dsp2.mdl

DSB-SC信号的生成与解调 1) 用离散（DSP）的方法生成DSB信号 2) 载波频率为150KHz

      SystemSampleTime	      "-1"
      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
      RTWMemSecDataConstants  "Inherit from model"
      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
      m			      "0"
      d			      "1"
      s			      "41"
      Ts		      "0.00000167"
      frameBased	      off
      sampPerFrame	      "1"
      orient		      off
      outDataType	      "double"
    }
    Block {
      BlockType		      Reference
      Name		      "Gaussian Noise\nGenerator1"
      Ports		      [0, 1]
      Position		      [180, 563, 260, 607]
      SourceBlock	      "commnoisgen2/Gaussian Noise\nGenerator"
      SourceType	      "Gaussian Noise Generator"
      ShowPortLabels	      "FromPortIcon"
      SystemSampleTime	      "-1"
      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
      RTWMemSecDataConstants  "Inherit from model"
      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
      m			      "0"
      d			      "1"
      s			      "41"
      Ts		      "0.00000167"
      frameBased	      off
      sampPerFrame	      "1"
      orient		      off
      outDataType	      "double"
    }
    Block {
      BlockType		      Product
      Name		      "Product"
      Ports		      [2, 1]
      Position		      [205, 97, 235, 128]
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      OutDataTypeStr	      "Inherit: Inherit via internal rule"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.00000167"
    }
    Block {
      BlockType		      Product
      Name		      "Product1"
      Ports		      [2, 1]
      Position		      [500, 37, 530, 68]
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      OutDataTypeStr	      "Inherit: Inherit via internal rule"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.00000167"
    }
    Block {
      BlockType		      Product
      Name		      "Product2"
      Ports		      [2, 1]
      Position		      [200, 497, 230, 528]
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      OutDataTypeStr	      "Inherit: Inherit via internal rule"
      SaturateOnIntegerOverflow	off
      SampleTime	      "0.00000167"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope"
      Ports		      [5]
      Position		      [865, 176, 930, 344]
      Floating		      off
      Location		      [229, 181, 928, 688]
      Open		      on
      NumInputPorts	      "5"
      List {
	ListType		AxesTitles
	axes1			"OUT"
	axes2			"%<SignalLabel>"
	axes3			"%<SignalLabel>"
	axes4			"%<SignalLabel>"
	axes5			"IN"
      }
      TimeRange		      "10"
      YMin		      "-0.0002~-1.5~-3~-2~-2"
      YMax		      "0.0002500000000000001~2~4~2~0.75"
      DataFormat	      "StructureWithTime"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Scope
      Name		      "Scope2"
      Ports		      [5]
      Position		      [860, 396, 925, 564]
      Floating		      off
      Location		      [126, 117, 879, 685]
      Open		      off
      NumInputPorts	      "5"
      List {
	ListType		AxesTitles
	axes1			"OUT"
	axes2			"%<SignalLabel>"
	axes3			"%<SignalLabel>"
	axes4			"%<SignalLabel>"
	axes5			"IN"
      }
      YMin		      "-5~-5~-5~-5~-5"
      YMax		      "5~5~5~5~5"
      SaveName		      "ScopeData2"
      DataFormat	      "StructureWithTime"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Sin
      Name		      "carrier"
      Ports		      [0, 1]
      Position		      [70, 195, 100, 225]
      Frequency		      "300000*pi"
      SampleTime	      "0.000000167"
    }
    Block {
      BlockType		      Sin
      Name		      "carrier1"
      Ports		      [0, 1]
      Position		      [425, 30, 455, 60]
      Frequency		      "300000*pi"
      SampleTime	      "0.000000167"
    }
    Block {
      BlockType		      Sin
      Name		      "carrier2"
      Ports		      [0, 1]
      Position		      [65, 595, 95, 625]
      Frequency		      "300000*pi"
      SampleTime	      "0.000000167"
    }
    Line {
      SrcBlock		      "500hz"
      SrcPort		      1
      Points		      [10, 0; 0, 25]
      DstBlock		      "Add"
      DstPort		      1
    }
    Line {
      SrcBlock		      "2000hz"
      SrcPort		      1
      Points		      [10, 0; 0, -20]
      DstBlock		      "Add"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Add"
      SrcPort		      1
      Points		      [0, 0; 5, 0]
      Branch {
	DstBlock		"Product"
	DstPort			1
      }
      Branch {
	Points			[0, -75]
	DstBlock		"Averaging\nPower Spectral\nDensity2"
	DstPort			1
      }
      Branch {
	Points			[0, 225]
	DstBlock		"Scope"
	DstPort			5
      }
    }
    Line {
      SrcBlock		      "carrier"
      SrcPort		      1
      Points		      [40, 0; 0, -90]
      DstBlock		      "Product"
      DstPort		      2
    }
    Line {
      SrcBlock		      "carrier1"
      SrcPort		      1
      DstBlock		      "Product1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Digital\nFilter Design"
      SrcPort		      1
      Points		      [15, 0]
      Branch {
	DstBlock		"Averaging\nPower Spectral\nDensity1"
	DstPort			1
      }
      Branch {
	Points			[0, 135]
	DstBlock		"Scope"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Product"
      SrcPort		      1
      Points		      [30, 0]
      Branch {
	DstBlock		"Add1"
	DstPort			1
      }
      Branch {
	Points			[0, 180]
	DstBlock		"Scope"
	DstPort			4
      }
    }
    Line {
      SrcBlock		      "Gaussian Noise\nGenerator"
      SrcPort		      1
      Points		      [10, 0; 0, -55]
      DstBlock		      "Add1"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Add1"
      SrcPort		      1
      Points		      [0, 0; 10, 0]
      Branch {
	DstBlock		"Digital\nFilter Design1"
	DstPort			1
      }
      Branch {
	Points			[0, 100]
	Branch {
	  DstBlock		  "Averaging\nPower Spectral\nDensity"
	  DstPort		  1
	}
	Branch {
	  Points		  [0, 35]
	  DstBlock		  "Scope"
	  DstPort		  3
	}
      }
    }
    Line {
      SrcBlock		      "Digital\nFilter Design1"
      SrcPort		      1
      Points		      [5, 0]
      Branch {
	Points			[20, 0; 0, -65]
	DstBlock		"Product1"
	DstPort			2
      }
      Branch {
	Points			[0, 100]
	DstBlock		"Scope"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Product1"
      SrcPort		      1
      DstBlock		      "Digital\nFilter Design"
      DstPort		      1
    }
    Line {
      SrcBlock		      "500hz1"
      SrcPort		      1
      Points		      [10, 0; 0, 25]
      DstBlock		      "Add2"
      DstPort		      1
    }
    Line {
      SrcBlock		      "2000hz1"
      SrcPort		      1
      Points		      [10, 0; 0, -20]
      DstBlock		      "Add2"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Add2"
      SrcPort		      1
      Points		      [5, 0]
      Branch {
	DstBlock		"Product2"
	DstPort			1
      }
      Branch {
	Points			[0, -95]
	DstBlock		"Averaging\nPower Spectral\nDensity4"
	DstPort			1
      }
      Branch {
	Points			[0, 130; 670, 0]
	DstBlock		"Scope2"
	DstPort			5
      }