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* PFB channelizer can be specified without external taps. Uses optfir to ↵Tom Rondeau2010-12-281-1/+1
| | | | generate an internal filter to cover the channel bandwidth; user can specify the attenuation of this filter if desired.
* Adding new example script for using the new PFB arbitrary resampler ↵Tom Rondeau2010-12-061-0/+95
| | | | interface. One resampler takes user-generated taps and another resampler just takes the resampling rate. Both input and output signals are plotted.
* Work on examples for the synthesize filterbank block. The cleans up the ↵Tom Rondeau2010-10-162-7/+126
| | | | simple example and adds a new example that synthesizes a number of signals and then channelizes them again. It displays the synthesized PSD as well as the PSD and time waveform of one of the channels that's specified in teh code.
* Adding QA code for fir filter with buffer.Tom Rondeau2010-10-161-2/+1
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* Adding a test example for the synthesis filter.Tom Rondeau2010-10-161-0/+58
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* New matplotlib does the fftshift for us when doing mlab.psd. This makes the ↵Tom Rondeau2010-04-151-2/+2
| | | | figures make sense again.
* Added blks2.pfb_arb_resampler_ccf to GRC block listJohnathan Corgan2009-08-232-0/+601
| | | | | | * New block XML file * Added set_taps callback to blks2 hier block * GRC example showing pre- and post-resampling swept spectrum
* Added missing .gitignoregit2009-08-151-0/+2
| | | | git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11594 221aa14e-8319-0410-a670-987f0aec2ac5
* Merging trondeau/pfb r11249:11581 into trunk. This adds a few polyphase ↵trondeau2009-08-126-0/+994
filterbank implementations that do (integer) decimation, (integer) interpolation, arbitrary resampling, and channelizing. gnuradio-example/python/pfb includes a number of different examples of how to use these blocks. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11583 221aa14e-8319-0410-a670-987f0aec2ac5