#gnuradio — Public Fediverse posts
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I've just tested the principle of #SSB processing using Controlled-Envelope Single-Sideband modulation (CESSB) in #GNURadio and it is beyond beautiful.
It uses a two stage process of clipping and peak stretching that combined can reduce the effects of over modulation typically introduced by #agc
Even extremely overmodulated input signals (25x) still produce clean audio indistinguishable from the original source signal.
Paper:
https://www.arrl.org/files/file/QEX_Next_Issue/2014/Nov-Dec_2014/Hershberger_QEX_11_14.pdf