Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Deqiang chen
From: Eric Blossom <[EMAIL PROTECTED]> To: Deqiang chen <[EMAIL PROTECTED]> CC: Discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec Date: Fri, 15 Apr 2005 12:52:54 -0700 On Fri, Apr 15, 2005 at 07:38:32PM +, Deqiang chen wrote: &g

RE: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Deqiang chen
sizes are different' ValueError: source and destination data sizes are different what is wrong with the code ? Thanks! david From: Eric Blossom <[EMAIL PROTECTED]> To: Deqiang chen <[EMAIL PROTECTED]> CC: Discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] Re: FSK now (really) working

Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Eric Blossom
On Fri, Apr 15, 2005 at 07:38:32PM +, Deqiang chen wrote: > Thanks, guys! > Now I have another problem about how to use split the dat stream. > I would like to split a data stream, put it into parallel streams and > show these streams on > screen. Note that I would like to show these data stre

RE: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Deqiang chen
at is wrong with the code ? Thanks! david From: Eric Blossom <[EMAIL PROTECTED]> To: Deqiang chen <[EMAIL PROTECTED]> CC: Discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec Date: Fri, 15 Apr 2005 10:41:42 -0700 On Fri, Apr 15, 2005 at 03:37:27P

[Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Eric Blossom
On Fri, Apr 15, 2005 at 03:37:27PM +, Deqiang chen wrote: > hello, Eric, > > I remembered there is an annoucement that FSK can work at 100kbps. > So I dig it out and take a look at the source code for the FSK ( > fsk_rx.py) . I am a little surprised > that there are no time recovery there. >

Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Matt Ettus
Quoting Deqiang chen <[EMAIL PROTECTED]>: > hello, Eric, > > I remembered there is an annoucement that FSK can work at 100kbps. > So I dig it out and take a look at the source code for the FSK ( fsk_rx.py) > . I am a little surprised > that there are no time recovery there. My understanding is tha

[Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-04-15 Thread Deqiang chen
would not need the phase information. However, you still need to know the timing in order to correctly sampling the output of correlator or matched filter. Could you give a hint of what is going on here ? david Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec From: Eric Blossom

Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-03-01 Thread Eric Blossom
On Tue, Mar 01, 2005 at 10:53:10PM +0100, Stephane Fillod wrote: > On Mon, Feb 28, 2005 at 03:59:00AM -0800, Eric Blossom wrote: > > > The primary bottleneck is in the rx path and is in the generic (C++) > > implemenation of gr_fir_ccf. We could use a SIMD version > > of this filter primitive (an

Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-03-01 Thread Stephane Fillod
On Mon, Feb 28, 2005 at 03:59:00AM -0800, Eric Blossom wrote: > Matt and I spent some time looking at the FSK code over the weekend. [...] nice! > The primary bottleneck is in the rx path and is in the generic (C++) > implemenation of gr_fir_ccf. We could use a SIMD version > of this filter pri

[Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

2005-02-28 Thread Eric Blossom
Matt and I spent some time looking at the FSK code over the weekend. I made a couple of changes: reduced the gain in the tx module, fixed the problem in gr_simple_correlator.cc that was having it return after processing only a single sample (ooops!), and added a -N option (no graphs) to fsk_tx.py