📄 ch5example4.mdl
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Position [590, 229, 690, 261]
FontName "Arial"
FontSize 12
Decimation "1"
}
Block {
BlockType Display
Name "Display1"
Ports [1]
Position [310, 227, 405, 263]
FontName "Arial"
FontSize 12
Decimation "1"
}
Block {
BlockType Display
Name "Display2增益"
Ports [1]
Position [430, 228, 530, 262]
FontName "Arial"
FontSize 12
Decimation "1"
}
Block {
BlockType Fcn
Name "Fcn"
Position [430, 154, 525, 186]
Orientation "left"
Expr "100/(1+100*u)"
}
Block {
BlockType Gain
Name "Gain"
Position [560, 155, 590, 185]
Orientation "left"
Gain "3.1"
}
Block {
BlockType Gain
Name "Gain1"
Position [230, 227, 285, 263]
Gain "1/1.3"
}
Block {
BlockType Gain
Name "Gain2"
Position [110, 23, 170, 57]
Gain "0.01"
}
Block {
BlockType Reference
Name "Maximum"
Ports [1, 1]
Position [150, 225, 205, 265]
FontSize 10
SourceBlock "dspstat3/Maximum"
SourceType "Maximum"
fcn "Value"
reset "None"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [440, 41, 485, 74]
InputSameDT off
}
Block {
BlockType Product
Name "Product混频"
Ports [2, 1]
Position [250, 31, 295, 64]
InputSameDT off
}
Block {
BlockType Saturate
Name "Saturation1"
Position [600, 45, 630, 75]
UpperLimit "inf"
LowerLimit "0"
}
Block {
BlockType SignalGenerator
Name "Signal\nGenerator"
Position [115, 85, 145, 115]
Frequency "1465e3"
Port {
PortNumber 1
Name "本机振荡"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType SubSystem
Name "Subsystem"
Ports [0, 1]
Position [20, 16, 70, 64]
TreatAsAtomicUnit off
System {
Name "Subsystem"
Location [293, 101, 563, 303]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
Block {
BlockType Constant
Name "Constant"
Position [25, 90, 55, 120]
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [145, 31, 190, 64]
InputSameDT off
}
Block {
BlockType SignalGenerator
Name "Signal\nGenerator"
Position [25, 25, 55, 55]
Amplitude "0.3"
Frequency "1000"
}
Block {
BlockType SignalGenerator
Name "Signal\nGenerator1"
Position [25, 145, 55, 175]
Frequency "1000e3"
Port {
PortNumber 1
Name "载波"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
}
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1]
Position [80, 30, 100, 50]
ShowName off
IconShape "round"
Inputs "|++"
InputSameDT off
OutDataTypeMode "Inherit via internal rule"
}
Block {
BlockType Outport
Name "Out1"
Position [215, 45, 245, 59]
}
Line {
SrcBlock "Constant"
SrcPort 1
Points [30, 0]
DstBlock "Sum"
DstPort 2
}
Line {
SrcBlock "Signal\nGenerator"
SrcPort 1
DstBlock "Sum"
DstPort 1
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "Product"
DstPort 1
}
Line {
Name "载波"
Labels [0, 0]
SrcBlock "Signal\nGenerator1"
SrcPort 1
Points [70, 0]
DstBlock "Product"
DstPort 2
}
Line {
SrcBlock "Product"
SrcPort 1
DstBlock "Out1"
DstPort 1
}
}
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [30, 226, 65, 264]
SampleTime "6.23e-8"
}
Line {
SrcBlock "Saturation1"
SrcPort 1
DstBlock "Analog\nFilter Design3"
DstPort 1
}
Line {
SrcBlock "Product混频"
SrcPort 1
DstBlock "Analog\nFilter Design1"
DstPort 1
}
Line {
SrcBlock "Analog\nFilter Design1"
SrcPort 1
Points [0, 0; 10, 0]
Branch {
DstBlock "Product"
DstPort 1
}
Branch {
Points [0, 155; -395, 0; 0, 40]
DstBlock "Zero-Order\nHold"
DstPort 1
}
}
Line {
SrcBlock "Subsystem"
SrcPort 1
DstBlock "Gain2"
DstPort 1
}
Line {
SrcBlock "Gain2"
SrcPort 1
DstBlock "Product混频"
DstPort 1
}
Line {
Name "本机振荡"
Labels [0, 0]
SrcBlock "Signal\nGenerator"
SrcPort 1
Points [75, 0; 0, -45]
DstBlock "Product混频"
DstPort 2
}
Line {
SrcBlock "Product"
SrcPort 1
DstBlock "Analog\nFilter Design2"
DstPort 1
}
Line {
SrcBlock "Analog\nFilter Design2"
SrcPort 1
DstBlock "Saturation1"
DstPort 1
}
Line {
SrcBlock "Analog\nFilter Design3"
SrcPort 1
Points [10, 0; 0, 110]
DstBlock "Analog\nFilter Design4"
DstPort 1
}
Line {
SrcBlock "Fcn"
SrcPort 1
Points [0, 0; -10, 0]
Branch {
Points [0, -105]
DstBlock "Product"
DstPort 2
}
Branch {
DstBlock "Display2增益"
DstPort 1
}
}
Line {
SrcBlock "Analog\nFilter Design4"
SrcPort 1
DstBlock "Gain"
DstPort 1
}
Line {
SrcBlock "Gain"
SrcPort 1
Points [0, 0; -10, 0]
Branch {
DstBlock "Fcn"
DstPort 1
}
Branch {
Points [0, 75]
DstBlock "Display"
DstPort 1
}
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
DstBlock "Buffer"
DstPort 1
}
Line {
SrcBlock "Buffer"
SrcPort 1
DstBlock "Maximum"
DstPort 1
}
Line {
SrcBlock "Maximum"
SrcPort 1
DstBlock "Gain1"
DstPort 1
}
Line {
SrcBlock "Gain1"
SrcPort 1
DstBlock "Display1"
DstPort 1
}
Annotation {
Name "自动增益控制的仿真模型\n文件名：ch5example4.mdl"
Position [263, 162]
DropShadow on
FontName "Arial"
FontSize 12
}
Annotation {
Name "包络检波"
Position [620, 94]
}
Annotation {
Name "中频放大"
Position [461, 28]
}
Annotation {
Name "1000KHz载波"
Position [43, 91]
}
Annotation {
Name "中频滤波"
Position [351, 117]
}
Annotation {
Name "中频滤波"
Position [541, 127]
}
Annotation {
Name "AGC电压"
Position [640, 290]
FontName "Arial"
FontSize 12
}
Annotation {
Name "增益补偿"
Position [577, 207]
}
Annotation {
Name "输入中频信号平均振幅"
Position [356, 290]
FontName "Arial"
FontSize 12
}
}
}
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