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Pulse matched filtering places a boxcar filter upstream of the averager and preamble detector. The filter length is equivalent to the number of samples in one Mode S chip (0.5us). This technique enhances operation when using sample rates > 4Msps. When using --pmf, the threshold may need to be reduced a dB or two from what would have been optimal without --pmf. * rx_path.py now takes 'use_pmf', defaults to False * modes_rx has new CLI option '-p' or '--pmf' to turn on PMF * modes_gui has new checkbox on Setup tab |
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CMakeLists.txt | ||
modes_rx.ui |