Re: [Discuss-gnuradio] Question about USRP's capacity in signal processing (bandwidth)

2007-08-02 Thread Eng. Firas
Hi, When you use 8 bit data transfer (decimation =4) you will get the 16MHz instantaneous bandwidth. Check the available options of the usrp_fft.py. Firas Feng Andrew Ge wrote: Dear all I have been reading GNU Radio discussion for half a year, first time to post a topic. Thanks a lot

[Discuss-gnuradio] import error after re-swig-ing

2007-08-02 Thread Alex Young
I know Tom is really busy these days, so I decided to give him a break from all my questions and see if anyone on the list can provide some insight. background: I have been using gnuradio 3.0 rc1 for at least one month, with no obvious issues. running on ubuntu 7.04, x86 I wrote a little

[Discuss-gnuradio] GnuRadio 3.0.4 newbie install question

2007-08-02 Thread Li, W David
Hi, I am new to this. Here is my setup: OS: Fedora Core 6 Platform: x86 64 bit. Gnuradio: 3.0.4 So far I have passed ./configure, make and make check. But I failed at make install for some weird stuff: mv: cannot move 'libgnuradio-core-qa.so.0.0.0' to 'libgnuradio-core-qa.so.0.0.0U':

Re: [Discuss-gnuradio] GnuRadio 3.0.4 newbie install question

2007-08-02 Thread Chris Albertson
mv: cannot move 'libgnuradio-core-qa.so.0.0.0' to 'libgnuradio-core-qa.so.0.0.0U': permission denied. The above was when I was root. But I found I could only manually do the above NOT as root. Any ideas? What are the ownership and permissions on the file and directory? Chris

Re: [Discuss-gnuradio] GnuRadio 3.0.4 newbie install question

2007-08-02 Thread Johnathan Corgan
Li, W David wrote: It still doesn't work after I did chmod 777 on the file: -rwxrwxrwx 1 wdli users 1858695 Aug 1 17:20 libgnuradio-core-qa.so.0.0.0 What are the permissions on the directory? $ ls -ld . -- Johnathan Corgan Corgan Enterprises LLC http://corganenterprises.com

RE: [Discuss-gnuradio] GnuRadio 3.0.4 newbie install question

2007-08-02 Thread Chris Albertson
--- Li, W David [EMAIL PROTECTED] wrote: It still doesn't work after I did chmod 777 on the file: -rwxrwxrwx 1 wdli users 1858695 Aug 1 17:20 libgnuradio-core-qa.so.0.0.0 777 on the _file_ will not help at all if you are trying to delete it. For that you need to write to the

RE: [Discuss-gnuradio] GnuRadio 3.0.4 newbie install question

2007-08-02 Thread Chris Albertson
--- Li, W David [EMAIL PROTECTED] wrote: It still doesn't work after I did chmod 777 on the file: -rwxrwxrwx 1 wdli users 1858695 Aug 1 17:20 libgnuradio-core-qa.so.0.0.0 777 on the _file_ will not help at all if you are trying to delete it. For that you need to write to the

[Discuss-gnuradio] Two USRP's

2007-08-02 Thread John Stralka
I'm trying to do a simple experiment with two USRP's (one has a Rev 3 PCB and the other a Rev 4), each containing one RFX 2400 daughterboard on Side A. Both USRP's are connected to the same host PC. What is the proper way to run usrp_siggen.py and usrp_fft.py in order to transmit out of one

[Discuss-gnuradio] how to control the flowgraph run and wait?

2007-08-02 Thread Dong Li
Hi, I am tring to write some python script to implement the synchronous transmit. So I have to control the two flowgraph to decide what is the proper time to start, and also need some method to wait (for instance, first send a header then wait some time to send the packet). Is there some module

[Discuss-gnuradio] testbench problem

2007-08-02 Thread Zhuocheng Yang
Hi Everyone: This is a follow up of yesterday's start/end of burst issues. I have created a testbench to test my code. See attachment for details(only 4 files). when simulating the code, the datain register in the file test_chan_fifo_reader.v is set to be the wrong value. In Ln 88 of

Re: [Discuss-gnuradio] testbench problem

2007-08-02 Thread Brian Padalino
On 8/2/07, Zhuocheng Yang [EMAIL PROTECTED] wrote: Hi Everyone: This is a follow up of yesterday's start/end of burst issues. I have created a testbench to test my code. See attachment for details(only 4 files). I didn't receive an attachment - could you commit to your SVN branch? Brian

Re: [Discuss-gnuradio] testbench problem

2007-08-02 Thread George Nychis
The mailing list monster probably ate it for good reason! I committed the files to leos branch: http://gnuradio.org/trac/browser/gnuradio/branches/developers/zhuochen/simulations/burst_test Other than that, I know nothing about them ;) - George Brian Padalino wrote: On 8/2/07, Zhuocheng

Re: [Discuss-gnuradio] Tx/Rx using one USRP board

2007-08-02 Thread pratik hetamsaria
Hi, I am facing a few problems in making USRP work as relay. I use rx_voice.py and tx_voice.py for reception and transmission of audio files.If i transmit at 910MHz and relay it at 950MHz then after relaying , very few packets are received on another node. Infact, most of the packets are not

Re: [Discuss-gnuradio] testbench problem

2007-08-02 Thread Brian Padalino
On 8/2/07, George Nychis [EMAIL PROTECTED] wrote: The mailing list monster probably ate it for good reason! I committed the files to leos branch: http://gnuradio.org/trac/browser/gnuradio/branches/developers/zhuochen/simulations/burst_test Other than that, I know nothing about them ;)

[Discuss-gnuradio] Using two Rx daughter board on one USRP

2007-08-02 Thread Yuankai Ge
Hi, I'm trying to use two different Rx basic daughter board on one USRP to catch different signals. However, I want to do different process to the data collect from different path. Should I use one flowgraph or two? I've tried to use only one flowgraph but when executing the python script, it