GNU Radio Tutorials: Part 3 - Types, Channel Selection & Graphical Sinks





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Published on Jun 3, 2012

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ExtIO plugin for HDSDR to relay UDP baseband: http://wiki.spench.net/wiki/USRP_Inte...
BorIP protocol http://wiki.spench.net/wiki/BorIP
Extra modules & patches: http://wiki.spench.net/wiki/gr-baz
Notes: http://wiki.spench.net/wiki/GNU_Radio...

Time-based TOC:

00:05 UDP Source
00:30 Types and Vector form
00:40 UDP Source properties
00:51 How 'Types' work at the different levels of GNU Radio
01:59 IShort To Complex: Interleaved Sequence of I & Q
02:31 Vector to Stream
04:15 Frequency Xlating FIR Filter for Channel Selection
04:27 Calculating incoming sample rate
05:10 Frequency Xlating FIR Filter properties
06:35 XMLRPC Server
07:23 Variable Config for persisting Variable state
08:39 Fast Auto-correlation Sink
09:04 Constellation Sink
09:23 Re-sampling for the Constellation Sink
09:46 Quadrature Demodulator
10:32 Demo
11:02 Varying filter bandwidth
11:35 Scope Plot of channel
11:49 Constellation Plot of FM
11:54 Waterfall Plot
12:20 Scope Plot of Quadrature Demodulation
14:00 Fast Auto-correlation of channel
14:42 Nature of points on Constellation Plot and XY Scope Plot


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