Hi David, I thought relating at a deep level to complex numbers was the mark of an engineer. :-\
Regards, Steve On 08/28/2014 04:42 AM, David Rowe wrote: > Yes negative frequencies mess with my head too. Like complex numbers. > I know how to use them, but sqrt(-1)? On some level I just don't get > it. I'm too much of an engineer - as a mathematician once told me "all > you guys want is the formula". > > - David > > On 28/08/14 01:12, Steve wrote: >> Hmm, I thought about it some more, and what I was expecting maybe was >> -34 Hz, but then I realized that the filters past 128 actually represent >> filters less than 0 Hz (move the whole 128 filter block to the left of >> the other block), so the result would actually be far left of 0 Hz, and >> -166 would be about right. Time to switch to water instead of coffee :-) >> >> Since I didn't test with a frequency offset, that's why I never saw the >> print statement... >> >> 73/Steve >> >> >> >> ------------------------------------------------------------------------------ >> Slashdot TV. >> Video for Nerds. Stuff that matters. >> http://tv.slashdot.org/ >> >> >> >> _______________________________________________ >> Freetel-codec2 mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> > ------------------------------------------------------------------------------ > Slashdot TV. > Video for Nerds. Stuff that matters. > http://tv.slashdot.org/ > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that matters. http://tv.slashdot.org/ _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
