[Discuss-gnuradio] USRP underrun and overrun

2011-05-09 Thread HW Wong
Hi, I get fixed the errors and compiled gnuradio on Ubuntu 11.04 on a notebook. I get the following errors about for usrp_benchmark_usb.py. Is it the problem about USB? I don't know how to know my USB is running 2.0. HP-Compaq-6535s:~/gnuradio/gnuradio-examples/python/usrp$ ./usrp_benchmark_usb.

Re: [Discuss-gnuradio] Gnuradio Compilation error

2011-05-09 Thread HW Wong
= 400 nright= 3883563 runlength = 38818 delta = 3961182 FAILED On Mon, May 9, 2011 at 4:52 PM, Tom Rondeau wrote: > On Mon, May 9, 2011 at 9:49 AM, HW Wong wrote: > >> Hi, >> >> I get the gnuradio from git and make it. >> get the following error. &g

[Discuss-gnuradio] Gnuradio Compilation error

2011-05-09 Thread HW Wong
Hi, I get the gnuradio from git and make it. get the following error. Could anyone please kindly advice. Thanks! /lib/i386-linux-gnu/gcc/i686-linux-gnu/4.5.2/crtendS.o /usr/lib/i386-linux-gnu/gcc/i686-linux-gnu/4.5.2/../../../crtn.o -pthread -pthread -pthread -Wl,-soname -Wl,libgnuradio-qt

[Discuss-gnuradio] airprobe xlating filter question

2011-03-11 Thread HW Wong
It's known that the channel band width is 200KHz When looking into airprobe, gsm_receiver.py the cutoff freq in xlating is 145KHz, Can anyone kindly to explain. Thanks! filter_cutoff = 145e3 filter_t_width = 10e3 filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff, filte