PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "in_1"
	  Position		  [35, 30, 55, 50]
	}
	Block {
	  BlockType		  DiscreteFilter
	  Name			  "Filter"
	  Position		  [255, 31, 310, 69]
	  Numerator		  "num"
	  Denominator		  "den"
	  SampleTime		  "ts"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Memory Impulse"
	  Ports			  [2, 1]
	  Position		  [155, 30, 225, 70]
	  ShowPortLabels	  off
	  TreatAsAtomicUnit	  off
	  MaskType		  "Impulse"
	  MaskDescription	  "1/sinc filter:"
	  MaskHelp		  "When the threshold is greater than zero, th"
"is block outputs an impulse signal, which begins at the raising edge of the s"
"econd input and lasts the holding time. The impulse holds a constant amplitud"
"e, which equals the amplitude of the first input at the begining of the impul"
"se. A clock raising edge will trigger next impulse. When the threshold is les"
"s or equal to zero, this block faithfully outputs the first input."
	  MaskPromptString	  "Holding time:|Threshold for clock pulse: "
	  MaskStyleString	  "edit,edit"
	  MaskTunableValueString  "on,on"
	  MaskCallbackString	  "|"
	  MaskEnableString	  "on,on"
	  MaskVisibilityString	  "on,on"
	  MaskToolTipString	  "on,on"
	  MaskVarAliasString	  ","
	  MaskInitialization	  "ts=@1;thr=@2;x=thr>0;"
	  MaskDisplay		  "disp('1/sinc')"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "ts|x"
	  System {
	    Name		    "Memory Impulse"
	    Location		    [541, 520, 939, 745]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "in_1"
	      Position		      [35, 185, 55, 205]
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "in_2"
	      Position		      [25, 30, 45, 50]
	      Port		      "2"
	    }
	    Block {
	      BlockType		      Constant
	      Name		      "Constant"
	      Position		      [210, 155, 230, 175]
	      Value		      "x"
	    }
	    Block {
	      BlockType		      Product
	      Name		      "Product"
	      Ports		      [2, 1]
	      Position		      [155, 90, 180, 110]
	    }
	    Block {
	      BlockType		      Switch
	      Name		      "Switch"
	      Position		      [295, 124, 320, 156]
	      Threshold		      ".5"
	    }
	    Block {
	      BlockType		      ZeroOrderHold
	      Name		      "Zero-Order\nHold"
	      Position		      [205, 84, 240, 116]
	      SampleTime	      "ts"
	    }
	    Block {
	      BlockType		      SubSystem
	      Name		      "discrete\nRising edge\ndetector"
	      Ports		      [1, 1]
	      Position		      [65, 26, 120, 54]
	      ShowPortLabels	      off
	      TreatAsAtomicUnit	      off
	      MaskType		      "Edge Detection"
	      MaskDescription	      "Rising edge detection:"
	      MaskHelp		      "When the input signal rising edge passe"
"d the given shreshold, this block outputs one, otherwise outputs zero."
	      MaskPromptString	      "Threshold:|Sampling time:"
	      MaskStyleString	      "edit,edit"
	      MaskTunableValueString  "on,on"
	      MaskCallbackString      "|"
	      MaskEnableString	      "on,on"
	      MaskVisibilityString    "on,on"
	      MaskToolTipString	      "on,on"
	      MaskVarAliasString      ","
	      MaskInitialization      "thld=@1;ts=@2;"
	      MaskDisplay	      "disp('Edge\\nDetector')"
	      MaskIconFrame	      on
	      MaskIconOpaque	      on
	      MaskIconRotate	      "none"
	      MaskIconUnits	      "autoscale"
	      MaskValueString	      "thr|ts"
	      System {
		Name			"discrete\nRising edge\ndetector"
		Location		[419, 521, 808, 713]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"white"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
		PaperUnits		"inches"
		ZoomFactor		"100"
		Block {
		  BlockType		  Inport
		  Name			  "in_1"
		  Position		  [10, 15, 30, 35]
		}
		Block {
		  BlockType		  RelationalOperator
		  Name			  "Relational\nOperator"
		  Position		  [135, 18, 165, 42]
		}
		Block {
		  BlockType		  RelationalOperator
		  Name			  "Relational\nOperator1"
		  Position		  [200, 88, 230, 112]
		}
		Block {
		  BlockType		  RelationalOperator
		  Name			  "Relational\nOperator2"
		  Position		  [265, 23, 295, 47]
		  Operator		  ">"
		}
		Block {
		  BlockType		  UnitDelay
		  Name			  "Unit Delay"
		  Position		  [120, 87, 170, 103]
		  SampleTime		  "ts"
		}
		Block {
		  BlockType		  Constant
		  Name			  "one1"
		  Position		  [30, 135, 60, 155]
		  Value			  "thld"
		}
		Block {
		  BlockType		  Outport
		  Name			  "out_1"
		  Position		  [340, 25, 360, 45]
		}
		Line {
		  SrcBlock		  "in_1"
		  SrcPort		  1
		  Points		  [10, 0]
		  Branch {
		    DstBlock		    "Relational\nOperator"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 70]
		    DstBlock		    "Unit Delay"
		    DstPort		    1
		  }
		}
		Line {
		  SrcBlock		  "Unit Delay"
		  SrcPort		  1
		  DstBlock		  "Relational\nOperator1"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "one1"
		  SrcPort		  1
		  Points		  [35, 0]
		  Branch {
		    Points		    [0, -110]
		    DstBlock		    "Relational\nOperator"
		    DstPort		    2
		  }
		  Branch {
		    Points		    [80, 0; 0, -40]
		    DstBlock		    "Relational\nOperator1"
		    DstPort		    2
		  }
		}
		Line {
		  SrcBlock		  "Relational\nOperator"
		  SrcPort		  1
		  DstBlock		  "Relational\nOperator2"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Relational\nOperator1"
		  SrcPort		  1
		  Points		  [5, 0; 0, -60]
		  DstBlock		  "Relational\nOperator2"
		  DstPort		  2
		}
		Line {
		  SrcBlock		  "Relational\nOperator2"
		  SrcPort		  1
		  DstBlock		  "out_1"
		  DstPort		  1
		}
	      }
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "out_1"
	      Position		      [355, 130, 375, 150]
	    }
	    Line {
	      SrcBlock		      "in_2"
	      SrcPort		      1
	      DstBlock		      "discrete\nRising edge\ndetector"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "discrete\nRising edge\ndetector"
	      SrcPort		      1
	      Points		      [5, 0; 0, 55]
	      DstBlock		      "Product"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Constant"
	      SrcPort		      1
	      Points		      [15, 0; 0, -25]
	      DstBlock		      "Switch"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Switch"
	      SrcPort		      1
	      DstBlock		      "out_1"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "in_1"
	      SrcPort		      1
	      Points		      [35, 0]
	      Branch {
		Points			[185, 0]
		DstBlock		"Switch"
		DstPort			3
	      }
	      Branch {
		Points			[0, -90]
		DstBlock		"Product"
		DstPort			2
	      }
	    }
	    Line {
	      SrcBlock		      "Product"
	      SrcPort		      1
	      DstBlock		      "Zero-Order\nHold"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Zero-Order\nHold"
	      SrcPort		      1
	      Points		      [15, 0; 0, 30]
	      DstBlock		      "Switch"
	      DstPort		      1
	    }
	  }
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Pulses deivide\nsame sample time1"
	  Ports			  [0, 1]
	  Position		  [35, 71, 95, 109]
	  ShowPortLabels	  off
	  TreatAsAtomicUnit	  off
	  MaskType		  "Pulse generator"
	  MaskDescription	  "Vector pulses with sample rate of each puls"
"e as Sample_time ./Divider. "
	  MaskHelp		  "This block generator a vector pulses. The o"
"utput length is the same as the vector defined in \"Divider\". The ith elemen"
"t of the output has the sample time Sample_time/Divider(i). All elements in "
"\"Divider\" must be integers."
	  MaskPromptString	  "Sample time (scalar, sec):|Divider (integer"
" vector):|Offset (have same dimension as Divider:"
	  MaskStyleString	  "edit,edit,edit"
	  MaskTunableValueString  "on,on,on"
	  MaskCallbackString	  "||"
	  MaskEnableString	  "on,on,on"
	  MaskVisibilityString	  "on,on,on"
	  MaskToolTipString	  "on,on,on"
	  MaskVarAliasString	  ",,"
	  MaskInitialization	  "samp_time=@1;out_divid=@2;offset=@3;"
	  MaskDisplay		  "disp('Vector\\nPulse')"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "td|1|off"
	  System {
	    Name		    "Pulses deivide\nsame sample time1"
	    Location		    [55, 192, 283, 286]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      "S-Function"
	      Name		      "S-function1"
	      Ports		      [0, 1]
	      Position		      [40, 31, 105, 59]
	      FunctionName	      "homopuls"
	      Parameters	      "samp_time, out_divid, offset"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Outport"
	      Position		      [160, 35, 180, 55]
	    }
	    Line {
	      SrcBlock		      "S-function1"
	      SrcPort		      1
	      DstBlock		      "Outport"
	      DstPort		      1
	    }
	  }
	}
	Block {
	  BlockType		  Outport
	  Name			  "out_1"
	  Position		  [330, 40, 350, 60]
	}
	Line {
	  SrcBlock		  "Filter"
	  SrcPort		  1
	  DstBlock		  "out_1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "in_1"
	  SrcPort		  1
	  DstBlock		  "Memory Impulse"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Memory Impulse"
	  SrcPort		  1
	  DstBlock		  "Filter"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Pulses deivide\nsame sample time1"
	  SrcPort		  1
	  Points		  [15, 0; 0, -30]
	  DstBlock		  "Memory Impulse"
	  DstPort		  2
	}
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "Root-RC\ntransmit filter"
      Ports		      [1, 1]
      Position		      [215, 103, 295, 147]
      ShowPortLabels	      off
      TreatAsAtomicUnit	      off
      MaskType		      "R-C filter"
      MaskDescription	      "Design a raised cosine filter and use it to fil"
"ter the input signal."
      MaskHelp		      "This block designs a raised cosine filter using"
" the specified parameter. The filter is used to filter the input signal. You "
"can optionally use the sinc filter in the filtering computation."
      MaskPromptString	      "Symbol interval (sec):|Computation sampling tim"
"e (sec):|Filter rolloff factor:|Delay step (integer to multiply symbol interv"
"al):|Filter type (FIR or IIR) / (Normal or Sqrt):|With or without sinc filter"
" (1 or 0, suggest 1):"
      MaskStyleString	      "edit,edit,edit,edit,edit,edit"
      MaskTunableValueString  "on,on,on,on,on,on"
      MaskCallbackString      "|||||"
      MaskEnableString	      "on,on,on,on,on,on"
      MaskVisibilityString    "on,on,on,on,on,on"
      MaskToolTipString	      "on,on,on,on,on,on"
      MaskVarAliasString      ",,,,,"
      MaskInitialization      "td=@1;if length(td)>1,off=td(2);td=td(1);else,o"
"ff=0;end;ts=@2;R=@3;delay=@4;fil=@5;[num,den]=rcosine(1/td(1),1/ts(1),fil,R,d"
"elay);x=@6/2;"
      MaskDisplay	      "disp('R-C\\nfilter')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "1|.05|.5|6|'FIR/Sqrt'|1"
      System {
	Name			"Root-RC\ntransmit filter"
	Location		[131, 545, 589, 761]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "in_1"
	  Position		  [35, 30, 55, 50]
	}
	Block {
	  BlockType		  DiscreteFilter
	  Name			  "Filter"
	  Position		  [255, 31, 310, 69]
	  Numerator		  "num"
	  Denominator		  "den"
	  SampleTime		  "ts"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Memory Impulse"
	  Ports			  [2, 1]
	  Position		  [155, 30, 225, 70]
	  ShowPortLabels	  off
	  TreatAsAtomicUnit	  off
	  MaskType		  "Impulse"
	  MaskDescription	  "1/sinc filter:"
	  MaskHelp		  "When the threshold is greater than zero, th"
"is block outputs an impulse signal, which begins at the raising edge of the s"
"econd input and lasts the holding time. The impulse holds a constant amplitud"
"e, which equals the amplitude of the first input at the begining of the impul"
"se. A clock raising edge will