📄 lc_filt_2.mdl
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fmode "Maintain input frame rate"
}
Block {
BlockType Reference
Name "Downsample2"
Ports [1, 1]
Position [325, 118, 360, 152]
ShowName off
SourceBlock "dspsigops/Downsample"
SourceType "Downsample"
N "2"
phase "0"
ic "0"
smode "Allow multirate"
fmode "Maintain input frame rate"
}
Block {
BlockType Reference
Name "FFT"
Ports [1, 1]
Position [265, 38, 305, 72]
ShowName off
DialogController "dspDDGCreate"
DialogControllerArgs "DataTag0"
SourceBlock "dspxfrm3/FFT"
SourceType "FFT"
CompMethod "Table lookup"
TableOpt "Speed"
BitRevOrder off
additionalParams off
SkipNorm off
allowOverrides on
firstCoeffMode "Specify word length"
firstCoeffWordLength "16"
firstCoeffFracLength "15"
outputMode "Same as input"
outputWordLength "16"
outputFracLength "15"
accumMode "Inherit via internal rule"
accumWordLength "32"
accumFracLength "30"
prodOutputMode "Inherit via internal rule"
prodOutputWordLength "32"
prodOutputFracLength "30"
roundingMode "Floor"
overflowMode off
LockScale off
}
Block {
BlockType Reference
Name "FFT1"
Ports [1, 1]
Position [265, 118, 305, 152]
ShowName off
DialogController "dspDDGCreate"
DialogControllerArgs "DataTag1"
SourceBlock "dspxfrm3/FFT"
SourceType "FFT"
CompMethod "Table lookup"
TableOpt "Speed"
BitRevOrder off
additionalParams off
SkipNorm off
allowOverrides on
firstCoeffMode "User-defined"
firstCoeffWordLength "16"
firstCoeffFracLength "15"
outputMode "Same as input"
outputWordLength "16"
outputFracLength "15"
accumMode "Inherit via internal rule"
accumWordLength "32"
accumFracLength "30"
prodOutputMode "Inherit via internal rule"
prodOutputWordLength "32"
prodOutputFracLength "30"
roundingMode "Floor"
overflowMode off
LockScale off
}
Block {
BlockType Reference
Name "Filter1"
Ports [1, 1]
Position [675, 43, 745, 87]
ShowName off
SourceBlock "dsparch3/Direct-Form II\nTranspose Filt"
"er"
SourceType "Direct-Form II Transpose Filter"
num "1"
den "[Navg -(Navg-1)]"
ic "eps"
}
Block {
BlockType Reference
Name "Filter2"
Ports [1, 1]
Position [675, 118, 745, 162]
ShowName off
SourceBlock "dsparch3/Direct-Form II\nTranspose Filt"
"er"
SourceType "Direct-Form II Transpose Filter"
num "1"
den "[Navg -(Navg-1)]"
ic "eps"
}
Block {
BlockType Gain
Name "Gain"
Position [1105, 185, 1135, 215]
Gain "180/pi"
ParameterDataTypeMode "Inherit via internal rule"
OutDataTypeMode "Inherit via internal rule"
SaturateOnIntegerOverflow off
}
Block {
BlockType Math
Name "Magnitude\nSquared"
Ports [1, 1]
Position [610, 50, 640, 80]
ShowName off
Operator "magnitude^2"
}
Block {
BlockType Math
Name "Math\nFunction"
Ports [1, 1]
Position [555, 95, 585, 125]
Orientation "down"
NamePlacement "alternate"
ShowName off
Operator "conj"
}
Block {
BlockType Math
Name "Math\nFunction1"
Ports [1, 1]
Position [965, 60, 995, 90]
ShowName off
Operator "magnitude^2"
}
Block {
BlockType SubSystem
Name "Phase Unwrap"
Ports [1, 1]
Position [960, 105, 1000, 165]
TreatAsAtomicUnit off
MinAlgLoopOccurrences off
RTWSystemCode "Auto"
System {
Name "Phase Unwrap"
Location [195, 140, 1245, 427]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "IN"
Position [40, 73, 70, 87]
Port "1"
IconDisplay "Port number"
LatchInput off
}
Block {
BlockType Constant
Name "Constant"
Position [35, 200, 65, 230]
Value "fliplr([ceil(NFFT*pcnt/200)+1:floor"
"(NFFT*pcnt/100) 1:ceil(NFFT*pcnt/200)]); "
}
Block {
BlockType SubSystem
Name "Embedded\nMATLAB Function1"
Ports [1, 1]
Position [610, 67, 680, 113]
TreatAsAtomicUnit off
MinAlgLoopOccurrences off
RTWSystemCode "Auto"
MaskType "Stateflow"
MaskDescription "Embedded MATLAB block"
MaskDisplay "disp('center_sub');"
MaskSelfModifiable on
MaskIconFrame on
MaskIconOpaque off
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "Embedded\nMATLAB Function1"
Location [257, 457, 812, 717]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "u"
Position [20, 101, 40, 119]
Port "1"
IconDisplay "Port number"
LatchInput off
}
Block {
BlockType Demux
Name " Demux "
Ports [1, 1]
Position [270, 160, 320, 200]
Outputs "1"
}
Block {
BlockType "S-Function"
Name " SFunction "
Tag "Stateflow S-Function lc_filt_2 4"
Ports [1, 2]
Position [180, 100, 230, 160]
FunctionName "sf_sfun"
PortCounts "[1 2]"
Port {
PortNumber 2
Name "y"
RTWStorageClass "Auto"
DataLoggingNameMode "SignalName"
ShowSigGenPortName on
}
}
Block {
BlockType Terminator
Name " Terminator "
Position [460, 171, 480, 189]
}
Block {
BlockType Outport
Name "y"
Position [460, 101, 480, 119]
IconDisplay "Port number"
BusOutputAsStruct off
}
Line {
SrcBlock " SFunction "
SrcPort 1
Points [0, 65]
DstBlock " Demux "
DstPort 1
}
Line {
SrcBlock " Demux "
SrcPort 1
DstBlock " Terminator "
DstPort 1
}
Line {
SrcBlock "u"
SrcPort 1
DstBlock " SFunction "
DstPort 1
}
Line {
Name "y"
Labels [0, 0]
SrcBlock " SFunction "
SrcPort 2
DstBlock "y"
DstPort 1
}
}
}
Block {
BlockType FrameConversion
Name "Frame Conversion"
Position [300, 70, 355, 110]
OutFrame "Frame based"
}
Block {
BlockType FrameConversion
Name "Frame Conversion2"
Position [505, 70, 560, 110]
OutFrame "Sample based"
}
Block {
BlockType Reference
Name "Unwrap"
Ports [1, 1]
Position [410, 72, 455, 108]
SourceBlock "dspsigops/Unwrap"
SourceType "Unwrap"
running on
tol "1.9*pi"
}
Block {
BlockType Reference
Name "Variable\nSelector"
Ports [2, 1]
Position [150, 68, 245, 112]
SourceBlock "dspindex/Variable\nSelector"
SourceType "Variable Selector"
ShowPortLabels on
rowsOrCols "Rows"
IdxMode "Variable"
Elements "[1 3]"
ZerOneIdxMode "One-based"
errmode "Clip Index"
}
Block {
BlockType Reference
Name "Variable\nSelector2"
Ports [2, 1]
Position [755, 78, 850, 122]
SourceBlock "dspindex/Variable\nSelector"
SourceType "Variable Selector"
ShowPortLabels on
rowsOrCols "Rows"
IdxMode "Variable"
Elements "[1 3]"
ZerOneIdxMode "One-based"
errmode "Clip Index"
}
Block {
BlockType Outport
Name "Out1"
Position [940, 93, 970, 107]
IconDisplay "Port number"
BusOutputAsStruct off
}
Line {
SrcBlock "Embedded\nMATLAB Function1"
SrcPort 1
DstBlock "Variable\nSelector2"
DstPort 1
}
Line {
SrcBlock "Variable\nSelector"
SrcPort 1
DstBlock "Frame Conversion"
DstPort 1
}
Line {
SrcBlock "Constant"
SrcPort 1
Points [0, 0; 35, 0]
Branch {
Points [605, 0; 0, -105]
DstBlock "Variable\nSelector2"
DstPort 2
}
Branch {
Points [0, -115]
DstBlock "Variable\nSelector"
DstPort 2
}
}
Line {
SrcBlock "IN"
SrcPort 1
DstBlock "Variable\nSelector"
DstPort 1
}
Line {
SrcBlock "Variable\nSelector2"
SrcPort 1
DstBlock "Out1"
DstPort 1
}
Line {
SrcBlock "Unwrap"
SrcPort 1
DstBlock "Frame Conversion2"
DstPort 1
}
Line {
SrcBlock "Frame Conversion"
SrcPort 1
DstBlock "Unwrap"
DstPort 1
}
Line {
SrcBlock "Frame Conversion2"
SrcPort 1
DstBlock "Embedded\nMATLAB Function1"
DstPort 1
}
Annotation {
Name "Note the fliplr"
Position [52, 253]
}
Annotation {
Name "Unwrap requires frame based data"
Position [451, 53]
}
Annotation {
Name "Re-swap the data for display"
Position [867, 53]
}
Annotation {
Name "Set the DC phase value to zero"
Position [678, 58]
}
Annotation {
Name "This swaps the two halves of the da"
"ta vector \nso that the unwrap works."
Position [190, 48]
}
}
}
Block {
BlockType Probe
Name "Probe for a complex signal"
Ports [1, 1]
Position [105, 210, 150, 250]
ProbeWidth off
ProbeSampleTime off
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [600, 121, 645, 154]
ShowName off
RndMeth "Floor"
}
Block {
BlockType Product
Name "Product2"
Ports [2, 1]
Position [805, 59, 830, 86]
ShowName off
Inputs "/*"
RndMeth "Floor"
}
Block {
BlockType RateTransition
Name "Rate Transition"
Position [185, 209, 225, 251]
}
Block {
BlockType Constant
Name "Real Range"
Position [270, 250, 300, 280]
Value "1:length([1:round(NFFT*pcnt/200),round("
"1+NFFT-NFFT*pcnt/200):NFFT]);"
}
Block {
BlockType Switch
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