xhblock.mdl

信号实验常用的simulink模型和mfile,可直接在matlan下运行。

      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "20|20|1|1"
      System {
	Name			"方波信号"
	Location		[158, 441, 759, 682]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	AutoZoom		on
	Block {
	  BlockType		  Clock
	  Name			  "Clock1"
	  Position		  [295, 100, 315, 120]
	  ShowName		  off
	  DisplayTime		  off
	  Decimation		  "10"
	}
	Block {
	  BlockType		  Constant
	  Name			  "Constant"
	  Position		  [25, 30, 45, 50]
	  Value			  "1"
	}
	Block {
	  BlockType		  Constant
	  Name			  "Constant1"
	  Position		  [295, 149, 320, 171]
	  Value			  "stt"
	}
	Block {
	  BlockType		  Gain
	  Name			  "Gain"
	  Position		  [510, 102, 535, 128]
	  ShowName		  off
	  Gain			  "ht"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  Logic
	  Name			  "Logical\nOperator"
	  Ports			  [2, 1, 0, 0, 0]
	  Position		  [285, 38, 315, 62]
	  Operator		  "XOR"
	  Inputs		  "2"
	}
	Block {
	  BlockType		  Logic
	  Name			  "Logical\nOperator1"
	  Ports			  [1, 1, 0, 0, 0]
	  Position		  [355, 38, 385, 62]
	  Operator		  "NOT"
	  Inputs		  "1"
	}
	Block {
	  BlockType		  Product
	  Name			  "Product"
	  Ports			  [2, 1, 0, 0, 0]
	  Position		  [455, 105, 480, 125]
	  ShowName		  off
	  Inputs		  "2"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  RelationalOperator
	  Name			  "Relational\noperator"
	  Position		  [370, 102, 400, 133]
	  ShowName		  off
	  Operator		  ">="
	}
	Block {
	  BlockType		  Sum
	  Name			  "Sum"
	  Ports			  [2, 1, 0, 0, 0]
	  Position		  [135, 35, 155, 55]
	  ShowName		  off
	  IconShape		  "rectangular"
	  Inputs		  "+-"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  Sum
	  Name			  "Sum1"
	  Ports			  [2, 1, 0, 0, 0]
	  Position		  [130, 120, 150, 140]
	  ShowName		  off
	  IconShape		  "rectangular"
	  Inputs		  "+-"
	  SaturateOnIntegerOverflow on
	}
	Block {
	  BlockType		  UnitDelay
	  Name			  "Unit Delay"
	  Position		  [145, 75, 195, 95]
	  Orientation		  "left"
	  X0			  "0"
	  SampleTime		  "[Ts,st1]"
	}
	Block {
	  BlockType		  UnitDelay
	  Name			  "Unit Delay1"
	  Position		  [140, 165, 190, 185]
	  Orientation		  "left"
	  X0			  "ini"
	  SampleTime		  "[Ts,st2]"
	}
	Block {
	  BlockType		  Outport
	  Name			  "out_1"
	  Position		  [560, 105, 580, 125]
	  ShowName		  off
	  Port			  "1"
	  OutputWhenDisabled	  "held"
	  InitialOutput		  "[]"
	}
	Line {
	  SrcBlock		  "Logical\nOperator1"
	  SrcPort		  1
	  Points		  [40, 0; 0, 60]
	  DstBlock		  "Product"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Logical\nOperator"
	  SrcPort		  1
	  DstBlock		  "Logical\nOperator1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Constant1"
	  SrcPort		  1
	  Points		  [20, 0; 0, -35]
	  DstBlock		  "Relational\noperator"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Gain"
	  SrcPort		  1
	  DstBlock		  "out_1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Product"
	  SrcPort		  1
	  DstBlock		  "Gain"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Relational\noperator"
	  SrcPort		  1
	  DstBlock		  "Product"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Clock1"
	  SrcPort		  1
	  DstBlock		  "Relational\noperator"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Unit Delay"
	  SrcPort		  1
	  Points		  [-35, 0; 0, -35]
	  DstBlock		  "Sum"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Sum"
	  SrcPort		  1
	  Points		  [0, 0]
	  Branch {
	    Points		    [70, 0; 0, 40]
	    DstBlock		    "Unit Delay"
	    DstPort		    1
	  }
	  Branch {
	    DstBlock		    "Logical\nOperator"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Constant"
	  SrcPort		  1
	  Points		  [0, 0]
	  Branch {
	    DstBlock		    "Sum"
	    DstPort		    1
	  }
	  Branch {
	    Points		    [20, 0; 0, 85]
	    DstBlock		    "Sum1"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Sum1"
	  SrcPort		  1
	  Points		  [0, 0]
	  Branch {
	    Points		    [55, 0; 0, 45]
	    DstBlock		    "Unit Delay1"
	    DstPort		    1
	  }
	  Branch {
	    Points		    [90, 0; 0, -75]
	    DstBlock		    "Logical\nOperator"
	    DstPort		    2
	  }
	}
	Line {
	  SrcBlock		  "Unit Delay1"
	  SrcPort		  1
	  Points		  [-35, 0; 0, -40]
	  DstBlock		  "Sum1"
	  DstPort		  2
	}
      }
    }
    Block {
      BlockType		      Gain
      Name		      "放大器"
      Position		      [255, 163, 300, 197]
      FontName		      "宋体, 163, 3"
      FontSize		      12
      Gain		      "1"
      SaturateOnIntegerOverflow	on
    }
    Block {
      BlockType		      Integrator
      Name		      "积分器"
      Ports		      [1, 1, 0, 0, 0]
      Position		      [405, 166, 440, 204]
      FontName		      "宋体, 166, 4"
      FontSize		      12
      ExternalReset	      "none"
      InitialConditionSource  "internal"
      InitialCondition	      "0"
      LimitOutput	      off
      UpperSaturationLimit    "inf"
      LowerSaturationLimit    "-inf"
      ShowSaturationPort      off
      ShowStatePort	      off
      AbsoluteTolerance	      "auto"
    }
    Block {
      BlockType		      Sum
      Name		      "加法器"
      Ports		      [2, 1, 0, 0, 0]
      Position		      [180, 159, 220, 201]
      FontName		      "宋体, 159, 2"
      FontSize		      12
      IconShape		      "rectangular"
      Inputs		      "++"
      SaturateOnIntegerOverflow	on
    }
    Block {
      BlockType		      Step
      Name		      "阶跃输入"
      Position		      [240, 89, 275, 131]
      FontName		      "宋体, 89, 27"
      FontSize		      12
      Time		      "1"
      Before		      "0"
      After		      "1"
      SampleTime	      "-1"
    }
    Block {
      BlockType		      SubSystem
      Name		      "频谱分析仪"
      Ports		      [1, 0, 0, 0, 0]
      Position		      [475, 89, 505, 131]
      DropShadow	      on
      CopyFcn		      "ssfunpsd([],[],[],'CopyBlock')"
      DeleteFcn		      "ssfunpsd([],[],[],'DeleteBlock')"
      LoadFcn		      "ssfunpsd([],[],[],'LoadBlock')"
      StartFcn		      "ssfunpsd([],[],[],'Start')"
      NameChangeFcn	      "ssfunpsd([],[],[],'NameChange')"
      FontName		      "宋体npsd([],"
      FontSize		      12
      ShowPortLabels	      off
      MaskType		      "频谱分析仪],[],[],'NameChange')),35,35,20,20,10"
"],["
      MaskDescription	      "频谱分析仪（利用图形窗口显示实时结果）5 2.5],[5"
" 9],[1.5 1.5],[9 9],[2.5 1.5],[9 11],[2 2],[11:1/7:12],[2 2.5 2.707length(ht)"
",1);end;k to see how it works.1/7:12],[2 2.5 2.707 2.866 2.866 2.7"
      MaskHelp		      "当把该模块连接到一个系统的输出时，将以图形窗口"
"