qpsk.mdl

基于MATLAB的PSK系统仿真传输图

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      Tag		      "EyeDiagram"
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      Position		      [410, 285, 460, 335]
      Orientation	      "left"
      NamePlacement	      "alternate"
      SourceBlock	      "commsink2/Discrete-Time\nEye Diagram\nScope"
      SourceType	      "Discrete-Time Eye Diagram Scope"
      showPlotting	      on
      sampPerSymb	      "4"
      offsetEye		      "0"
      symbPerTrace	      "1"
      numTraces		      "40"
      numNewFrames	      "10"
      showRendering	      off
      LineStyles	      "-"
      LineColors	      "b"
      dupPoints		      on
      fading		      on
      render		      on
      AxisGrid		      on
      showAxes		      off
      yMin		      "-1.5"
      yMax		      "1.5"
      inphaseLabel	      "In-phase Amplitude"
      quadratureLabel	      "Quadrature Amplitude"
      showFigure	      off
      openScopeAtSimStart     on
      dispDiagram	      "In-phase and Quadrature"
      FrameNumber	      off
      FigPos		      "[232 34 560 644]"
      figTitle		      "Eye Diagram"
      block_type_	      "eye"
      numLinesMax	      "8"
    }
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      BlockType		      Reference
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      SourceType	      "Discrete-Time Scatter Plot Scope"
      showPlotting	      on
      sampPerSymb	      "1"
      offsetEye		      "0"
      numTraces		      "40"
      numNewFrames	      "10"
      showRendering	      off
      LineMarkers	      "."
      LineColors	      "b"
      fading		      on
      render		      on
      AxisGrid		      on
      showAxes		      off
      xMin		      "-1.5"
      xMax		      "1.5"
      yMin		      "-1.5"
      yMax		      "1.5"
      inphaseLabel	      "In-phase Amplitude"
      quadratureLabel	      "Quadrature Amplitude"
      showFigure	      off
      openScopeAtSimStart     on
      FrameNumber	      off
      FigPos		      "[232 118 560 560]"
      figTitle		      "Scatter Plot"
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      block_type_	      "scatter"
    }
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      BlockType		      Display
      Name		      "Display2"
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      Orientation	      "left"
      ShowName		      off
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    }
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      BlockType		      Reference
      Name		      "Error Rate\nCalculation"
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      Position		      [145, 210, 220, 265]
      Orientation	      "left"
      NamePlacement	      "alternate"
      SourceBlock	      "commsink2/Error Rate\nCalculation"
      SourceType	      "Error Rate Calculation"
      N			      "0"
      st_delay		      "0"
      cp_mode		      "Entire frame"
      subframe		      "[]"
      PMode		      "Workspace"
      WsName		      "ErrorVec"
      RsMode2		      off
      stop		      off
      numErr		      "1000"
      maxBits		      "1e6"
    }
    Block {
      BlockType		      Reference
      Name		      "FIR\nInterpolation"
      Ports		      [1, 1]
      Position		      [370, 14, 435, 66]
      SourceBlock	      "dspmlti3/FIR\nInterpolation"
      SourceType	      "FIR Interpolation"
      h			      "fir1(15,1/4)"
      L			      "8"
      framing		      "Maintain input frame size"
      outputBufInitCond	      "0"
    }
    Block {
      BlockType		      Reference
      Name		      "QPSK\nDemodulator\nBaseband"
      Ports		      [1, 1]
      Position		      [280, 215, 360, 265]
      Orientation	      "left"
      NamePlacement	      "alternate"
      SourceBlock	      "commdigbbndpm2/QPSK\nDemodulator\nBaseband"
      SourceType	      "QPSK Demodulator Baseband"
      OutType		      "Integer"
      Dec		      "Binary"
      Ph		      "pi/4"
      numSamp		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "QPSK\nModulator\nBaseband"
      Ports		      [1, 1]
      Position		      [260, 16, 335, 64]
      SourceBlock	      "commdigbbndpm2/QPSK\nModulator\nBaseband"
      SourceType	      "QPSK Modulator Baseband"
      InType		      "Integer"
      Enc		      "Binary"
      Ph		      "pi/4"
      numSamp		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Random Integer\nGenerator"
      Ports		      [0, 1]
      Position		      [130, 18, 210, 62]
      FontName		      "Arial"
      SourceBlock	      "commrandsrc2/Random Integer\nGenerator"
      SourceType	      "Random Integer Generator"
      mul		      "4"
      seed		      "37"
      Ts		      "0.001"
      frameBased	      off
      sampPerFrame	      "1"
      orient		      off
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
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      Position		      [55, 360, 85, 390]
      Orientation	      "left"
      NamePlacement	      "alternate"
      Location		      [188, 365, 512, 604]
      Open		      off
      NumInputPorts	      "1"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
      }
      DataFormat	      "StructureWithTime"
    }
    Block {
      BlockType		      Reference
      Name		      "Spectrum\nScope"
      Ports		      [1]
      Position		      [395, 105, 430, 155]
      SourceBlock	      "dspsnks4/Spectrum\nScope"
      SourceType	      "Spectrum Scope"
      ScopeProperties	      on
      Domain		      "Frequency"
      HorizSpan		      "1"
      UseBuffer		      on
      BufferSize	      "128"
      Overlap		      "64"
      inpFftLenInherit	      on
      FFTlength		      "128"
      numAvg		      "2"
      DisplayProperties	      off
      AxisGrid		      on
      Memory		      off
      FrameNumber	      on
      AxisLegend	      off
      AxisZoom		      off
      OpenScopeAtSimStart     on
      OpenScopeImmediately    off
      FigPos		      "get(0,'defaultfigureposition')"
      AxisProperties	      off
      XUnits		      "Hertz"
      XRange		      "[0...Fs/2]"
      InheritXIncr	      on
      XIncr		      "1.0"
      XLabel		      "Samples"
      YUnits		      "dB"
      YMin		      "-10"
      YMax		      "10"
      YLabel		      "Magnitude, dB"
      LineProperties	      off
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "To Work space"
      Position		      [25, 35, 85, 65]
      Orientation	      "left"
      NamePlacement	      "alternate"
      VariableName	      "simout"
      MaxDataPoints	      "inf"
      SampleTime	      "-1"
      SaveFormat	      "Structure"
    }
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      Points		      [25, 0]
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	DstPort			1
      }
      Branch {
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	DstBlock		"Error Rate\nCalculation"
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    }
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      Branch {
	DstBlock		"QPSK\nDemodulator\nBaseband"
	DstPort			1
      }
      Branch {
	Points			[0, 70]
	Branch {
	  DstBlock		  "Discrete-Time\nScatter Plot\nScope"
	  DstPort		  1
	}
	Branch {
	  DstBlock		  "Discrete-Time\nEye Diagram\nScope"
	  DstPort		  1
	}
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    }
    Line {
      SrcBlock		      "QPSK\nDemodulator\nBaseband"
      SrcPort		      1
      Points		      [-20, 0; 0, 10]
      Branch {
	DstBlock		"Error Rate\nCalculation"
	DstPort			2
      }
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	Points			[0, 125; -105, 0]
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		DstBlock		"Display2"
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	      Branch {
		Points			[0, -150]
		DstBlock		"To Work space"
		DstPort			1
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	    }
	  }
	}
      }
    }
  }
}