Just resending as this didn't seem to get through to the list... Presumably I must be subscribed to post?
On Tue, 2009-02-17 at 20:37 +1100, Nick Withers wrote: > Hi all, > > I'm new to GNURadio / the USRP, but am working on a project, as part of > my honours for a Bachelor of Engineering degree, to implement a > pulse-doppler RADAR wind profiler (some information at > http://nickwithers.com/usrp-wind-profiler). > > If anyone's interested, perhaps doing something similar, or with tips > they can offer off the top of their noggin I'd love to hear from you :-) > > I'm basing my work off Johnathan Corgan's radar-mono code (thanks > Johnathan!) and have a couple of questions I was hoping someone could > point me in the right direction with (dare say I'll be getting referred > straight to the FAQ, it's all a bit overwhelming!). > > I want, if possible, to bypass the DAC's interpolation, filtering etc. > (the chief reason being to avoid the 44 MHz upper-bound on signals I can > output from it (I'm using the Basic{T|R}X boards and aiming to work > around 70 MHz), see http://www.gnuradio.org/trac/wiki/UsrpFAQ/DUC > (incidentally, I've done a crap job of finding supporting information in > the AD9862 data sheet)). Do I need to rewrite the C++ code (e.g., > usrp/host/lib/legacy/usrp_standard.cc) if I want to continue to use > usrp_source_?() / usrp_sink_?() and such from Python? Any tips on how I > go about doing it? Can / should I just rewrite the DAC configuration > from within the FPGA when it's initialised? > > Any tips appreciated! -- Nick Withers email: [email protected] Web: http://www.nickwithers.com Mobile: +61 414 397 446
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