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From: | Matt Ettus |
Subject: | Re: [Discuss-gnuradio] GMSK: GSM initial phase for a burst |
Date: | Tue, 19 Jun 2007 00:04:02 -0700 |
User-agent: | Thunderbird 2.0.0.0 (X11/20070326) |
Jeffrey Karrels wrote: > Great suggestion! > > I have attached a couple of things: > 1) The IQ plot (1e6 sample rate) > 2) The burst data (MATLAB array) > 3) The da vs time plot. (1 symbol = 3.69us) > > Another quick question. I can now see that after the amplitude ramp > up that there is a short section of negative phase movement (.7 > radians clockwise) prior to the remaining counterclockwise rotations. > Should I expect a full (-pi/2) to start off the burst? Is my sampling > rate just not high enough to catch the remaining rotation? Any other > suggestions? I don't see anything at all wrong with this data. Matt
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