Re: [Discuss-gnuradio] BFSK

2014-11-19 Thread Michael Ossmann
On Mon, Nov 17, 2014 at 11:09:14AM -0800, Richard Bell wrote: > > Would someone please recommend a book that steps through the > implementation used in GNU Radio for the Frequency Mod and Quadrature > Mod blocks? I discuss the algorithm implemented in the Quadrature Demod block in this video: htt

Re: [Discuss-gnuradio] BFSK

2014-11-18 Thread Martin Braun
If you're interested in the workings of the CPM modulators (but it seems like Dan's response might be more appropriate), a very complete description can be found in "Anderson, Aulin and Sundberg; Digital Phase Modulation", as quoted in http://gnuradio.org/doc/doxygen/classgr_1_1analog_1_1cpm.html#a

Re: [Discuss-gnuradio] BFSK

2014-11-17 Thread Dan CaJacob
Hi Richard, I suffered through understanding the quadrature mod/demod block settings a while back. I provide some links to that information below. I provide a formula for the settings for both digital and audio applications. As you can see (from the reading), the settings can be derived from sa