📄 ch3example21.mdl
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BlockType Reference
Name "FM\nDemodulator\nPassband"
Ports [1, 1]
Position [345, 47, 420, 93]
FontSize 10
SourceBlock "commanapbnd2/FM\nDemodulator\nPassband"
SourceType "FM Demodulator Passband"
Fc "100"
Ph "0"
HzPerVolt "20"
num "1"
den "1"
ts "0.001"
}
Block {
BlockType Reference
Name "FM\nModulator\nPassband"
Ports [1, 1]
Position [85, 48, 160, 92]
FontSize 10
SourceBlock "commanapbnd2/FM\nModulator\nPassband"
SourceType "FM Modulator Passband"
Fc "100"
Ph "0"
HzPerV "20"
ts "0.001"
td "Inf"
}
Block {
BlockType Scope
Name "Scope"
Ports [4]
Position [655, 18, 685, 62]
Location [350, 330, 746, 631]
Open on
NumInputPorts "4"
TickLabels "off"
ZoomMode "xonly"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
axes2 "%<SignalLabel>"
axes3 "%<SignalLabel>"
axes4 "%<SignalLabel>"
}
List {
ListType SelectedSignals
axes1 ""
axes2 ""
axes3 ""
axes4 ""
}
TimeRange "0.5"
YMin "-1~-1.5~-1~-1.5"
YMax "1~1.5~1~1.5"
DataFormat "StructureWithTime"
LimitDataPoints off
}
Block {
BlockType SignalGenerator
Name "Signal\nGenerator"
Position [25, 55, 55, 85]
Amplitude "0.5"
Frequency "5"
}
Block {
BlockType Reference
Name "Spectrum\nScope"
Ports [1]
Position [655, 160, 690, 210]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "1024"
Overlap "512"
inpFftLenInherit on
FFTlength "1024"
numAvg "8"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "[94 111 560 420]"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "2"
XLabel "Samples"
YUnits "Magnitude"
YMin "0"
YMax "60"
YLabel "幅度"
LineProperties off
}
Block {
BlockType Reference
Name "Spectrum\nScope1"
Ports [1]
Position [655, 80, 690, 130]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "1024"
Overlap "512"
inpFftLenInherit on
FFTlength "1024"
numAvg "8"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "[94 111 560 420]"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "2"
XLabel "Samples"
YUnits "dB"
YMin "-20"
YMax "20"
YLabel "dB"
LineProperties off
}
Block {
BlockType Reference
Name "Variance"
Ports [1, 1]
Position [315, 173, 390, 207]
SourceBlock "dspstat3/Variance"
SourceType "Variance"
run on
reset_popup "None"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [225, 170, 265, 210]
SampleTime "1/500"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold1"
Position [585, 85, 625, 125]
SampleTime "1/500"
}
Line {
SrcBlock "Signal\nGenerator"
SrcPort 1
Points [5, 0]
Branch {
DstBlock "FM\nModulator\nPassband"
DstPort 1
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Branch {
Points [0, -45]
DstBlock "Scope"
DstPort 1
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Line {
SrcBlock "FM\nModulator\nPassband"
SrcPort 1
Points [0, 0; 15, 0]
Branch {
Points [0, 120]
DstBlock "Zero-Order\nHold"
DstPort 1
}
Branch {
DstBlock "AWGN\nChannel"
DstPort 1
}
Branch {
Points [0, -35]
DstBlock "Scope"
DstPort 2
}
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Line {
SrcBlock "FM\nDemodulator\nPassband"
SrcPort 1
DstBlock "Digital\nFilter Design"
DstPort 1
}
Line {
SrcBlock "Variance"
SrcPort 1
DstBlock "Display"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
Points [15, 0]
Branch {
DstBlock "Variance"
DstPort 1
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Branch {
Points [0, -30; 255, 0; 0, 25]
DstBlock "Spectrum\nScope"
DstPort 1
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Line {
SrcBlock "AWGN\nChannel"
SrcPort 1
Points [0, 0; 10, 0]
Branch {
DstBlock "FM\nDemodulator\nPassband"
DstPort 1
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Branch {
Points [0, 65; 220, 0; 0, -30]
Branch {
DstBlock "Zero-Order\nHold1"
DstPort 1
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Branch {
Points [0, -50]
DstBlock "Scope"
DstPort 4
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Line {
SrcBlock "Zero-Order\nHold1"
SrcPort 1
DstBlock "Spectrum\nScope1"
DstPort 1
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Line {
SrcBlock "Digital\nFilter Design"
SrcPort 1
Points [20, 0; 0, -25]
DstBlock "Scope"
DstPort 3
}
Annotation {
Name "调制输出功率"
Position [461, 230]
}
Annotation {
Name "调频传输系统仿真模型\n文件名：ch3example21.mdl"
Position [86, 187]
DropShadow on
FontName "Arial"
FontSize 12
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