oph_gsl_ifft

Description

Behaviour

It computes the inverse Fast Fourier Transform of a measure array. Measures must be OPH_COMPLEX_DOUBLEs as returned by oph_gsl_fft.

Parameters

  • input measure type: Ophidia typing. Supported type is ‘oph_complex_double’.
  • output measure type: Ophidia typing. Supported type is ‘oph_complex_double’.
  • measure: input measure.

Return type

Binary-array.

Examples

Compute the original signal through the IFFT of the input coefficients.

oph_gsl_ifft('OPH_COMPLEX_DOUBLE','OPH_COMPLEX_DOUBLE',measure)

Operation type

Simple.

Arguments

Argument name Type Mandatory Values Default Min/Max-value Min/Max-times
input measure type “oph_type” “yes” “‘oph_complex_double’”     “1” / “1”
output measure type “oph_type” “yes” “‘oph_complex_double’”     “1” / “1”
measure “binary-array” “yes”       “1” / “1”