adnc_lms.mdl

数字信号处理（机械工业出版社）的源码

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      Name		      "Filter\nTaps"
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      SourceBlock	      "dspsnks4/Vector\nScope"
      SourceType	      "Vector Scope"
      ScopeProperties	      off
      Domain		      "User-defined"
      HorizSpan		      "1"
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      AxisGrid		      on
      Memory		      off
      FrameNumber	      on
      AxisLegend	      off
      AxisZoom		      on
      OpenScopeAtSimStart     on
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      FigPos		      "[66 155 329 270]"
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      XUnits		      "Hertz"
      XRange		      "[0...Fs/2]"
      InheritXIncr	      on
      XIncr		      "1"
      XLabel		      "Samples"
      YUnits		      "dB"
      YMin		      "-0.2"
      YMax		      "0.6"
      YLabel		      "Filter Coefficients"
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      SourceBlock	      "dspindex/Flip"
      SourceType	      "Flip"
      dim		      "Columns"
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      BlockType		      Reference
      Name		      "Freq\nResponse"
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      Position		      [240, 260, 275, 310]
      SourceBlock	      "dspsnks4/Spectrum\nScope"
      SourceType	      "Spectrum Scope"
      ScopeProperties	      off
      Domain		      "Frequency"
      HorizSpan		      "1"
      UseBuffer		      off
      BufferSize	      "128"
      Overlap		      "64"
      inpFftLenInherit	      on
      FFTlength		      "256"
      numAvg		      "2"
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      XRange		      "[0...Fs/2]"
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    Block {
      BlockType		      Reference
      Name		      "LMS\nAdaptive Filter"
      Ports		      [2, 2]
      Position		      [120, 181, 205, 239]
      SourceBlock	      "dspadpt3/LMS\nAdaptive Filter"
      SourceType	      "LMS Adaptive Filter"
      n			      "32"
      mu		      "0.5"
      ic		      "0.0"
      leakage		      "1.0"
      normalized	      on
      Adapt		      off
      RstPort		      "None"
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    Block {
      BlockType		      Reference
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      Position		      [45, 121, 80, 159]
      Diagnostics	      "AllowInheritedTsInSrc"
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      SourceType	      "Random Source"
      SrcType		      "Gaussian"
      NormMethod	      "Ziggurat"
      CltLength		      "12"
      Min		      "0"
      Max		      "1"
      Mean		      "0"
      Var		      "1"
      RepMode		      "Specify seed"
      Seed		      "[23341]"
      Inherit		      off
      SampMode		      "Discrete"
      SampTime		      "1"
      SampFrame		      "1"
      DataType		      "Double"
      OutComplex	      "Real"
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      BlockType		      Reference
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      Ports		      [1, 1]
      Position		      [135, 116, 190, 164]
      SourceBlock	      "dspddes3/Digital FIR\nFilter Design"
      SourceType	      "Digital FIR Filter Design"
      filttype		      "Lowpass"
      N			      "31"
      Wlo		      "0.5"
      Whi		      "0.6"
      W0		      "[.2 .5 .8]"
      g0		      "1"
      W1		      "[0 .2 .3 .6 .8 1]"
      gains		      "[1 .5 0 0 1 .5]"
      wintype		      "Hamming"
      Rs		      "10"
      Kbeta		      "5"
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    Block {
      BlockType		      Scope
      Name		      "Results"
      Ports		      [3]
      Position		      [395, 60, 425, 100]
      Location		      [418, 80, 795, 500]
      Open		      on
      NumInputPorts	      "3"
      List {
	ListType		AxesTitles
	axes1			"%<SignalLabel>"
	axes2			"%<SignalLabel>"
	axes3			"%<SignalLabel>"
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      List {
	ListType		SelectedSignals
	axes1			""
	axes2			""
	axes3			""
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      TimeRange		      "128"
      YMin		      "-2~-2~-2"
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      DataFormat	      "Array"
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      BlockType		      Reference
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      Position		      [70, 43, 115, 87]
      SourceBlock	      "dspsrcs4/Sine Wave"
      SourceType	      "Sine Wave"
      Amplitude		      "1"
      Frequency		      "0.055"
      Phase		      "0"
      SampleMode	      "Discrete"
      OutComplex	      "Real"
      CompMethod	      "Trigonometric fcn"
      TableSize		      "Speed"
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      SamplesPerFrame	      "1"
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      dataType		      "double"
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      udDataType	      "sfix(16)"
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      ResetState	      "Restart at time zero"
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	Name			"Input Signal"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"2"
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      Position		      [215, 130, 235, 150]
      ShowName		      off
      IconShape		      "round"
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      Port {
	PortNumber		1
	Name			"Signal + Noise"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"2"
	DataLoggingLimitDataPoints off
	DataLoggingMaxPoints	"5000"
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    }
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	DataLoggingNameMode	"SignalName"
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	DataLoggingDecimation	"2"
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	DataLoggingMaxPoints	"5000"
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      Branch {
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    }
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      Branch {
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    Line {
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      DstBlock		      "Filter\nTaps"
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    Annotation {
      Name		      "Adaptive Noise Cancellation Demo"
      Position		      [247, 27]
      FontName		      "Arial"
      FontSize		      12
      FontWeight	      "bold"
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}