HW 13b: Difference between revisions
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*Low pass filter to single out the signal at the baseband (and to throw out the signal at +/- 2f) |
*Low pass filter to single out the signal at the baseband (and to throw out the signal at +/- 2f) |
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*Use your favorite sink to hear/see the results |
*Use your favorite sink to hear/see the results |
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===Octave Help=== |
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[http://wiki.aims.ac.za/mediawiki/index.php/Octave Octave Wiki] |
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===Possibly promising links=== |
===Possibly promising links=== |
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Revision as of 21:50, 11 December 2008
Installing Ubuntu
- VMWare Player
- Pre-compiled Ubuntu 8.10
- U:vmplanet
- P:vmplanet.net
GNU Radio + GNU Radio Companion
- GNU Radio Companion is installed with GNU Radio 3.2 and above. Install from the trunk. Synaptic Package Manager will only install 3.0.4
- GNU Radio Companion is the GUI for GNU Radio
Installing GNU Radio + GNU Radio Companion
- Grab the following files from mu/shared/class/engr/455/Adaptive Filter SDR Project/
- grc.tar.gz
- http://gnuradio.org/trac/wiki/UbuntuInstall
SSB Demodulation
- Convert the *.auf files (and not the *.au files) using Audacity, note the sampling rate
- Wave source allows you to play the converted *.wav files
- Bandpass filter to single out the 3kHz (and get rid of the 1/f noise at the same time)
- Shift down to baseband with a cosine wave
- Low pass filter to single out the signal at the baseband (and to throw out the signal at +/- 2f)
- Use your favorite sink to hear/see the results