ssbdemo.mdl

来自「数字信号处理（机械工业出版社）的源码」· MDL 代码 · 共 679 行 · 第 1/2 页

      OpenScopeImmediately    off
      FigPos		      "[399 256 382 346]"
      AxisProperties	      on
      XUnits		      "Hertz"
      XRange		      "[0...Fs/2]"
      InheritXIncr	      on
      XIncr		      "1"
      XLabel		      "Samples"
      YUnits		      "dB"
      YMin		      "-124.156289978703"
      YMax		      "13.9194893778784"
      YLabel		      "Magnitude, dB"
      LineProperties	      off
      LineColors	      "|[1 0 1]|[0 0 1]"
    }
    Block {
      BlockType		      ComplexToRealImag
      Name		      "Complex to\nReal-Imag"
      Ports		      [1, 2]
      Position		      [180, 83, 230, 127]
      ShowName		      off
      Output		      "Real and imag"
    }
    Block {
      BlockType		      Demux
      Name		      "Demux"
      Ports		      [1, 2]
      Position		      [230, 156, 235, 194]
      BackgroundColor	      "black"
      ShowName		      off
      Outputs		      "2"
    }
    Block {
      BlockType		      Sum
      Name		      "Down"
      Ports		      [2, 1]
      Position		      [425, 95, 445, 115]
      Inputs		      "-+"
      Port {
	PortNumber		1
	Name			"Lower\nSideband"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"1"
	DataLoggingLimitDataPoints off
	DataLoggingMaxPoints	"5000"
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "Frame Based"
      Ports		      []
      Position		      [35, 169, 108, 225]
      BackgroundColor	      "cyan"
      DropShadow	      on
      NamePlacement	      "alternate"
      ShowName		      off
      OpenFcn		      "ssbdemof;"
      TreatAsAtomicUnit	      off
      MaskDisplay	      "disp('Frame-based\\nVersion')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      System {
	Name			"Frame Based"
	Location		[311, 399, 652, 702]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
      }
    }
    Block {
      BlockType		      Reference
      Name		      "I/Q"
      Ports		      [0, 1]
      Position		      [155, 155, 195, 195]
      SourceBlock	      "dspsrcs4/Sine Wave"
      SourceType	      "Sine Wave"
      Amplitude		      "1"
      Frequency		      "2"
      Phase		      "[0 pi/2]"
      SampleMode	      "Discrete"
      OutComplex	      "Real"
      CompMethod	      "Trigonometric fcn"
      TableSize		      "Speed"
      SampleTime	      "0.1"
      SamplesPerFrame	      "1"
      additionalParams	      off
      dataType		      "double"
      wordLen		      "16"
      udDataType	      "sfix(16)"
      fracBitsMode	      "User-defined"
      numFracBits	      "14"
      ResetState	      "Restart at time zero"
    }
    Block {
      BlockType		      Mux
      Name		      "Mux"
      Ports		      [3, 1]
      Position		      [575, 46, 580, 94]
      ShowName		      off
      Inputs		      "3"
      DisplayOption	      "bar"
    }
    Block {
      BlockType		      Product
      Name		      "Product"
      Ports		      [2, 1]
      Position		      [285, 88, 315, 112]
      ShowName		      off
      Port {
	PortNumber		1
	Name			"Modulated\nInput"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"1"
	DataLoggingLimitDataPoints off
	DataLoggingMaxPoints	"5000"
      }
    }
    Block {
      BlockType		      Product
      Name		      "Product1"
      Ports		      [2, 1]
      Position		      [285, 168, 315, 192]
      ShowName		      off
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [2]
      Position		      [620, 134, 655, 181]
      Location		      [137, 527, 474, 859]
      Open		      on
      NumInputPorts	      "2"
      ZoomMode		      "xonly"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
	axes2			"%<SignalLabel>"
      }
      List {
	ListType		SelectedSignals
	axes1			""
	axes2			""
      }
      TimeRange		      "3"
      YMin		      "-1.2~-1.2"
      YMax		      "1.2~1.2"
      DataFormat	      "Array"
    }
    Block {
      BlockType		      Reference
      Name		      "Sine Wave"
      Ports		      [0, 1]
      Position		      [25, 85, 65, 125]
      SourceBlock	      "dspsrcs4/Sine Wave"
      SourceType	      "Sine Wave"
      Amplitude		      "1"
      Frequency		      "0.5"
      Phase		      "0"
      SampleMode	      "Discrete"
      OutComplex	      "Real"
      CompMethod	      "Trigonometric fcn"
      TableSize		      "Speed"
      SampleTime	      "0.1"
      SamplesPerFrame	      "1"
      additionalParams	      off
      dataType		      "double"
      wordLen		      "16"
      udDataType	      "sfix(16)"
      fracBitsMode	      "User-defined"
      numFracBits	      "14"
      ResetState	      "Restart at time zero"
    }
    Block {
      BlockType		      Sum
      Name		      "Up"
      Ports		      [2, 1]
      Position		      [425, 165, 445, 185]
      Port {
	PortNumber		1
	Name			"Upper\nSideband"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"1"
	DataLoggingLimitDataPoints off
	DataLoggingMaxPoints	"5000"
      }
    }
    Line {
      SrcBlock		      "Sine Wave"
      SrcPort		      1
      DstBlock		      "Analytic Signal"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Analytic Signal"
      SrcPort		      1
      DstBlock		      "Complex to\nReal-Imag"
      DstPort		      1
    }
    Line {
      Name		      "Modulated\nInput"
      SrcBlock		      "Product"
      SrcPort		      1
      Points		      [0, 0; 20, 0]
      Branch {
	Points			[0, 0]
	Branch {
	  DstBlock		  "Down"
	  DstPort		  1
	}
	Branch {
	  DstBlock		  "Up"
	  DstPort		  1
	}
      }
      Branch {
	Labels			[-1, 1]
	Points			[0, -45]
	DstBlock		"Mux"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Product1"
      SrcPort		      1
      Points		      [0, 0; 20, 0]
      Branch {
	DstBlock		"Up"
	DstPort			2
      }
      Branch {
	DstBlock		"Down"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Complex to\nReal-Imag"
      SrcPort		      2
      Points		      [35, 0]
      DstBlock		      "Product1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Demux"
      SrcPort		      2
      DstBlock		      "Product1"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Complex to\nReal-Imag"
      SrcPort		      1
      DstBlock		      "Product"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Demux"
      SrcPort		      1
      Points		      [20, 0; 0, -60]
      DstBlock		      "Product"
      DstPort		      2
    }
    Line {
      Name		      "Lower\nSideband"
      SrcBlock		      "Down"
      SrcPort		      1
      Points		      [0, 0; 60, 0]
      Branch {
	Points			[0, 40]
	DstBlock		"Scope"
	DstPort			1
      }
      Branch {
	Labels			[1, 0]
	Points			[0, -35]
	DstBlock		"Mux"
	DstPort			2
      }
    }
    Line {
      Name		      "Upper\nSideband"
      Labels		      [1, 1]
      SrcBlock		      "Up"
      SrcPort		      1
      Points		      [75, 0; 0, -5]
      Branch {
	Points			[0, -85]
	DstBlock		"Mux"
	DstPort			3
      }
      Branch {
	DstBlock		"Scope"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "I/Q"
      SrcPort		      1
      DstBlock		      "Demux"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Mux"
      SrcPort		      1
      DstBlock		      "Buffered FFT\nFrame Scope"
      DstPort		      1
    }
    Annotation {
      Name		      "Demonstration of\nSingle Sideband (SSB)\nModula"
"tion"
      Position		      [125, 29]
    }
  }
}