📄 qpsnyqmf.mdl
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MaskToolTipString "on,on,on,on"
MaskVarAliasString ",,,"
MaskInitialization "K=@1;num_lin=@2;TDelay=@3;Sample=@4;"
MaskDisplay "disp('Error\\nmeter')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "2|10|12|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, 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 [-16, 353, 992, 631]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "noisy\nQPSK-\nsignal"
Position [25, 145, 45, 165]
}
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 Gain
Name "Gain1"
Position [510, 212, 535, 238]
ShowName off
Gain "1/20"
}
Block {
BlockType Gain
Name "Gain2"
Position [510, 77, 535, 103]
ShowName off
Gain "1/20"
}
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"
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 SubSystem
Name "Raised-Cosine\nreceive filter"
Ports [1, 1]
Position [410, 68, 490, 112]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "R-C filter"
MaskDescription "Design a raised cosine filter and use it to"
" filter the input signal."
MaskHelp "This block designs a raised cosine filter u"
"sing 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"
" time (sec):|Filter rolloff factor:|Delay step (integer to multiply symbol in"
"terval):|Filter type (FIR or IIR) / (Normal or Sqrt):|With or without sinc fi"
"lter (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);el"
"se,off=0;end;ts=@2;R=@3;delay=@4;fil=@5;[num,den]=rcosine(1/td(1),1/ts(1),fil"
",R,delay);x=@6/2;"
MaskDisplay "disp('R-C\\nfilter')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "1|.05|0.5|6|'FIR'|0"
System {
Name "Raised-Cosine\nreceive 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"
", this block outputs an impulse signal, which begins at the raising edge of t"
"he second input and lasts the holding time. The impulse holds a constant ampl"
"itude, which equals the amplitude of the first input at the begining of the i"
"mpulse. A clock raising edge will trigger next impulse. When the threshold is"
" less 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"
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