?? msk.mdl
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DataFormat "Array"
}
Block {
BlockType Scope
Name "s_rs(t)"
Ports [1]
Position [465, 230, 495, 260]
Orientation "down"
Location [360, 732, 1280, 832]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-2.000000"
YMax "2.000000"
DataFormat "Array"
}
Block {
BlockType SubSystem
Name "threshold\ndetector"
Ports [1, 1]
Position [680, 113, 710, 147]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "Sign"
MaskDescription "y = sign(x)"
MaskHelp "Sign Function:\\n\\t\\t\\ty = 1 if x > 0\\n"
"\\t\\t\\ty = 0 if x = 0\\n\\t\\t\\ty = -1 if x < 0"
MaskDisplay "plot(-50,-50,50,50,[-50,50],[0,0],[0,0],[-5"
"0,50],[-40,0],[-30,-30],[0,40],[30,30])"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "threshold\ndetector"
Location [159, 417, 467, 586]
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 Constant
Name "Constant"
Position [65, 105, 85, 125]
Value "0"
}
Block {
BlockType RelationalOperator
Name "Relational\nOperator"
Position [140, 32, 170, 63]
Operator ">"
}
Block {
BlockType RelationalOperator
Name "Relational\nOperator1"
Position [140, 92, 170, 123]
Operator "<"
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1]
Position [215, 64, 235, 91]
Inputs "+-"
}
Block {
BlockType Outport
Name "out_1"
Position [265, 70, 285, 90]
}
Line {
SrcBlock "in_1"
SrcPort 1
Points [35, 0]
Branch {
DstBlock "Relational\nOperator"
DstPort 1
}
Branch {
Points [0, 60]
DstBlock "Relational\nOperator1"
DstPort 1
}
}
Line {
SrcBlock "Constant"
SrcPort 1
Points [20, 0]
Branch {
DstBlock "Relational\nOperator1"
DstPort 2
}
Branch {
Points [0, -60]
DstBlock "Relational\nOperator"
DstPort 2
}
}
Line {
SrcBlock "Relational\nOperator1"
SrcPort 1
Points [10, 0; 0, -25]
DstBlock "Sum"
DstPort 2
}
Line {
SrcBlock "Relational\nOperator"
SrcPort 1
Points [10, 0; 0, 20]
DstBlock "Sum"
DstPort 1
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "out_1"
DstPort 1
}
}
}
Block {
BlockType Scope
Name "v(t)"
Ports [1]
Position [905, 60, 935, 90]
Orientation "up"
Location [360, 924, 1280, 1024]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-2.000000"
YMax "2.000000"
DataFormat "Array"
}
Block {
BlockType Scope
Name "x_c(t)"
Ports [1]
Position [290, 10, 320, 40]
Orientation "up"
Location [360, 437, 1280, 537]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-2.000000"
YMax "2.000000"
DataFormat "Array"
}
Block {
BlockType Scope
Name "x_s(t)"
Ports [1]
Position [285, 230, 315, 260]
Orientation "down"
Location [360, 634, 1280, 734]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-2.000000"
YMax "2.000000"
DataFormat "Array"
}
Block {
BlockType Scope
Name "y(t)"
Ports [1]
Position [835, 60, 865, 90]
Orientation "up"
Location [360, 830, 1280, 930]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-2.000000"
YMax "2.000000"
DataFormat "Array"
}
Block {
BlockType Outport
Name "detected \nsymbol"
Position [955, 115, 975, 135]
}
Block {
BlockType Outport
Name "detected\nbit"
Position [955, 195, 975, 215]
Port "2"
}
Line {
SrcBlock "Fcn3"
SrcPort 1
Points [5, 0; 0, -30]
DstBlock "Product3"
DstPort 2
}
Line {
SrcBlock "Clock"
SrcPort 1
Points [0, 0]
Branch {
DstBlock "Fcn3"
DstPort 1
}
Branch {
DstBlock "Fcn2"
DstPort 1
}
}
Line {
SrcBlock "Product3"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "x_c(t)"
DstPort 1
}
Branch {
DstBlock "ButterworthLP filter"
DstPort 1
}
}
Line {
SrcBlock "Product4"
SrcPort 1
Points [10, 0]
Branch {
DstBlock "x_s(t)"
DstPort 1
}
Branch {
DstBlock "ButterworthLP filter_"
DstPort 1
}
}
Line {
SrcBlock "Fcn2"
SrcPort 1
Points [5, 0; 0, 30]
DstBlock "Product4"
DstPort 1
}
Line {
SrcBlock "Pulse\nGenerator1"
SrcPort 1
DstBlock "Switch"
DstPort 2
}
Line {
SrcBlock "noisy\nMSK signal"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "r(t)"
DstPort 1
}
Branch {
Points [20, 0]
Branch {
Points [0, 55]
DstBlock "Product4"
DstPort 2
}
Branch {
Points [0, -55]
DstBlock "Product3"
DstPort 1
}
}
}
Line {
SrcBlock "differential\ndecoding"
SrcPort 1
Points [20, 0]
Branch {
DstBlock "detected \nsymbol"
DstPort 1
}
Branch {
DstBlock "v(t)"
DstPort 1
}
}
Line {
SrcBlock "Switch"
SrcPort 1
DstBlock "threshold\ndetector"
DstPort 1
}
Line {
SrcBlock "ButterworthLP filter_"
SrcPort 1
DstBlock "Transport\nDelay"
DstPort 1
}
Line {
SrcBlock "Transport\nDelay"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "s_rs(t)"
DstPort 1
}
Branch {
Points [70, 0]
Branch {
Points [55, 0; 0, -40]
DstBlock "Switch"
DstPort 3
}
Branch {
Points [0, -135]
DstBlock "receiver diagrams"
DstPort 2
}
}
}
Line {
SrcBlock "ButterworthLP filter"
SrcPort 1
DstBlock "Transport\nDelay1"
DstPort 1
}
Line {
SrcBlock "Transport\nDelay1"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "s_rc(t)"
DstPort 1
}
Branch {
Points [55, 0]
Branch {
Points [70, 0; 0, 40]
DstBlock "Switch"
DstPort 1
}
Branch {
Points [0, -55]
DstBlock "receiver diagrams"
DstPort 1
}
}
}
Line {
SrcBlock "Constant"
SrcPort 1
Points [-10, 0]
DstBlock "Schalter1"
DstPort 3
}
Line {
SrcBlock "Step Input"
SrcPort 1
Points [10, 0; 0, -65]
DstBlock "Schalter1"
DstPort 2
}
Line {
SrcBlock "threshold\ndetector"
SrcPort 1
DstBlock "Hold"
DstPort 1
}
Line {
SrcBlock "Hold"
SrcPort 1
DstBlock "Schalter1"
DstPort 1
}
Line {
SrcBlock "Schalter1"
SrcPort 1
Points [10, 0]
Branch {
DstBlock "differential\ndecoding"
DstPort 1
}
Branch {
DstBlock "y(t)"
DstPort 1
}
}
Line {
SrcBlock "differential\ndecoding"
SrcPort 2
Points [20, 0; 0, 55]
DstBlock "detected\nbit"
DstPort 1
}
}
}
Block {
BlockType SubSystem
Name "Transmitter"
Ports [0, 4]
Position [185, 73, 260, 157]
ShowPortLabels off
TreatAsAtomicUnit off
System {
Name "Transmitter"
Location [12, 430, 1021, 708]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Clock
Name "Clock"
Position [355, 125, 375, 145]
ShowName off
Decimation "10"
}
Block {
BlockType Fcn
Name "Fcn"
Position [410, 69, 490, 101]
ShowName off
Expr "abs(cos(1/2*pi*u-pi/2))"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [550, 108, 645, 132]
ShowName off
Expr "cos(4*pi*u)"
}
Block {
BlockType Fcn
Name "Fcn2"
Position [550, 143, 645, 167]
ShowName off
Expr "sin(4*pi*u)"
}
Block {
BlockType Fcn
Name "Fcn3"
Position [410, 164, 490, 196]
ShowName off
Expr "abs(cos(1/2*pi*u))"
}
Block {
BlockType Product
Name "Product2"
Ports [2, 1]
Position [715, 218, 745, 242]
ShowName off
}
Block {
BlockType Product
Name "Product3"
Ports [2, 1]
Position [715, 33, 745, 57]
ShowName off
}
Block {
BlockType Product
Name "Product4"
Ports [2, 1]
Position [530, 28, 560, 52]
ShowName off
}
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