About flowgraph stop and blocks sending last-data-indicator

2022-04-28 Thread Jonas Wenner
Hello,   long time lurker, first time poster + newbie in GNURadio and digital signal processing here. I'm terribly sorry if the question I'm about to ask is already answered in the wiki (couldn't find anything so far).   I have a question about flowgraph deconstruction / end of execution for mess

[Discuss-gnuradio] Development environment for GNURadio (python and C++)

2019-07-25 Thread Jonas Manthey
well with the GNURadio ecosystem. For python I'd like to use PyCharm, for C++ I would like to not use Eclipse, so does someone know an alternative? Minimum requirements would be: GUI, breakpoints, watches. Thanks & have a nice day, Jonas _

Re: [Discuss-gnuradio] USRP GNU radio receiver

2019-07-18 Thread Jonas Manthey
, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Simona Sibio Sent: Donnerstag, 18. Juli 2019 13:01 To: Kyeong Su Shin Cc: discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] USRP GNU radio receiver Hi Kyeong, I attached the

Re: [Discuss-gnuradio] [announcement] GNU Radio 3.8 Release Candidate 1

2019-07-18 Thread Jonas Manthey
Hi, I know this list contains a lot of recipients but I'd just like to thank you and all contributors for this major release, looking forward to check it soon. Keep up the good work! Cheers, Jonas -Original Message- From: Discuss-gnuradio [mailto:discuss-gnuradio-bo

[Discuss-gnuradio] Be careful about the acronym "sps"

2019-07-16 Thread Jonas Manthey
Hi, Off-topic: not sure about the terminology in the GNURadio community, just be aware that for most electrical engineers “sps” means samples per second and not samples per symbol. I’d rather not use the acronym at all in a block diagram to improve readability. Cheers, Jonas From: Discuss

Re: [Discuss-gnuradio] Help getting accurate AWGN SNR values

2019-07-03 Thread Jonas Manthey
Hi, Small addition: that’s why in the GNSS world (and others I guess) we use C/N0: https://en.wikipedia.org/wiki/Carrier-to-noise-density_ratio which is “normed” to 1Hz. Kyeong’s video is a must watch if you are new to this field! Cheers, Jonas From: Discuss-gnuradio [mailto:discuss

Re: [Discuss-gnuradio] Inexpensive Digital RF Signal Generator

2019-06-27 Thread Jonas Manthey
an SDR that can transmit and costs less than 50$. If you strip away the transmit requirements, the rtl-sdr is perfect for your needs: https://www.rtl-sdr.com/buy-rtl-sdr-dvb-t-dongles/ Maybe you can use this and an inexpensive arbitrary waveform generator? Cheers, Jonas From: Discuss-gnuradio

Re: [Discuss-gnuradio] Divide frequency by a constant

2019-06-18 Thread Jonas Manthey
; blocks. A good source: http://blog.sdr.hu/grblocks/xlating-fir.html Cheers, Jonas -Original Message- From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Barry Duggan Sent: Dienstag, 18. Juni 2019 16:02 To: Discuss Gnuradio Subject: [Discuss-g

Re: [Discuss-gnuradio] Hardware for MIMO & Beamforming Experiment

2019-06-14 Thread Jonas Manthey
Hi, If you’re happy with receive-only you could have a look at KerberosSDR: https://www.rtl-sdr.com/tag/kerberossdr/ https://www.indiegogo.com/projects/kerberossdr-4x-coherent-rtl-sdr#/ Cheers, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On

Re: [Discuss-gnuradio] Determining distance from OFDM signals

2019-06-07 Thread Jonas Manthey
, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Andrew Wolfram Sent: Donnerstag, 6. Juni 2019 01:20 To: discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] Determining distance from OFDM signals Hi, I'm trying to alter the

Re: [Discuss-gnuradio] Error while loading graph to GR-inspector AMC block

2019-05-29 Thread Jonas Manthey
and not GNURadio related. You can always use your “top_block.py” as a starting point for the pure python application. Cheers, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Daniel Andres Palacios Sent: Mittwoch, 29. Mai 2019 02:17 To

Re: [Discuss-gnuradio] query regarding store transmitted signal

2019-05-17 Thread Jonas Manthey
io whatever you want. Cheers, Jonas -Original Message- From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox@gnu.org] On Behalf Of Maitry Raval Sent: Freitag, 17. Mai 2019 13:37 To: Marcus Müller, CEL Cc: discuss-gnuradio Subject: Re: [Discuss-gnuradio]

[Discuss-gnuradio] Thread safety of PMT objects in python

2016-07-04 Thread Jonas Deitmerg
gnuradio 3.7.9.2, swig 3.0.10 and python 2.7.11 running on Arch Linux, kernel 4.6.3, 64 bit. Thanks in advance Jonas #!/usr/bin/env python2 # -*- coding: utf-8 -*- from gnuradio import gr, blocks import pmt import numpy as np from time import sleep ''' This is a demo of how acce

[Discuss-gnuradio] gr-trellis: convenc and viterbi with own mapper/de-mapper

2010-08-16 Thread Jonas M. Börner
ad if someone told me what I am doing wrong. Regards, Jonas ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Question: gr_single_pole_iir_filter_cc

2008-03-09 Thread Jonas
Hi All! I would just like to ask what this line means. This has been taken from the doxygen generated documentation for gr_single_pole_iir_filter_cc: \[ H(z) = \frac{alpha}{1 - (1-alpha) z^{-1}} \] Is it alpha /(1-(1-alpha)*z^-1)? Or is it 1/(alpha(1-(1-alpha)*z^-1))? Thanks! _

[Discuss-gnuradio] Question: using gr_float_to_complex

2008-01-29 Thread Jonas
Hi everyone! I have this problem with using gr_float_to_complex. I wanted to connect two sptr types wherein one contains floats while the other is an sptr type of gr_float_to_complex. Unfortunately, I always get an error message saying 'port number out of range.' What should I do? Sample Code: R

Re: [Discuss-gnuradio] Question regarding gr_interleave

2008-01-29 Thread Jonas
Thanks for your reply! I now found the error in my code regarding using gr_interleave. I had to pass two "sptr" types so that they can connect. So now I have another problem. Since my sources are all of "list" type that has been generated in Python without using any GNU Radio blocks; is there som

[Discuss-gnuradio] Question regarding gr_interleave

2008-01-29 Thread Jonas
Hi! Is it possible to interleave from three different sources by using gr_interleave? For example, will the following codes be possible using gr_interleave: src0 = src1 = src2 = interleave = gr.interleave(gr.sizeof_float) downstream = fg.connect(src0, (interleave, 0)) fg.connect(src1, (inte

Re: [Discuss-gnuradio] Problem: Reading a file

2008-01-28 Thread Jonas
Thanks for your help! (Yey!) But I have another problem. It doesn't read the file correctly. For your info, the file has been generated by MATLAB using the "-ascii" setting. Therefore the file contents look something like this. 1.7011476e+000 -1.6834541e+000 2.6309809e+000 2.1425840e+000 - 2.02

Re: [Discuss-gnuradio] Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition

2008-01-14 Thread Jonas
.. So what do I do? On 1/15/08, Jonas <[EMAIL PROTECTED]> wrote: > I still have the same problem. Actually, I am just including header > files of my own design. And as par your suggesstion, I decided to > include them in a file called divcom_shared_func.cc. > > In short divc

Re: [Discuss-gnuradio] Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition

2008-01-14 Thread Jonas
blocks: #include "others.cc" #include "elem_matrix.cc" using elem_matrix_jonas::elem_matrix; And the functions defined in these files are all repeatedly used. Unfortunately, I still get the same errors regarding multiple definitions. So what do I do now? =) On 1/15/08, Jon

Re: [Discuss-gnuradio] Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition

2008-01-14 Thread Jonas
Thanks! I'll try this. =) On 1/15/08, Eric Blossom <[EMAIL PROTECTED]> wrote: > On Mon, Jan 14, 2008 at 07:40:26PM +0800, Jonas wrote: > > I have a question. > > > > I am trying to make 4 signal processing blocks wherein some of the > > definitions f

[Discuss-gnuradio] Re: Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition

2008-01-14 Thread Jonas
In short, could I change the g++ compilation rules? How do I do this? Thanks! On Jan 14, 2008 7:40 PM, Jonas <[EMAIL PROTECTED]> wrote: > > > I have a question. > > I am trying to make 4 signal processing blocks wherein some of the > definitions for its computations wi

[Discuss-gnuradio] Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition

2008-01-14 Thread Jonas
I have a question. I am trying to make 4 signal processing blocks wherein some of the definitions for its computations will be REPEATEDLY defined. I really intend this. However, basing from the gr-howto module (of which I used the built-in dependencies there), the compiler ALWAYS COMPLAINS of a mu

[Discuss-gnuradio] URGENT ERROR: MAKE-ing GNU Radio

2008-01-10 Thread Jonas
These are the errors shown when MAKE-ing GNU Radio. Traceback (most recent call last): File "./qa_rational_resampler.py", line 24, in from gnuradio import blks File "/home/jpgacrama/INSTALLERS/GNU_RADIO/gnuradio-3.1.1 /gnuradio-core/src/python/gnuradio/blks/__init__.py", line 37, in ex

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
On Jan 11, 2008 11:46 AM, Jonas <[EMAIL PROTECTED]> wrote: > I still can't connect to SVN: > > These are the error messages. I think it has something to do with the fact > that I am connected via a proxy server. I think I'll just stick with the FTP > version hu

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
vn/gnuradio/trunk': could not connect to server ( http://gnuradio.org) On Jan 11, 2008 11:19 AM, Jonas <[EMAIL PROTECTED]> wrote: > I already uninstalled GNU Radio and attempted to download from SVN again. > Unfortunately, I get these error messages. > > svn: PROPFIND request

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
dio.org) So what do I do now? hehe =) On Jan 11, 2008 11:07 AM, Dan Halperin <[EMAIL PROTECTED]> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > You want to remove the installed files of GNU radio, you're going to > replace them from source. > &g

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
Will I not remove the installed files of GNU Radio? Do I just remove its directory? =) On Jan 11, 2008 10:50 AM, Dan Halperin <[EMAIL PROTECTED]> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Jonas wrote: > > Yes, I did that (with an added sudo, se

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
On Jan 11, 2008 10:45 AM, Jonas <[EMAIL PROTECTED]> wrote: > Yes, I did that (with an added sudo, see below). However, error messages > appear as shown below. > > sudo svn co http://gnuradio.org/svn/gnuradio/trunk gnuradio > svn: REPORT request failed on '/svn/!svn/vcc

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
I can't seem to connect to SVN, and the version of GNU Radio that I used is the one that can be obtained from the FTP site ( ftp://ftp.gnu.org/gnu/gnuradio/gnuradio-3.1.1.tar.gz). So, is there any other way out for me? Thanks! On Jan 11, 2008 10:19 AM, Jonas <[EMAIL PROTECTED]> wrote

Re: [Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
a fresh Ubuntu Gutsy system literally yesterday > using the exact same install procedure as the Wiki... Try the updated > version of the code as indicated on the UbuntuInstall page you referenced. > > - -Dan > > Jonas wrote: > > I decided to re-install GNU Radio after

[Discuss-gnuradio] URGENT (Requires immediate reply) PROBLEM: Can't make howto example.

2008-01-10 Thread Jonas
I decided to re-install GNU Radio after re-downloading the needed dependencies. Unfortunately, it didn't pass make check. Read my previous post having this subject "ERROR: GNU Radio doesn't pass Make check" for more information. Anyway, I decided to make gr-howto-write-a-block. Unfortunately, it

[Discuss-gnuradio] ERROR: GNU Radio does not pass make check

2008-01-10 Thread Jonas
GNU Radio does not pass Make check. Attached is the latest error generated upon running Make check-ing GNU Radio. Traceback (most recent call last): File "./qa_rational_resampler.py", line 24, in from gnuradio import blks File "/home/jpgacrama/INSTALLERS/GNU_RADIO/gnuradio-3.1.1 /gnuradio-cor

[Discuss-gnuradio] ERROR: MAKE-ing GNU Radio

2008-01-10 Thread Jonas
Attached is the latest error generated upon running Make check-ing GNU Radio. Traceback (most recent call last): File "./qa_rational_resampler.py", line 24, in from gnuradio import blks File "/home/jpgacrama/INSTALLERS/GNU_RADIO/gnuradio-3.1.1/gnuradio-core/src/python/gnuradio/blks/__in

Re: [Discuss-gnuradio] PROBLEM: Understanding gr_block's implementation

2008-01-06 Thread Jonas
already created functions that do just that. It's already incorporated into the main signal processing block that I am creating. But thanks for the suggestion! I'll see if I could use it. =) On Jan 7, 2008 11:40 AM, Eric Blossom <[EMAIL PROTECTED]> wrote: > On Mon, Jan

[Discuss-gnuradio] QUESTION: &input_items in gr_block

2008-01-06 Thread Jonas
To make things clearer regarding my previous post of a similar subject, I have included part of my code to this post: int divcom_rca_ff::general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_ite

Re: [Discuss-gnuradio] QUESTION: Number of inputs to general_work

2008-01-06 Thread Jonas Gacrama
eorge Nychis <[EMAIL PROTECTED]> wrote: > Read the 'how to write a block' document: > http://www.gnu.org/software/gnuradio/doc/howto-write-a-block.html > > It clearly explains that you can have an infinite number of input > streams and how to achieve it. > > - George &

[Discuss-gnuradio] PROBLEM: Understanding gr_block's implementation

2008-01-06 Thread Jonas Gacrama
These are some of the input parameters of gr_block::general_work() : input_items vector of pointers to the input items, one entry per input stream output_itemsvector of pointers to the output items, one entry per output stream Am I correct in understanding that the input_items CAN point

[Discuss-gnuradio] QUESTION: Number of inputs to general_work

2008-01-06 Thread Jonas Gacrama
I have a question regarding the argument &input_items in the function general_work from the library gr_block.h. Is my understanding correct that it only takes ONE STREAM of inputs at a time? I was hoping to implement a TWO CHANNEL input (two different sources and not the in-phase and quadrature ty

[Discuss-gnuradio] PROBLEM: Making a new signal processing block

2008-01-06 Thread Jonas Gacrama
have tried to make a new signal processing block which that is called divcom. It is a diversity combining technique used to mitigate the effects of multi-path fading. I am trying to implement this algorithm using GNU Radio. I made my signal processing block and I now wish to integrate this to the

[Discuss-gnuradio] PROBLEM: Making a new signal processing block

2008-01-06 Thread Jonas Gacrama
I have tried to make a new signal processing block which that is called divcom. It is a diversity combining technique used to mitigate the effects of multi-path fading. I am trying to implement this algorithm using GNU Radio. I made my signal processing block and I now wish to integrate this to th

[Discuss-gnuradio] PROBLEM: HOWTO.i EXAMPLE

2008-01-05 Thread Jonas Gacrama
I have a problem recompiling the howto example on "how to make a signal processing block" webpage. This is the website should you be interested: http://www.gnu.org/software/gnuradio/doc/howto-write-a-block.html I ran aclocal, autoconf, then auotomake. However, everytime I run automake the follow

[Discuss-gnuradio] PROBLEM: HOW TO WRITE A SIGNAL PROCESSING BLOCK

2008-01-02 Thread Jonas Gacrama
I have read this website that teaches us how to write our own signal processing block. WEBSITE: http://www.gnu.org/software/gnuradio/doc/howto-write-a-block.html I tried using the autotools like autoconf, automake and aclocal since I would like to "rewrite" the configure (the executable and not

[Discuss-gnuradio] USRP: PROBLEM with FM RECEPTION

2007-12-16 Thread Jonas Gacrama
I have another problem regarding the USRP. I can't seem to receive any FM signal. I have tried using the usrp_wfm_rcv.py but all I receive is NOISE... I used an SMA cable as my antenna receiver. Could this cause my problem? Or is the problem with the software? Or is it in the hardware? Thanks! ___

[Discuss-gnuradio] PROBLEMS: INSTALLING GNU Radio

2007-12-14 Thread Jonas Gacrama
I have this persistent problem when installing GNU Radio on my computer. Below is my computer's description and the nature of the problem. NATURE OF MY PC: Linux jpgacrama-laptop 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686 GNU/Linux I'm currently using Ubuntu Gutsy (7.10) as my Ope

[Discuss-gnuradio] Re: Capture File format

2007-05-08 Thread Jonas Hodel
Hello. I have an array in MATLAB that is the IQ data in complex form of a capture from my hardware. I wish to now feed this to GNURadio. What format do I export/save this array to file? Are there any example .m files floating around for this task? There are some utility .m files locate

[Discuss-gnuradio] Re: After calling stop(), USRP still seems active.

2007-05-06 Thread Jonas
? As fas as I can tell it appears as though the flowgraph does end when I call stop, so I think the problem is at the USRP level. Thanks, Jonas === This email, including any attachments, is only for the intended addressee. I

Re: [Discuss-gnuradio] After calling stop(), USRP still seems active.

2007-05-02 Thread Jonas Hodel
Eric Blossom wrote: On Mon, Apr 30, 2007 at 02:17:38PM +1200, Jonas wrote: Hello, I have run into a problem using flow_graph stop(). To test the problem, I wrote a quick test script that simply sinks a tone to the USRP (test_tone.py). Hi Jonas, Can you send me the complete script

Re: [Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 53, Issue 53

2007-04-29 Thread Jonas
Apologies for previous subject line! That should have been Re: [Discuss-gnuradio] GNU Radio TCP and MATLAB. === This email, including any attachments, is only for the intended addressee. It is subject to copyright, is confident

[Discuss-gnuradio] After calling stop(), USRP still seems active.

2007-04-29 Thread Jonas
thing, right? Has anyone else encountered similar problems when using flowgraph stop() in conjunction with the USRP? (I am running the latest stable release, 3.0.3**, on Ubuntu). Thanks, Jonas === This email, including any a

[Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 53, Issue 53

2007-04-29 Thread Jonas
adio file source. I wouldn't be surprised if the USRP overflows that you are seeing are attributed to Matlab's inability to keep up (assuming you are going from the USRP to Matlab). Jonas === This email, including any a

Re: [Discuss-gnuradio] MATLAB/Windows and the USRP

2007-04-19 Thread Jonas Hodel
reporting) is not required. I think though, that what you want is Windows/Matlab/GNU Radio/USRP on the same machine. (P.S, sorry if I have screwed up the "reply" process, not entirely sure if I'm doing it right) Jonas =

Re: [Discuss-gnuradio] Multiple C files required by single C++block.Howto build?

2006-11-29 Thread Jonas Hodel
Fantastic, works like a charm! I thought the problem was in the way I was using SWIG but the culprit was the C/C++ linkage. Now I can try it with my original files. Thanks for all the help! Jonas Jan Schiefer wrote: Finally: “make clean”, “make” and “make check”. This results in

Re: [Discuss-gnuradio] Multiple C files required by single C++ block.How to build?

2006-11-29 Thread Jonas Hodel
cated in the constructor howto_square2_ff (). I added test.c to the “_howto_la_SOURCES” entry in “src/lib/Makefile.am”. Finally: “make clean”, “make” and “make check”. This results in: ImportError: /home/jonas/gnuradio/gr-howto-write-a-block-3.0.2/src/lib/.libs/_howto.so: undefined symbol: _Z10jonas_testv

[Discuss-gnuradio] Multiple C files required by single C++ block. How to build?

2006-11-28 Thread Jonas Hodel
this makes sense. Thanks a lot, Jonas === This email, including any attachments, is only for the intended addressee. It is subject to copyright, is confidential and may be the subject of legal or other privilege, none of which is

[Discuss-gnuradio] RFX-400 RF sensitivity

2006-11-24 Thread Jonas Hodel
motherboard is significantly reducing the sensitivity of the daughter-board? Thanks, Jonas === This email, including any attachments, is only for the intended addressee. It is subject to copyright, is confidential and may be the