Tue Jul 8 19:32:53 2014 variable id samp_rate _enabled True value f_symb*OSR _coordinate (10, 170) _rotation 0 variable id f_symb _enabled True value 1625000.0/6.0 _coordinate (11, 239) _rotation 0 parameter id OSR _enabled True label OverSamplingRatio value 4 type intx short_id _coordinate (264, 4) _rotation 0 blocks_complex_to_arg id blocks_complex_to_arg_0 _enabled True vlen 1 affinity minoutbuf 0 maxoutbuf 0 _coordinate (641, 158) _rotation 0 blocks_multiply_conjugate_cc id blocks_multiply_conjugate_cc_0 _enabled True vlen 1 affinity minoutbuf 0 maxoutbuf 0 _coordinate (444, 141) _rotation 0 blocks_delay id blocks_delay_0 _enabled True type complex delay int(OSR) num_ports 1 vlen 1 affinity minoutbuf 0 maxoutbuf 0 _coordinate (319, 171) _rotation 0 blocks_moving_average_xx id blocks_moving_average_xx_0 _enabled True type float length int((142)*samp_rate/f_symb) scale 1 max_iter int(1e6) affinity minoutbuf 0 maxoutbuf 0 _coordinate (971, 138) _rotation 0 blocks_threshold_ff id blocks_threshold_ff_0_0 _enabled True low 0 high 0 init 0 affinity minoutbuf 0 maxoutbuf 0 _coordinate (815, 138) _rotation 0 pad_source id pad_source_0 _enabled True label in type complex vlen 1 num_streams 1 optional False _coordinate (155, 137) _rotation 0 blocks_threshold_ff id blocks_threshold_ff_0 _enabled True low int((138)*samp_rate/f_symb) high int((138)*samp_rate/f_symb) init 0 affinity minoutbuf 0 maxoutbuf 0 _coordinate (1150, 138) _rotation 0 gsm_fcch_burst_tagger id gsm_fcch_burst_tagger_0 _enabled True OSR OSR affinity minoutbuf 0 maxoutbuf 0 _coordinate (348, 303) _rotation 0 pad_sink id pad_sink_0 _enabled True label out type complex vlen 1 num_streams 1 optional False _coordinate (584, 316) _rotation 0 options id fcch_detector _enabled True title FCCH Bursts Detector author Piotr Krysik description Detects positions of FCCH bursts. At the end of each detected FCCH burst adds to the stream a tag with key "fcch" and value which is a frequency offset estimate. The input sampling frequency should be integer multiply of GSM GMKS symbol rate - 1625000/6 Hz. window_size 1280, 1024 generate_options hb category GSM run_options prompt run True max_nouts 0 realtime_scheduling _coordinate (8, 0) _rotation 0 pad_source_0 blocks_multiply_conjugate_cc_0 0 0 blocks_delay_0 blocks_multiply_conjugate_cc_0 0 1 blocks_complex_to_arg_0 blocks_threshold_ff_0_0 0 0 pad_source_0 blocks_delay_0 0 0 blocks_multiply_conjugate_cc_0 blocks_complex_to_arg_0 0 0 blocks_moving_average_xx_0 blocks_threshold_ff_0 0 0 blocks_threshold_ff_0_0 blocks_moving_average_xx_0 0 0 gsm_fcch_burst_tagger_0 pad_sink_0 0 0 pad_source_0 gsm_fcch_burst_tagger_0 0 0 blocks_threshold_ff_0 gsm_fcch_burst_tagger_0 0 1