class FrvRFFT

    public:

      FrvRFFT FrvRFFT()
      FrvRFFT FrvRFFT(const FrvRFFT&)
         void ~FrvRFFT()

Data Members

    public:

       double decay       decay time for averageing (could by changed) */
         long nDecay      #of fft for the mean spectrum(could be reset)*/
          int fftSize     fftsize fft vector size                      */
          int decimate    decimation apply (no decimate if set to 0)   */
       FRBOOL optionA     if = FR_YES compute the average amplitude    */
       FRBOOL optionH     if = FR_YES apply an hanning window          */
       FRBOOL optionO     if = FR_YES overlapp data by half a vector   */
       FRBOOL optionN     if = FR_YES normalized the result by sqrt(Hz)*/
       FRBOOL optionP     if = FR_YES suppress the pedestal(mean value)*/
       FRBOOL optionS     if = FR_YES compute the amplitude spectrum   */
         long nData       number of data points used by the fft        */
         long nDataP2     nearest log base2 of nBin                    */
       double dt          time sampling frequency                      */
       double dnu         frequency bin size                           */
      FrVect* window      vector to hold the window                    */
      FrVect* output      vector to hold the last data chunk           */
      FrvBuf* buffer      internal buffer for vector resizing          */
        char* name        name of the input vector                     */
       double mean        time serie mean value                        */
      FrVect* amplitude   vector to hold the last amplitude spectrum   */
      FrVect* amplitudeA  vector to hold the averaged amplitude        */
         long nFFT        number of fft computed                       */
         char err[256]    hold error message if any                    */
        void* plan        FFTW plan(type is rfftw_plan)                */

Class Description

Inline Functions

        FrvRFFT FrvRFFT()
        FrvRFFT FrvRFFT(const FrvRFFT&)
           void ~FrvRFFT()

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