ale.mdl

来自「用dsp解压mp3程序的算法」· MDL 代码 · 共 678 行 · 第 1/2 页

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      SourceBlock	      "dspsigops/Integer Delay"
      SourceType	      "Integer Delay"
      delay		      "1"
      ic		      "0"
      reset_popup	      "None"
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      BlockType		      Reference
      Name		      "LMS\nAdaptive Filter"
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      Position		      [255, 156, 340, 214]
      SourceBlock	      "dspadpt3/LMS\nAdaptive Filter"
      SourceType	      "LMS Adaptive Filter"
      n			      "16"
      mu		      "0.01"
      ic		      "0.0"
      leakage		      "1.0"
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      Adapt		      off
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      Port {
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	Name			"Prediction"
	PropagatedSignals	"y[k]"
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	LinearAnalysisOutput	off
	LinearAnalysisInput	off
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      SourceType	      "Random Source"
      SrcType		      "Gaussian"
      NormMethod	      "Sum of uniform values"
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      Max		      "1"
      Mean		      "0"
      Var		      "0.1"
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	ZoomFactor		"100"
	Annotation {
	  Name			  "Adaptive Line Enhancer\n\nThis example show"
"s the ability of the LMS algorithm\nto adaptively clean up the noisy sine wav"
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"noisy signal and enhances the sinewave.\nThe adaptive filter output contains "
"a cleaner sinewave. "
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      SourceBlock	      "dspsrcs4/Sine Wave"
      SourceType	      "Sine Wave"
      Amplitude		      "1"
      Frequency		      "200"
      Phase		      "0"
      SampleMode	      "Discrete"
      OutComplex	      "Real"
      CompMethod	      "Trigonometric fcn"
      TableSize		      "Speed"
      SampleTime	      "1/8000"
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      ShowName		      off
      IconShape		      "round"
      Inputs		      "|+-"
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	Name			"Prediction\nerror"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
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	DataLoggingNameMode	"SignalName"
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	DataLoggingLimitDataPoints off
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      BlockType		      Sum
      Name		      "Sum4"
      Ports		      [2, 1]
      Position		      [105, 155, 135, 185]
      ShowName		      off
      IconShape		      "round"
      Port {
	PortNumber		1
	Name			"Input signal"
	TestPoint		off
	LinearAnalysisOutput	off
	LinearAnalysisInput	off
	RTWStorageClass		"Auto"
	DataLogging		off
	DataLoggingNameMode	"SignalName"
	DataLoggingDecimateData	off
	DataLoggingDecimation	"1"
	DataLoggingLimitDataPoints off
	DataLoggingMaxPoints	"5000"
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      Name		      "Input signal"
      SrcBlock		      "Sum4"
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      Points		      [0, 0; 15, 0]
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	DstBlock		"Integer Delay"
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    }
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      Labels		      [0, 0]
      SrcBlock		      "Random\nSource"
      SrcPort		      1
      Points		      [60, 0]
      DstBlock		      "Sum4"
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    }
    Line {
      SrcBlock		      "LMS\nAdaptive Filter"
      SrcPort		      2
      DstBlock		      "Flip"
      DstPort		      1
    }
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      SrcBlock		      "Integer Delay"
      SrcPort		      1
      DstBlock		      "LMS\nAdaptive Filter"
      DstPort		      1
    }
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      SrcBlock		      "Sine Wave"
      SrcPort		      1
      Points		      [45, 0]
      DstBlock		      "Sum4"
      DstPort		      1
    }
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      Name		      "Prediction"
      Labels		      [0, 0]
      SrcBlock		      "LMS\nAdaptive Filter"
      SrcPort		      1
      Points		      [0, 0; 10, 0]
      Branch {
	DstBlock		"Sum3"
	DstPort			2
      }
      Branch {
	Labels			[1, 0]
	Points			[75, 0]
	DstBlock		"Results"
	DstPort			3
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    }
    Line {
      Name		      "Prediction\nerror"
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      Points		      [0, 0; 15, 0]
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	Points			[0, -25; -150, 0]
	DstBlock		"LMS\nAdaptive Filter"
	DstPort			2
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	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Flip"
      SrcPort		      1
      DstBlock		      "Predictor\nCoefficients"
      DstPort		      1
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    Annotation {
      Name		      "LMS Adaptive Linear Prediction"
      Position		      [291, 21]
      FontName		      "MS Sans Serif"
      FontSize		      14
      FontWeight	      "bold"
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