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improved Fourier transform. For details see the ChangeLog

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suter_a
2012-11-19 13:27:37 +00:00
parent 11d710bce3
commit 17d7ef4b99
22 changed files with 167 additions and 104 deletions
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8
src/include/PFourier.h
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@ -34,14 +34,13 @@
#include "fftw3.h"
#include "PMusr.h"
#define F_APODIZATION_NONE 1
#define F_APODIZATION_WEAK 2
#define F_APODIZATION_MEDIUM 3
#define F_APODIZATION_STRONG 4
// gamma_muon / (2 pi) = 1.355342e-2 (MHz/G)
#define F_GAMMA_BAR_MUON 1.355342e-2
/**
* muSR Fourier class.
*/
@ -50,7 +49,7 @@ class PFourier
public:
PFourier(TH1F *data, Int_t unitTag,
Double_t startTime = 0.0, Double_t endTime = 0.0,
UInt_t zeroPaddingPower = 0);
Bool_t dcCorrected = false, UInt_t zeroPaddingPower = 0);
virtual ~PFourier();
virtual void Transform(UInt_t apodizationTag = 0);
@ -74,6 +73,7 @@ class PFourier
Double_t fTimeResolution; ///< time resolution of the data histogram
Double_t fStartTime; ///< start time of the data histogram
Double_t fEndTime; ///< end time of the data histogram
Bool_t fDCCorrected; ///< if true, removed DC offset from signal before Fourier transformation, otherwise not
UInt_t fZeroPaddingPower; ///< power for zero padding, if set < 0 no zero padding will be done
Double_t fResolution; ///< Fourier resolution (field, frequency, or angular frequency)