📄 ch6example1.mdl
字号:
N "50"
Wlo "2*pi*250"
Whi "80"
Rp "2"
Rs "40"
}
Block {
BlockType Mux
Name "Mux"
Ports [2, 1]
Position [495, 261, 500, 299]
ShowName off
Inputs "2"
DisplayOption "bar"
Port {
PortNumber 1
Name "原信号和采样"
PropagatedSignals ", 采样输出"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Product
Name "Product\n采样"
Ports [2, 1]
Position [215, 111, 260, 144]
InputSameDT off
Port {
PortNumber 1
Name "采样输出"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType DiscretePulseGenerator
Name "Pulse\nGenerator"
Position [20, 118, 65, 152]
Period "10"
SampleTime "1/4000"
Port {
PortNumber 1
Name "冲激脉冲"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType RandomNumber
Name "Random\nNumber"
Position [25, 50, 55, 80]
SampleTime "1/4000"
}
Block {
BlockType Scope
Name "Scope"
Ports [2]
Position [600, 267, 635, 318]
Location [29, 336, 376, 665]
Open on
NumInputPorts "2"
ZoomMode "xonly"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
axes2 "%<SignalLabel>"
}
List {
ListType SelectedSignals
axes1 ""
axes2 ""
}
TimeRange "0.1"
YMin "-0.8~-0.08"
YMax "0.8~0.08"
DataFormat "StructureWithTime"
LimitDataPoints off
}
Block {
BlockType Reference
Name "Spectrum\nScope"
Ports [1]
Position [600, 15, 635, 65]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "2048"
Overlap "64"
inpFftLenInherit on
FFTlength "1024"
numAvg "2"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "get(0,'defaultfigureposition')"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "1.0"
XLabel "Samples"
YUnits "dB"
YMin "-20"
YMax "20"
YLabel "Magnitude, dB"
LineProperties off
}
Block {
BlockType Reference
Name "Spectrum\nScope1"
Ports [1]
Position [600, 185, 635, 235]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "2048"
Overlap "64"
inpFftLenInherit on
FFTlength "1024"
numAvg "2"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "get(0,'defaultfigureposition')"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "1.0"
XLabel "Samples"
YUnits "dB"
YMin "-40"
YMax "0"
YLabel "Magnitude, dB"
LineProperties off
}
Block {
BlockType Reference
Name "Spectrum\nScope2"
Ports [1]
Position [600, 105, 635, 155]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "2048"
Overlap "64"
inpFftLenInherit on
FFTlength "1024"
numAvg "2"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "get(0,'defaultfigureposition')"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "1.0"
XLabel "Samples"
YUnits "dB"
YMin "-40"
YMax "0"
YLabel "Magnitude, dB"
LineProperties off
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [515, 21, 550, 59]
SampleTime "1/4000"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold1"
Position [520, 191, 555, 229]
SampleTime "1/4000"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold2"
Position [515, 111, 550, 149]
SampleTime "1/4000"
}
Line {
SrcBlock "Analog\nFilter Design1"
SrcPort 1
Points [0, 0; 45, 0]
Branch {
Points [0, 55]
DstBlock "Product\n采样"
DstPort 1
}
Branch {
Labels [1, 0]
Points [0, -25; 295, 0]
Branch {
DstBlock "Zero-Order\nHold"
DstPort 1
}
Branch {
DstBlock "Mux"
DstPort 1
}
}
}
Line {
Name "冲激脉冲"
Labels [0, 0]
SrcBlock "Pulse\nGenerator"
SrcPort 1
DstBlock "Product\n采样"
DstPort 2
}
Line {
Name "恢复"
Labels [0, 0]
SrcBlock "Analog\nFilter Design"
SrcPort 1
Points [0, 0; 30, 0]
Branch {
Labels [1, 0]
DstBlock "Zero-Order\nHold2"
DstPort 1
}
Branch {
Points [0, 175]
DstBlock "Scope"
DstPort 2
}
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
DstBlock "Spectrum\nScope"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold1"
SrcPort 1
DstBlock "Spectrum\nScope1"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold2"
SrcPort 1
DstBlock "Spectrum\nScope2"
DstPort 1
}
Line {
SrcBlock "Random\nNumber"
SrcPort 1
DstBlock "Analog\nFilter Design1"
DstPort 1
}
Line {
Name "采样输出"
Labels [0, 0]
SrcBlock "Product\n采样"
SrcPort 1
Points [0, 0; 55, 0]
Branch {
DstBlock "Analog\nFilter Design"
DstPort 1
}
Branch {
Points [0, 80; 145, 0]
Branch {
DstBlock "Zero-Order\nHold1"
DstPort 1
}
Branch {
Points [0, 80]
DstBlock "Mux"
DstPort 2
}
}
}
Line {
Name "原信号和采样"
Labels [0, 0]
SrcBlock "Mux"
SrcPort 1
DstBlock "Scope"
DstPort 1
}
Annotation {
Name "低通"
Position [375, 196]
}
Annotation {
Name "采样定理的原理仿真\n文件名：ch6example1.mdl"
Position [122, 276]
DropShadow on
}
}
}
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