Hi Corby: See: http://www.mhtl.uwaterloo.ca/old/courses/me3532/js/bessel.html you can simply calculate what you need... Don
Bruce Griffiths > [email protected] wrote: >> Hi, >> >> I'm making some phase mod index measurements as it relates to Rubidium >> and Cesium standards. >> >> Two questions. >> >> 1. Is a Bessel table for sine wave modulated FM used for PM also? >> >> 2. Where can I find a Bessel table that has fine resolution, the ones >> I'm >> seeing only have large increments of Mod index. (like .25 .5 1.0 1.5 >> 2.0) I need to measure in between these values. >> >> Thanks, >> >> Corby >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > The only difference between fm and pm is that for fm the carrier phase > angle is modulated by the integral of the frequency modulation signal > whereas for PM the modulating signal directly modulates the carrier > phase angle. Thus the analysis is exactly the same (apart from a 90 > degree phase shift of the phase angle modulation) for both sinusoidal FM > and sinusoidal PM. > > Bruce > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- The power of accurate observation is commonly called cynicism by those who have not got it. -George Bernard Shaw Dr. Don Latham AJ7LL Six Mile Systems LLC 17850 Six Mile Road POB 134 Huson, MT, 59846 VOX 406-626-4304 Skype: buffler2 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
