FFT gr_fft_vxx from gnuradio import gr from gnuradio import window #if $type.eval == "complex" gr.fft_vcc($fft_size, $forward, $window, $shift) #else gr.fft_vfc($fft_size, $forward, $window) #end if Input Type type enum Complex complex hide_shift: Float float hide_shift:all FFT Size fft_size 1024 int Forward/Reverse forward enum Forward True Reverse False Window window window.blackmanharris(1024) real_vector Shift shift enum $type.hide_shift Yes True No False in $type $fft_size out complex $fft_size