📄 oqpnrzbw.mdl
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MaskDisplay "disp('Error\\nmeter')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "2|10|1.5|1"
System {
Name "Error rate"
Location [255, 368, 509, 510]
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 [15, 45, 35, 65]
}
Block {
BlockType Inport
Name "in_2"
Position [15, 60, 35, 80]
Port "2"
}
Block {
BlockType Mux
Name "Mux"
Ports [2, 1]
Position [65, 46, 100, 79]
Inputs "2"
}
Block {
BlockType "S-Function"
Name "S-function"
Ports [1]
Position [130, 52, 195, 78]
FunctionName "sbiterr"
Parameters "num_lin, K, TDelay, Sample"
}
Line {
SrcBlock "Mux"
SrcPort 1
DstBlock "S-function"
DstPort 1
}
Line {
SrcBlock "in_1"
SrcPort 1
DstBlock "Mux"
DstPort 1
}
Line {
SrcBlock "in_2"
SrcPort 1
DstBlock "Mux"
DstPort 2
}
}
}
Block {
BlockType SubSystem
Name "Receiver"
Ports [1, 1]
Position [650, 62, 725, 148]
ShowPortLabels off
TreatAsAtomicUnit off
System {
Name "Receiver"
Location [6, 109, 1014, 387]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "noisy\nOQPSK-\nSignal"
Position [25, 145, 45, 165]
}
Block {
BlockType Reference
Name "ButterworthLP filter"
Ports [1, 1]
Position [490, 69, 560, 111]
SourceBlock "librnew/ButterworthLP filter"
SourceType "Lowpass Butterworth filter"
MaskParam1 "5"
n "4"
}
Block {
BlockType Reference
Name "ButterworthLP filter1"
Ports [1, 1]
Position [485, 204, 555, 246]
SourceBlock "librnew/ButterworthLP filter"
SourceType "Lowpass Butterworth filter"
MaskParam1 "5"
n "4"
}
Block {
BlockType Clock
Name "Clock"
Position [145, 140, 165, 160]
ShowName off
Decimation "10"
}
Block {
BlockType Fcn
Name "Fcn"
Position [185, 119, 265, 141]
ShowName off
Expr "2*cos(4*pi*u)"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [185, 159, 265, 181]
ShowName off
Expr "-2*sin(4*pi*u)"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [300, 74, 330, 101]
ShowName off
}
Block {
BlockType Product
Name "Product1"
Ports [2, 1]
Position [295, 213, 325, 237]
ShowName off
}
Block {
BlockType SubSystem
Name "QPSK demap"
Ports [2, 1]
Position [805, 124, 880, 171]
TreatAsAtomicUnit off
MaskType "MPSK demapping"
MaskDescription "Reverse the QASK map. Input in-phase\nand q"
"uadrature components from the\ntwo inputs. Output demapped signal."
MaskHelp "This block demaps a QASK mapped signal usin"
"g circle constellation. You can place this block after a QAM demodulation blo"
"ck. The circle constellation is defined in NIC, RIC, and PIC. The symbol inte"
"rval can be a two elements vector with the first element being offset. The de"
"fault offset is zero. Use function MODMAP to view the constellation."
MaskPromptString "Number of symbols on each circle NIC::|Radi"
"i for each circle RIC:|Phase shift on each circle PIC (rad):|Symbol interval "
"and offset (sec):"
MaskStyleString "edit,edit,edit,edit"
MaskTunableValueString "on,on,on,on"
MaskCallbackString "|||"
MaskEnableString "on,on,on,on"
MaskVisibilityString "on,on,on,on"
MaskToolTipString "on,on,on,on"
MaskVarAliasString ",,,"
MaskVariables "N=@1;A=@2;P=@3;td=@4;"
MaskInitialization "y1=apkconst(N,A,P);y2=imag(y1);y1=real(y1);"
MaskDisplay "disp('MPSK\\ndemapping')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "[4]|[sqrt(2)]|[pi/4]|[1 0.5]"
System {
Name "QPSK demap"
Location [104, 488, 602, 788]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "real"
Position [20, 45, 40, 65]
}
Block {
BlockType Inport
Name "imag"
Position [20, 130, 40, 150]
Port "2"
}
Block {
BlockType "S-Function"
Name "Minimum1"
Ports [1, 1]
Position [390, 95, 450, 115]
FunctionName "arymimai"
Parameters "'min'"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [275, 55, 300, 75]
}
Block {
BlockType Product
Name "Product1"
Ports [2, 1]
Position [275, 140, 300, 160]
}
Block {
BlockType Sum
Name "Sum1"
Ports [2, 1]
Position [205, 48, 225, 77]
ForegroundColor "red"
Inputs "+-"
}
Block {
BlockType Sum
Name "Sum2"
Ports [2, 1]
Position [345, 88, 365, 117]
}
Block {
BlockType Sum
Name "Sum6"
Ports [2, 1]
Position [205, 133, 225, 162]
ForegroundColor "blue"
Inputs "+-"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [95, 39, 130, 71]
ForegroundColor "red"
SampleTime "td"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold1"
Position [95, 124, 130, 156]
ForegroundColor "blue"
SampleTime "td"
}
Block {
BlockType Constant
Name "imag_pt"
Position [140, 179, 165, 201]
BackgroundColor "yellow"
Value "y2"
}
Block {
BlockType Constant
Name "real_pt"
Position [145, 94, 170, 116]
BackgroundColor "green"
Value "y1"
}
Block {
BlockType Outport
Name "out_1"
Position [470, 95, 490, 115]
}
Line {
SrcBlock "Minimum1"
SrcPort 1
DstBlock "out_1"
DstPort 1
}
Line {
SrcBlock "Sum2"
SrcPort 1
DstBlock "Minimum1"
DstPort 1
}
Line {
SrcBlock "Product1"
SrcPort 1
Points [10, 0; 0, -40]
DstBlock "Sum2"
DstPort 2
}
Line {
SrcBlock "Product"
SrcPort 1
Points [10, 0; 0, 30]
DstBlock "Sum2"
DstPort 1
}
Line {
SrcBlock "Sum6"
SrcPort 1
Points [0, 0; 15, 0]
Branch {
Points [0, 5]
DstBlock "Product1"
DstPort 2
}
Branch {
Points [0, -5]
DstBlock "Product1"
DstPort 1
}
}
Line {
SrcBlock "Sum1"
SrcPort 1
Points [0, 0; 15, 0]
Branch {
Points [0, 5]
DstBlock "Product"
DstPort 2
}
Branch {
Points [0, -5]
DstBlock "Product"
DstPort 1
}
}
Line {
SrcBlock "imag_pt"
SrcPort 1
Points [10, 0; 0, -35]
DstBlock "Sum6"
DstPort 2
}
Line {
SrcBlock "Zero-Order\nHold1"
SrcPort 1
DstBlock "Sum6"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
DstBlock "Sum1"
DstPort 1
}
Line {
SrcBlock "real_pt"
SrcPort 1
Points [5, 0; 0, -35]
DstBlock "Sum1"
DstPort 2
}
Line {
SrcBlock "imag"
SrcPort 1
DstBlock "Zero-Order\nHold1"
DstPort 1
}
Line {
SrcBlock "real"
SrcPort 1
DstBlock "Zero-Order\nHold"
DstPort 1
}
}
}
Block {
BlockType TransportDelay
Name "Transport\nDelay"
Position [365, 75, 405, 105]
DelayTime ".5"
BufferSize "200"
}
Block {
BlockType SubSystem
Name "close receiver"
Ports []
Position [810, 20, 945, 46]
BackgroundColor "lightBlue"
ShowName off
OpenFcn "closerec"
FontSize 12
FontAngle "italic"
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "close"
MaskDisplay "disp('close receiver')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "close receiver"
Location [136, 230, 381, 439]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "cyan"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
}
}
Block {
BlockType SubSystem
Name "noise variance"
Ports []
Position [29, 240, 135, 264]
BackgroundColor "lightBlue"
ShowName off
OpenFcn "setnoise"
FontSize 12
FontAngle "italic"
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "noise"
MaskDisplay "disp('Noise variance')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "noise variance"
Location [136, 230, 381, 439]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "cyan"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
}
}
Block {
BlockType Scope
Name "r(t)"
Ports [1]
Position [60, 70, 90, 100]
Orientation "up"
Location [320, 340, 960, 440]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-1.500000"
YMax "1.500000"
DataFormat "Array"
}
Block {
BlockType SubSystem
Name "receiver diagrams"
Ports [2]
Position [725, 15, 780, 55]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "2D-Diagrams"
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