?? qpsnrzmf.mdl
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}
Block {
BlockType Scope
Name "x_s(t)"
Ports [1]
Position [350, 155, 380, 185]
Orientation "up"
Location [640, 440, 1280, 540]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "25.000000"
YMin "-1.500000"
YMax "1.500000"
DataFormat "Array"
}
Block {
BlockType Outport
Name "detected\nbits"
Position [950, 140, 970, 160]
}
Line {
SrcBlock "Clock"
SrcPort 1
Points [0, 0]
Branch {
DstBlock "Fcn"
DstPort 1
}
Branch {
DstBlock "Fcn1"
DstPort 1
}
}
Line {
SrcBlock "noisy\nQPSK-\nsignal"
SrcPort 1
Points [25, 0]
Branch {
DstBlock "r(t)"
DstPort 1
}
Branch {
Points [45, 0]
Branch {
Points [0, -75]
DstBlock "Product"
DstPort 1
}
Branch {
Points [0, 75]
DstBlock "Product1"
DstPort 2
}
}
}
Line {
SrcBlock "Fcn1"
SrcPort 1
Points [10, 0]
DstBlock "Product1"
DstPort 1
}
Line {
SrcBlock "Fcn"
SrcPort 1
Points [10, 0; 0, -35]
DstBlock "Product"
DstPort 2
}
Line {
SrcBlock "QPSK demap"
SrcPort 1
Points [30, 0]
Branch {
DstBlock "detected\nbits"
DstPort 1
}
Branch {
DstBlock "v(t)"
DstPort 1
}
}
Line {
SrcBlock "Product1"
SrcPort 1
Points [35, 0]
Branch {
DstBlock "Integrate and Dump_"
DstPort 1
}
Branch {
DstBlock "x_s(t)"
DstPort 1
}
}
Line {
SrcBlock "Integrate and Dump_"
SrcPort 1
Points [0, 0]
Branch {
Points [45, 0]
DstBlock "s_rs(t)"
DstPort 1
}
Branch {
Points [135, 0]
Branch {
Points [5, 0; 0, -180]
DstBlock "receiver diagrams"
DstPort 2
}
Branch {
DstBlock "threshold\ndetector_"
DstPort 1
}
}
}
Line {
SrcBlock "Product"
SrcPort 1
Points [30, 0]
Branch {
DstBlock "Integrate and Dump"
DstPort 1
}
Branch {
DstBlock "x_c(t)"
DstPort 1
}
}
Line {
SrcBlock "Integrate and Dump"
SrcPort 1
Points [0, 0]
Branch {
Points [45, 0]
DstBlock "s_rc(t)"
DstPort 1
}
Branch {
Points [115, 0]
Branch {
Points [0, -65]
DstBlock "receiver diagrams"
DstPort 1
}
Branch {
DstBlock "threshold\ndetector"
DstPort 1
}
}
}
Line {
SrcBlock "threshold\ndetector_"
SrcPort 1
Points [35, 0]
Branch {
Points [0, -65]
DstBlock "QPSK demap"
DstPort 2
}
Branch {
Points [0, 15]
DstBlock "v_s(t)"
DstPort 1
}
}
Line {
SrcBlock "threshold\ndetector"
SrcPort 1
Points [30, 0]
Branch {
Points [0, 45]
DstBlock "QPSK demap"
DstPort 1
}
Branch {
DstBlock "v_c(t)"
DstPort 1
}
}
}
}
Block {
BlockType SubSystem
Name "Transmitter"
Ports [0, 3]
Position [200, 72, 275, 158]
ShowPortLabels off
TreatAsAtomicUnit off
System {
Name "Transmitter"
Location [5, 156, 1017, 435]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Clock
Name "Clock"
Position [555, 155, 575, 175]
Decimation "10"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [615, 130, 710, 160]
ShowName off
Expr "cos(4*pi*u)"
}
Block {
BlockType Fcn
Name "Fcn2"
Position [615, 175, 710, 205]
ShowName off
Expr "sin(4*pi*u)"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [770, 83, 800, 107]
ShowName off
}
Block {
BlockType Product
Name "Product1"
Ports [2, 1]
Position [770, 233, 800, 257]
ShowName off
}
Block {
BlockType SubSystem
Name "QPSK"
Ports [1, 2]
Position [110, 115, 185, 155]
TreatAsAtomicUnit off
MaskType "MPSK"
MaskDescription "QASK mapping with circle constellation. The"
" constellation is defined in NIC, RIC and PIC."
MaskHelp "This block maps a digital signal onto in-ph"
"ase and quadratic components, which are outputs in the first and second outpu"
"t port respectively. The circle constellation is defined in NIC, RIC, and PIC"
". The input symbol interval can be a two-element vector with the second eleme"
"nt being offset. The default value offset is 0. Use the MODMAP function to se"
"e the constellation."
MaskPromptString "Number of symbols in each circle NIC:|Radii"
" in each circle RIC:|Phase shift in each circle PIC (rad):|Symbol interval an"
"d 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);y1=[y1;y1];y1=y1(:);y2=i"
"mag(y1);y1=real(y1);x=[-sum(N) 1:sum(N)-1;1:sum(N)-1 10*sum(N)]-.5;x=x(:);"
MaskDisplay "disp('MPSK\\nmapping')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "[4]|[sqrt(2)]|[pi/4]|1"
System {
Name "QPSK"
Location [572, 160, 1070, 460]
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 [40, 35, 60, 55]
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold1"
Position [95, 29, 130, 61]
SampleTime "td"
}
Block {
BlockType Lookup
Name "imag part1"
Position [190, 112, 225, 138]
InputValues "x"
OutputValues "y2"
}
Block {
BlockType Lookup
Name "real part"
Position [195, 32, 230, 58]
InputValues "x"
OutputValues "y1"
}
Block {
BlockType Outport
Name "Real"
Position [290, 35, 310, 55]
}
Block {
BlockType Outport
Name "Imag"
Position [290, 115, 310, 135]
Port "2"
}
Line {
SrcBlock "in_1"
SrcPort 1
DstBlock "Zero-Order\nHold1"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold1"
SrcPort 1
Points [0, 0; 25, 0]
Branch {
DstBlock "real part"
DstPort 1
}
Branch {
Points [0, 80]
DstBlock "imag part1"
DstPort 1
}
}
Line {
SrcBlock "real part"
SrcPort 1
DstBlock "Real"
DstPort 1
}
Line {
SrcBlock "imag part1"
SrcPort 1
DstBlock "Imag"
DstPort 1
}
}
}
Block {
BlockType SubSystem
Name "Source"
Ports [0, 2]
Position [25, 111, 55, 164]
ShowPortLabels off
TreatAsAtomicUnit off
System {
Name "Source"
Location [13, 444, 550, 683]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType SubSystem
Name "Bits"
Ports [0, 1]
Position [25, 48, 85, 92]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "Read from workspace"
MaskDescription "Read from a workspace variable at\nsamp"
"ling time point."
MaskHelp "This block reads from a workspace varia"
"ble at a given sample time. The column number is the block output vector leng"
"th. When the simulation reaches the end of the variable (eof), the block will"
" cyclically output from the first row of the variable or output zeros based o"
"n the repeat flag entree."
MaskPromptString "Variable (column_number=block_output_le"
"ngth):|Data output sample time (sec):|Repeat flag (1: repeat read, 0: output "
"zeros after eof).|Initial output:"
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 ",,,"
MaskInitialization "var=@1;td=@2;ts=td(1);if (length(td)>=2"
"),off=td(2);else off=0;end;cyc=@3;ini=@4;[x,y]=srcsicon(7);"
MaskDisplay "plot(0,0,100,100,x,y);disp('Rd wksp')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "randint(2000,1,2)|.5|1|1"
System {
Name "Bits"
Location [355, 528, 737, 675]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType "S-Function"
Name "Message source"
Ports [1, 1]
Position [180, 53, 255, 97]
BackgroundColor "yellow"
FunctionName "trigwksp"
Parameters "var,thd,cyclFlag,ini"
MaskType "Read from workspace"
MaskDescription "The raising edge of input pulse tri"
"gger the block output the next row from the workspace variable."
MaskHelp "This block reads the data from a wo"
"rkspace variable. The output is refreshed at the raising edge of the input pu"
"lse."
MaskPromptString "Read the variable:|Threshold for th"
"e input pulse:|Cyclic read variable (1) or amend zeros (0).|Output before fir"
"st trigger:"
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 ",,,"
MaskInitialization "var=@1;thd=@2;cyclFlag=@3;ini=@4;"
MaskDisplay "disp('Triggered\\nread')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "var|.1|cyc|ini"
}
Block {
BlockType SubSystem
Name "Pulses deivide\nsame sample time1"
Ports [0, 1]
Position [50, 56, 110, 94]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "Pulse generator"
MaskDescription "Vector pulses with sample ra?? 快捷鍵說明
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