0; 35, 0]
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	    DstBlock		    "Scope1"
	    DstPort		    2
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	  Branch {
	    Points		    [15, 0]
	    DstBlock		    "Out1"
	    DstPort		    1
	  }
	}
      }
    }
    Block {
      BlockType		      Outport
      Name		      "Out1"
      Position		      [960, 143, 990, 157]
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      DstPort		      1
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}