[Discuss-gnuradio] (no subject)

2008-07-04 Thread matteo zunino
Hi, I'm working on put differents modulations in differents carriers. i've implemented my project, modifying Ofdm.py and the sorces gr_ofdm_mapper_bcv.cc and gr_ofdm_frame_sink.cc. Now i've a doubt. The benchamrk simulation go correctly. how can i see if the program did the right

Re: [Discuss-gnuradio] (no subject)

2008-07-04 Thread Tom Rondeau
matteo zunino wrote: Hi, I'm working on put differents modulations in differents carriers. i've implemented my project, modifying Ofdm.py and the sorces gr_ofdm_mapper_bcv.cc and gr_ofdm_frame_sink.cc. Now i've a doubt. The benchamrk simulation go correctly. how can i see if the program did

Re[Discuss-gnuradio] sampling precision

2008-07-04 Thread irene159
Hello, I run into some weird results on the rational_resampler.rational_resampler_ccf output. Look at picture 1 [1] bellow: Signal input : Carrier of 1,4 Mhz sampled at 640 Ksamp/s Interporlation resampler = 2 Decimation resampler = 3 Manual extract: fractional_bw:

Re: Re[Discuss-gnuradio] sampling precision

2008-07-04 Thread Martin Braun
On Fri, Jul 04, 2008 at 07:52:56AM -0700, irene159 wrote: Hello, I run into some weird results on the rational_resampler.rational_resampler_ccf output. Look at picture 1 [1] bellow: Signal input : Carrier of 1,4 Mhz sampled at 640 Ksamp/s Interporlation resampler = 2

Re: Re[Discuss-gnuradio] sampling precision

2008-07-04 Thread Martin Braun
On Fri, Jul 04, 2008 at 07:52:56AM -0700, irene159 wrote: Can someone give me more informations on the rational_bw parameter? I apologise for not answering the actual question. This parameter controls how wide the transition band for the interpolation filter can be and depends on the

Re: Re[Discuss-gnuradio] sampling precision

2008-07-04 Thread Eric Blossom
On Fri, Jul 04, 2008 at 07:52:56AM -0700, irene159 wrote: Are there any files using resampling function that I can take a look at? [EMAIL PROTECTED] trunk]$ find . -name '*.py' -print0 | xargs -0 grep -l rational_resampler ./gnuradio-core/src/lib/swig/gnuradio_swig_py_filter.py