[Discuss-gnuradio] FM Receiver doesn't work

2014-02-18 Thread stephan vanwoezik
Hello, My system: WBX motherboard, B100, 2007 Macbook Pro 10.8.5 2.4 ghz core duo 4gb 1067mhz ddr3. I am new here. I have tried to build several FM receiver flow graphs - Taken from the Ettus website, Ettus Youtube page and other sources too. I get the same problem every time... no signal past

Re: [Discuss-gnuradio] Question Concerning Custom Modulator Block

2014-02-18 Thread Jonathan Fox
On Tue, Feb 18, 2014 at 5:30 AM, Martin Braun wrote: > On 02/18/2014 12:28 AM, Jonathan Fox wrote: > > Dear List, > > > > I am writing a custom QPSK modulator block (demod is next) and I am > > caught up on figuring out the output. > > > > I am taking the byte data type (which I am using C++ char)

[Discuss-gnuradio] rrc_taps filter coefficents problem in polyphase clock sync

2014-02-18 Thread zielalaoui
Hi, I m trying to realise QPSK trasmission shown in the tutorial of Tom Rondeau available in this link http://www.trondeau.com/storage/grcon12/rondeau-mpsk_tutorial.pdf I meet problem when i try to add the vector of taps in the polyphase clock sync. I followed the example by creating a variable nam

Re: [Discuss-gnuradio] (Python) Source Block Outputs All 0's

2014-02-18 Thread David Halls
Hi Nathan, Thanks for your reply :) I've done little python before, am trying to incorporate a collaborators code into my system and he's used python. I am used to C, where it would copy the pointer. I understand your advice - thanks, I will look at the link. The return value is mimicking the

Re: [Discuss-gnuradio] (Python) Source Block Outputs All 0's

2014-02-18 Thread West, Nathan
On Tue, Feb 18, 2014 at 12:50 PM, David Halls wrote: > Hi All, > > I have implemented a python source block: > > def __init__(self, kA1=4,kB1=4,k2=4,NA1=8,NB1=8,N2=8,M=8): > gr.sync_block.__init__(self, > name="blsd_enc_b", > in_sig=None, > out_sig=[numpy.uint8,numpy.uint8]) > > > but I can't get

[Discuss-gnuradio] (Python) Source Block Outputs All 0's

2014-02-18 Thread David Halls
Hi All, I have implemented a python source block: def __init__(self, kA1=4,kB1=4,k2=4,NA1=8,NB1=8,N2=8,M=8): gr.sync_block.__init__(self, name="blsd_enc_b", in_sig=None, out_sig=[numpy.uint8,numpy.uint8]) but I can't get it to output anything but

[Discuss-gnuradio] (GSoC) MIMO stuff in GNU Radio

2014-02-18 Thread YiZiRui Zhou
Hi all, I'm Zhou, a graduate student now. I'm pretty interested in MIMO systems, especially Multiuser-MIMO, since it can increase the total throughput of the network significantly. But to the best of my knowledge, there seems no related standard blocks (gr-mimo or something) to achieve this in GNU

Re: [Discuss-gnuradio] 回复: import error: no

2014-02-18 Thread Nemanja Savic
You are right. Thank you On Tue, Feb 18, 2014 at 4:18 PM, Tiankun Hu wrote: > seems need do ldconfig > -- 原始邮件 -- > *发件人:* "Nemanja Savic" > *发送时间:* 2014年2月18日(星期二) 晚上10:02 > *收件人:* "GNURadio Discussion List"; > *主题:* [Discuss-gnuradio] import error: no > Hi all

Re: [Discuss-gnuradio] Issue with gr-funcubedongleproplus

2014-02-18 Thread Mike Harpe
Good day all. I wanted to let you know that I got the gr-fcdproplus driver working. After doing some digging around and getting nowhere I flushed my Debian system, did a clean install, updated it to the current stable release, "carefully" downloaded all the Gnuradio requirements, downloaded and co

[Discuss-gnuradio] import error: no

2014-02-18 Thread Nemanja Savic
Hi all guys, I am facin a problem when trying to import out of tree module. Namely, I developed the module one one machine, and copied source files to another machind and it doesn't work. I have done this several times and every time it worked without problems. Here is the error message: Tracebac

Re: [Discuss-gnuradio] Question Concerning Custom Modulator Block

2014-02-18 Thread Martin Braun
On 02/18/2014 12:28 AM, Jonathan Fox wrote: > Dear List, > > I am writing a custom QPSK modulator block (demod is next) and I am > caught up on figuring out the output. > > I am taking the byte data type (which I am using C++ char) and for each > bit of the byte I would have a custom symbol per

Re: [Discuss-gnuradio] [USRP-users] FPGA devkit using HSMC/FMC RF board?

2014-02-18 Thread Tomas Daujotas
Hi, > Paralella has Z7010 plus 16 core microprocessor and costs 99USD only. >> Too bad we need to wait to order it. >> http://www.adapteva.com/parallella-board/ >> > > This one is very interesting, but can GNURadio bits run on the Epiphany > chip? I will answer a typical engineering answer: it