TD_DFFT Function Syntax | Teradata Vantage - TD_DFFT Syntax - Teradata Vantage

TD_DFFT
(
{ SERIES_SPEC | ART_SPEC } ,
   FUNC_PARAMS (
      [ ZERO_PADDING_OK ( {1 | 0} ), ]
      [ FREQ_STYLE ( {“K_INTEGRAL” | “K_SAMPLE_RATE” | “K_RADIANS” |
         “K_HERTZ”} ), ]
      [ HERTZ_SAMPLE_RATE ( float ), ]
      [ ALGORITHM ( {“COOLEY_TUKEY” | “SINGLETON”} ), ]
      [ HUMAN_READABLE ( {1 | 0} ) ]
   )
   [, OUTPUT_FMT (
   CONTENT ( {
      COMPLEX | AMPL_PHASE_RADIANS | AMPL_PHASE_DEGREES | AMPL_PHASE |
         MULTIVAR_COMPLEX | MULTIVAR_AMPL_PHASE |
         MULTIVAR_AMPL_PHASE_RADIANS | MULTIVAR_AMPL_PHASE_DEGREES |
         MULTIVAR_AMPL_PHASE
     } ) 
   ) ]
) ;