Thank you for the note. If it is designed the way you say (and this is not contraindicated by the document I provided a link to) then the bauds in the detector will be orthogonal.
73's Bob N4HY cesco12342000 wrote: >> relevant to its classification to OFDM. Which it is NOT. The >> > carriers > >> are on 120 Hz centers and the baud times are 100 Hz. Because the >> > baud > >> time is not commensurate with angular frequency of the carriers, the >> dot products are not zero and therefore, they are NOT orthogonal in >> PACTOR-III. >> > > I do not agree. > > 100 baud means 10ms/symbol, of which 8.33ms symbol time, 1.66ms guard > interval. Carrier spacing is 1000ms/8.33ms = 120hz. > > The carrier spacing is orthogonal to the "integration time", and not > to "integration time + guard intervall". It's exacly like all the other > ofdm systems. > > > > > > > > Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org > > > Yahoo! Groups Links > > > > > > -- AMSAT Director and VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. ARRL SDR WG Chair "If you board the wrong train, it is no use running along the corridor in the other direction. " - Dietrich Bonhoffer
