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SignalUtils.CplxCepstrumInv Function
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Compute the inverse complex cepstrum.

Pascal
procedure CplxCepstrumInv(const Src: TVec; const Dst: TVec; PhaseLag: double; TargetLength: integer);
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Description

Compute inverse complex cepstrum of Src and place the result in Dst. Phase lag is the value returned by CplxCepstrum. TargetLength is the length of the original (not zero padded) signal passed to the CplxCepstrum routine.

See Also
Example

Forward and inverse complex cepstrum. 

 

uses MtxExpr, Math387, MtxVec, SignalUtils, MtxVecTee, MtxVecEdit;

procedure TForm1.Button1Click(Sender: TObject);
var a,b: Vector;
    k: double;
begin
   a.SetIt(False,[1,2,3,4,3,2,-1,1]);
   k := CplxCepstrum(a,b);
   CplxCepstrumInv(b,a,k,a.Length);
// "a" again becomes the same as on the input a =  [1,2,3,4,3,2,-1,1]
   DrawIt(a);
end;

 

#include "MtxExpr.hpp"
#include "MtxVecEdit.hpp"
#include "MtxVecTee.hpp"
#include "SignalUtils.hpp"

void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
    sVector a,b;
    double  k;

    a.SetIt(False,OPENARRAY(double,(1,2,3,4,3,2,-1,1)));
    k = CplxCepstrum(a,b);
    CplxCepstrumInv(b,a,k,a.Length);
  //  "a" again becomes the same as on the input a =  [1,2,3,4,3,2,-1,1]
      DrawIt(a);
}
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