psbfftdemo.mdl

一定要有说明吗？但是。丹风门地方灵敏度；的。./md dvvddd/.dd /ds,d/ d,

# $Revision: 1.3 $
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  Created		  "Fri Aug 31 08:01:53 2001"
  Creator		  "sybille"
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      Name		      "11th harm.\n30 V "
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    Block {
      BlockType		      SubSystem
      Name		      "FFT"
      Ports		      [3, 2]
      Position		      [325, 80, 400, 150]
      AncestorBlock	      "powerlib_extras/Discrete\nMeasurements/FFT"
      TreatAsAtomicUnit	      off
      MaskType		      "Fast Fourier by Matlab Function"
      MaskDescription	      "This block  implements on-line FFT analysis  of"
" 3  signals.\n\nIt can be used as a \"real time\" analyzer during simulation "
"(note speed reduction !) or off line by reading the signals from workspace af"
"ter simulation.\n\nThe F(n) output is a [N,3] matrix of the 3 signal spectra "
" (harmonic orders 0 to N-1), where N is the number of harmonics computed  giv"
"en by : N= 1/f1/Ts/2.\nThe RMS output is a [5,3] matrix of 5 different RMS va"
"lues of the 3 signals: Line 1=  Total RMS; 2=DC component; 3=RMS value of fun"
"damental; 4= RMS value of harmonics; 6=Total  AC rms .\n\nThe 3 spectra are d"
"isplayed on specified Figure number. By selecting different Figure numbers mu"
"ltiple blocks can be used. A mask parameter can be used to modify plot appear"
"ance (1 or -1 row vector)\n"
      MaskPromptString	      "Fundamental frequency f1 (Hz):|Sampling time Ts"
" (s):|FFT Sampling time F(n)|Base peak value (1 for absolute , size=[1 nSigna"
"ls ])|Decimals to display RMS values on spectrum (0 for no text)|Mask (nomall"
"y ones(1,nSignals))|Figure number"
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      MaskCallbackString      "||||||"
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      MaskToolTipString	      "on,on,on,on,on,on,on"
      MaskVarAliasString      ",,,,,,"
      MaskVariables	      "f1=@1;Ts=@2;TsFFT=@3;base=@4;nDec=@5;mask=@6;fi"
"gure_N=@7;"
      MaskInitialization      "Navg=fix((1/f1)/Ts);"
      MaskDisplay	      "color('blue');disp('FFT')"
      MaskIconFrame	      on
      MaskIconOpaque	      off
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "50|500e-6|0.1|[1 1  1] |0|[1 -1 1]|1"
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	Name			"FFT"
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	  Name			  "f2(k)"
	  Position		  [30, 208, 60, 222]
	  Port			  "2"
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	  BlockType		  Inport
	  Name			  "f3(k)"
	  Position		  [30, 333, 60, 347]
	  Port			  "3"
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	Block {
	  BlockType		  SubSystem
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	  ShowName		  off
	  TreatAsAtomicUnit	  off
	  MaskType		  "Shift Register with discrete state space bl"
"ock"
	  MaskDescription	  "This block is a shift register storing valu"
"es [u(k) u(k-1) ... u(k-(Navg-1))]' . This vector can be used for a FFT analy"
"sis."
	  MaskHelp		  "This block is a shift register storing valu"
"es [u(k) u(k-1) ... u(k-(Navg-1))]' . This vector can be used for a FFT analy"
"sis."
	  MaskPromptString	  "Number of Samples inl. in(k)|Inititial Cond"
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	  MaskStyleString	  "edit,edit,edit"
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	  MaskInitialization	  "%Discrete State Space model of averager\n%o"
"ne scalar input\n%Navg sized output [in(k) in(k-1) .... in(k-(Navg-1))]\nQ=ey"
"e(Navg-1);\nA=[Q(:,2:length(Q))  Q(:,1)] ;\nA(1,Navg-1)=0;\nB=[1 ; zeros(Navg"
"-2,1)];\nC=eye(Navg) ;\nC=C(:,2:length(C));\nD=[1 ; zeros(Navg-1,1)];\n\n\n\n"
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	      Name		      "Discrete State-Space"
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	      B			      "B"
	      C			      "C"
	      D			      "D"
	      X0		      "x0"
	      SampleTime	      "Ts"
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	    Block {
	      BlockType		      Outport
	      Name		      "[u;x]"
	      Position		      [350, 183, 380, 197]
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	    Line {
	      SrcBlock		      "Discrete State-Space"
	      SrcPort		      1
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	      SrcBlock		      "u"
	      SrcPort		      1
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