dsss_bpsk.mdl

数字信号处理（机械工业出版社）的源码

Model {
  Name			  "dsss_bpsk"
  Version		  5.0
  SaveDefaultBlockParams  on
  SampleTimeColors	  off
  LibraryLinkDisplay	  "none"
  WideLines		  off
  ShowLineDimensions	  on
  ShowPortDataTypes	  off
  ShowLoopsOnError	  on
  IgnoreBidirectionalLines off
  ShowStorageClass	  off
  ExecutionOrder	  off
  RecordCoverage	  off
  CovPath		  "/"
  CovSaveName		  "covdata"
  CovMetricSettings	  "dw"
  CovNameIncrementing	  off
  CovHtmlReporting	  on
  covSaveCumulativeToWorkspaceVar on
  CovSaveSingleToWorkspaceVar on
  CovCumulativeVarName	  "covCumulativeData"
  CovCumulativeReport	  off
  DataTypeOverride	  "UseLocalSettings"
  MinMaxOverflowLogging	  "UseLocalSettings"
  MinMaxOverflowArchiveMode "Overwrite"
  BlockNameDataTip	  off
  BlockParametersDataTip  on
  BlockDescriptionStringDataTip	off
  ToolBar		  on
  StatusBar		  on
  BrowserShowLibraryLinks off
  BrowserLookUnderMasks	  off
  Created		  "Wed Jun 03 14:12:10 1998"
  Creator		  "mikem"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "Yanhua Zhang"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Sat Aug 21 16:38:36 2004"
  ModelVersionFormat	  "1.%<AutoIncrement:68>"
  ConfigurationManager	  "none"
  SimParamPage		  "Solver"
  LinearizationMsg	  "none"
  Profile		  off
  ParamWorkspaceSource	  "MATLABWorkspace"
  AccelSystemTargetFile	  "accel.tlc"
  AccelTemplateMakefile	  "accel_default_tmf"
  AccelMakeCommand	  "make_rtw"
  TryForcingSFcnDF	  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
  ExtModeSkipDownloadWhenConnect off
  ExtModeLogAll		  on
  ExtModeAutoUpdateStatusClock on
  BufferReuse		  on
  RTWExpressionDepthLimit 5
  SimulationMode	  "normal"
  Solver		  "VariableStepDiscrete"
  SolverMode		  "SingleTasking"
  StartTime		  "0.0"
  StopTime		  "100.0"
  MaxOrder		  5
  MaxStep		  "auto"
  MinStep		  "auto"
  MaxNumMinSteps	  "-1"
  InitialStep		  "auto"
  FixedStep		  "auto"
  RelTol		  "1e-3"
  AbsTol		  "1e-6"
  OutputOption		  "RefineOutputTimes"
  OutputTimes		  "[]"
  Refine		  "1"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
  LoadInitialState	  off
  InitialState		  "xInitial"
  SaveTime		  on
  TimeSaveName		  "tout"
  SaveState		  off
  StateSaveName		  "xout"
  SaveOutput		  on
  OutputSaveName	  "yout"
  SaveFinalState	  off
  FinalStateName	  "xFinal"
  SaveFormat		  "Array"
  Decimation		  "1"
  LimitDataPoints	  off
  MaxDataPoints		  "1000"
  SignalLoggingName	  "sigsOut"
  ConsistencyChecking	  "none"
  ArrayBoundsChecking	  "none"
  AlgebraicLoopMsg	  "warning"
  BlockPriorityViolationMsg "warning"
  MinStepSizeMsg	  "warning"
  InheritedTsInSrcMsg	  "warning"
  DiscreteInheritContinuousMsg "warning"
  MultiTaskRateTransMsg	  "error"
  SingleTaskRateTransMsg  "none"
  CheckForMatrixSingularity "none"
  IntegerOverflowMsg	  "none"
  Int32ToFloatConvMsg	  "warning"
  ParameterDowncastMsg	  "error"
  ParameterOverflowMsg	  "error"
  ParameterPrecisionLossMsg "warning"
  UnderSpecifiedDataTypeMsg "none"
  UnnecessaryDatatypeConvMsg "none"
  VectorMatrixConversionMsg "none"
  InvalidFcnCallConnMsg	  "error"
  SignalLabelMismatchMsg  "none"
  UnconnectedInputMsg	  "warning"
  UnconnectedOutputMsg	  "warning"
  UnconnectedLineMsg	  "warning"
  SfunCompatibilityCheckMsg "none"
  RTWInlineParameters	  off
  BlockReductionOpt	  on
  BooleanDataType	  off
  ConditionallyExecuteInputs on
  ParameterPooling	  on
  OptimizeBlockIOStorage  on
  ZeroCross		  on
  AssertionControl	  "UseLocalSettings"
  ProdHWDeviceType	  "Microprocessor"
  ProdHWWordLengths	  "8,16,32,32"
  RTWSystemTargetFile	  "grt.tlc"
  RTWTemplateMakefile	  "grt_default_tmf"
  RTWMakeCommand	  "make_rtw"
  RTWGenerateCodeOnly	  off
  RTWRetainRTWFile	  off
  TLCProfiler		  off
  TLCDebug		  off
  TLCCoverage		  off
  TLCAssertion		  off
  RTWOptions		  " -aRollThreshold=2"
  BlockDefaults {
    Orientation		    "right"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    NamePlacement	    "normal"
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    "normal"
    FontAngle		    "normal"
    ShowName		    on
  }
  BlockParameterDefaults {
    Block {
      BlockType		      Clock
      DisplayTime	      off
    }
    Block {
      BlockType		      Constant
      Value		      "1"
      VectorParams1D	      on
      ShowAdditionalParam     off
      OutDataTypeMode	      "Inherit from 'Constant value'"
      OutDataType	      "sfix(16)"
      ConRadixGroup	      "Use specified scaling"
      OutScaling	      "2^0"
    }
    Block {
      BlockType		      Demux
      Outputs		      "4"
      DisplayOption	      "none"
      BusSelectionMode	      off
    }
    Block {
      BlockType		      EnablePort
      StatesWhenEnabling      "held"
      ShowOutputPort	      off
      ZeroCross		      on
    }
    Block {
      BlockType		      Fcn
      Expr		      "sin(u[1])"
    }
    Block {
      BlockType		      Gain
      Gain		      "1"
      Multiplication	      "Element-wise(K.*u)"
      ShowAdditionalParam     off
      ParameterDataTypeMode   "Same as input"
      ParameterDataType	      "sfix(16)"
      ParameterScalingMode    "Best Precision: Matrix-wise"
      ParameterScaling	      "2^0"
      OutDataTypeMode	      "Same as input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
    }
    Block {
      BlockType		      Ground
    }
    Block {
      BlockType		      Inport
      Port		      "1"
      PortDimensions	      "-1"
      SampleTime	      "-1"
      ShowAdditionalParam     off
      LatchInput	      off
      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      Interpolate	      on
    }
    Block {
      BlockType		      Logic
      Operator		      "AND"
      Inputs		      "2"
      ShowAdditionalParam     off
      AllPortsSameDT	      on
      OutDataTypeMode	      "Logical (see Advanced Sim. Parameters)"
      LogicDataType	      "uint(8)"
    }
    Block {
      BlockType		      Memory
      X0		      "0"
      InheritSampleTime	      off
      LinearizeMemory	      off
      RTWStateStorageClass    "Auto"
    }
    Block {
      BlockType		      Mux
      Inputs		      "4"
      DisplayOption	      "none"
    }
    Block {
      BlockType		      Outport
      Port		      "1"
      OutputWhenDisabled      "held"
      InitialOutput	      "[]"
    }
    Block {
      BlockType		      Product
      Inputs		      "2"
      Multiplication	      "Element-wise(.*)"
      ShowAdditionalParam     off
      InputSameDT	      on
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
    }
    Block {
      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		      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		      Switch
      Criteria		      "u2 >= Threshold"
      Threshold		      "0"
      ShowAdditionalParam     off
      InputSameDT	      on
      OutDataTypeMode	      "Inherit via internal rule"
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
      ZeroCross		      on
    }
    Block {
      BlockType		      Terminator
    }
    Block {
      BlockType		      TriggerPort
      TriggerType	      "rising"
      ShowOutputPort	      off
      OutputDataType	      "auto"
      ZeroCross		      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		    "dsss_bpsk"
    Location		    [48, 170, 1002, 555]
    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    282
    ScreenColor		    "white"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "100"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      Reference
      Name		      "AWGN\nchannel"
      Ports		      [1, 1]
      Position		      [325, 103, 475, 167]
      BackgroundColor	      "green"
      SourceBlock	      "commchan/AWGN\nchannel"
      SourceType	      "AWGN Channel"
      seed		      "12345"
      noiseMode		      "Variance from mask"
      EsNodB		      "10"
      SNRdB		      "10"
      Ps		      "1"
      Tsym		      "1"
      variance		      "1"
      FrameBased	      off
      nChans		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "BPSK demod"
      Ports		      [1, 1]
      Position		      [580, 120, 645, 170]
      BackgroundColor	      "cyan"
      SourceBlock	      "com_ddm2/BPSK demod"
      SourceType	      "Passband BPSK demodulation"
      td		      "0.1"
      Fc		      "8000"
      Ph		      "0"
      ts		      ".02"
    }
    Block {
      BlockType		      Reference
      Name		      "BPSK mod"
      Ports		      [1, 1]
      Position		      [165, 102, 230, 148]
      BackgroundColor	      "cyan"
      SourceBlock	      "com_ddm2/BPSK mod"
      SourceType	      "Passband BPSK modulation"
      td		      "0.1"
      Fc		      "8000"
      Ph		      "0"
      ts		      ".02"
    }
    Block {
      BlockType		      Constant
      Name		      "Constant"
      Position		      [705, 204, 735, 226]
      ShowName		      off
      Value		      "4.5"
    }
    Block {
      BlockType		      Reference
      Name		      "Counter1"
      Ports		      [3, 1]
      Position		      [695, 138, 775, 182]
      ShowName		      off
      SourceBlock	      "commutil/Counter"
      SourceType	      "Resettable number counter"
      thld		      ".5"
    }
    Block {
      BlockType		      Reference
      Name		      "Error rate"
      Ports		      [2]
      Position		      [875, 138, 940, 182]
      SourceBlock	      "com_sour/Error rate"
      SourceType	      "Symbol/bit error counter"
      K			      "5"
      num_lin		      "15"
      TDelay		      "0"
      Sample		      "[1,0.9]"
    }
    Block {
      BlockType		      SubSystem
      Name		      "PN signal"
      Ports		      [1, 1]
      Position		      [165, 170, 240, 220]
      BackgroundColor	      "magenta"
      TreatAsAtomicUnit	      off
      MaskType		      "Pseudorandom sequence generator"
      MaskDescription	      "This block outputs a sequence of pseudorandom s"
"ignals with +1 and -1 values. The rising edge of the input synchronization pu"
"lse triggers the register shifting in the block to update the output."
      MaskHelp		      "See PN sequence block"
      MaskPromptString	      "Calculation base (M):|Generator polynomial (pol"
"y):|Initial states"
      MaskStyleString	      "edit,edit,edit"
      MaskTunableValueString  "on,on,on"
      MaskCallbackString      "||"
      MaskEnableString	      "on,on,on"
      MaskVisibilityString    "on,on,on"
      MaskToolTipString	      "on,on,on"
      MaskVarAliasString      ",,"
      MaskVariables	      "M=@1;poly=@2;ini_sta=@3;"
      MaskInitialization      "if M<=0,error('Scramble calculation base must b"
"e a positive integer.'); end\nif max(poly)>=M\nerror('Scramble polynomial coe"
"fficients must be  less than calculation base.');\nelseif min(poly)<0\ntmp=ze"
"ros(1, abs(min(poly))+1);\nfor i=1:length(poly), tmp(abs(poly(i))+1) = 1; end"
"\npoly = tmp;\nend\nif poly(1) == 0, poly(1) = 1; end\ns = length(poly)-1;"
      MaskDisplay	      "disp('Pseudorandom\\nsignals\\ngenerator')\nplo"
"t(0,0,100,100,[5 10 10 8 10 12 10 10 15]-5,[5 5 12 8 12 8 12 15 15]+40)"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "2|[0 -5 -6]|[1 1 0 1 0 1]"
      System {
	Name			"PN signal"
	Location		[219, 220, 669, 379]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"