> you should provide some more details. Where cant you find it? In GRC? Do
> you have an error message?
>
> Best regards,
> Fabian
>
>> Am 07.12.20 um 19:08 schrieb Tellrell White:
>> Hello
>> I cant seem to find the qt gui time sink in version 3.7.11. I downlo
Hello
I cant seem to find the qt gui time sink in version 3.7.11. I downloaded the
binary version available for centos.
Tellrell
communications. I think this is a pretty interesting topic, however, I'm
having some difficulty coming up with a unique topic.
Are there any interesting topics you guys have come across?
Tellrell White
nd "sudo pip install scipy Zmq"
Neither one of these commands worked in my case. Any suggestions?
Tellrell White
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> you use an SDR with an uncompensated DC offset, you can also try offset
> tuning.
>
> If that also doesn't work, please provide more information.
>
> Best,
> Bastian
>
>
> On 8/15/19 9:48 AM, Tellrell White wrote:
> > Hello
> > I'm using the
Hello
I'm using the GR-IEEE 802.15.4 OQPSK Transceiver and I'm trying to receive
a packet from a XBee ZigBee module and then import that packet to
wireshark. However, the file sink is always empty after running the
flowgraph. I have the rime stack, socket pdu, message strobe, and packet
pad all
Okay. Let me make sure i’m clear on this.
My flow graph looks like the following :
Random source -> packed to unpacked -> chunks to symbols
The source and packed to unpacked are set to byte and the packed to unpacked is
outputting 4 bits per chunks so am I setting the dimension of the
Hello All
I have a flow graph in which I'm trying to map 4 bit symbols to 32 bit chip
sequences similar to what was done in GR- IEEE 802.15.4. However, I'm
unsure as to how do this. Is there a way this can be done using an existing
block such as the chunks to symbols block for instance? Attached
for detailed papers.
>
> Ron
>
>
>> On 03/31/2018 10:01 PM, Tellrell White wrote:
>> Hello
>> Does anyone have any knowledge on the actual FFT algorithm used in the FFT
>> block in GNU Radio?
>>
>> Tellrell White
>>
>
>
>
Hello
Does anyone have any knowledge on the actual FFT algorithm used in the FFT
block in GNU Radio?
Tellrell White
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nt machine.
Regards
Tellrell White
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running windows or using another machine and dual booting
and installing linux, GNU Radio, and UHD for this application?
Regards
Tellrell White
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normalized" values tend to range from below
zero to in the hundreds depending on the "vec_length" data. Not sure if i'm
doing something incorrect here.
Tellrell
On Thu, Feb 15, 2018 at 3:36 PM, Tellrell White <rell...@gmail.com> wrote:
>
> 1) Except the initial setting
th the number of items to be consumed as
> well as were generated. Currently your block isn't generating items, so if
> you want to use this inheritance with your block as-is you'll want to call
> "consume_each" with the correct number of items & then return 0.
>
> Hope thi
e GRC
> Python-block infrastructure could easily be constructed, I'm sure to do
> this sort of thing.
>
>
>
>> On Feb 13, 2018, at 4:39 PM, Tellrell White <rell...@gmail.com> wrote:
>>>
>>> Updates:
>>> @ Michael I followed your advice and "vector
all blocks are updated with it.
> Hope this is useful. - MLD
> >
> > On Mon, Feb 12, 2018, at 10:17 AM, Tellrell White wrote:
> > > Thanks for the response. That's exactly what I'm trying to
> accomplish. You mention the "complex to ||^2 can be vectorized. My
> q
Hello All
I have a custom sink block that I want to be able to a vector input of
length 1024, however, I can't seem to change the data type of the block.
The code I'm using is the following in which the data type is float and
I've made the vector length equal to 1024, a parameter. The flow graph
of length N (same-same as the FFT and
> ||^2) & you're good to go. Maybe I'm missing something? Hope this is
> useful. - MLD
>
> On Sun, Feb 11, 2018, at 9:00 PM, Tellrell White wrote:
>
> I've created a customized block that takes in a number of input items and
> once that numbe
so printed during runtime. Any suggestions are welcome. Both the
simulation flow graph and the flow graph used over the air are attached.
Tellrell White
ener_dtec_sim1.grc
Description: Binary data
energy_detector.grc
Description: Binary data
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Hello Guys
I'm creating a customized block in the GNU Radio framework using python
that takes in a number of input items and once that number of input items
surpasses a certain number, 1024 of the input items are taken and stored
into an array, and then those items are converted to dB and lastly
should work for you. I guess there's a numpy function that will run the
>> log function on a list more efficiently.
>>
>>
>>
>> On Tue, Jan 2, 2018, 20:10 Tellrell White <rell...@gmail.com> wrote:
>>
>>> Hello Guys
>>>
>>> I'm creating a
Hello Guys
I'm creating a customized block in the GNU Radio framework using python
that takes in a number of input items and once that number of input items
surpasses a certain number, 1024 of the input items are taken and stored
into an array, and then those items are converted to dB and lastly
uel...@ettus.com>
wrote:
> Have you modified the GRC .xml file accordingly?
>
> On 01.11.2017 16:29, Tellrell White wrote:
>
> Thanks for the response. In the code below, I'm matching the output type
> of the divide block which is float and also the length which I'm setting
>
.@andrejro.de> wrote:
> Hir ,
>
> On Tue, Oct 31, 2017 at 11:03:57PM -0400, Tellrell White wrote:
> > Hello All
> > I have a question concerning data types. I'm creating a sink block in
> python that takes float values from a "divide" block that has a vector
>
Hello All
I have a question concerning data types. I'm creating a sink block in python
that takes float values from a "divide" block that has a vector length of 1024.
The output port on the divide block is red. How can set the input of my block
to have a red input port?
Regards
Tellrell
Sent
Hello All
Does anyone have any experience with implementing an averaged periodogram in
grc?? Would this be something that could be done with pre-existing blocks or
would a custom block be better?
Regards
Tellrell
Sent from my iPhone
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on the feasibility of this
approach. In the future, other approaches or methods will be considered
also.
Tellrell
On Thu, Sep 21, 2017 at 8:40 PM, Tellrell White <rell...@gmail.com> wrote:
> Thanks Marcus
>
> Sorry for the confusing explanation, but yes, I'm trying to find the
&
You might have to add "vector" modes to some
> blocks to do the other operations you want.
>
> On Wed, Sep 20, 2017 at 6:31 PM, Tellrell White <t_whit...@yahoo.com>
> wrote:
>
>> Hello Marcus
>> You are absolutely correct. Is there an existing sink
e? You send in completely
different signals!
Best regards, Marcus
On 09/20/2017 09:27 AM, Tellrell White wrote:
Hello All
I'm working on a project involving signal detection of an IEEE 802.15.4
waveform using energy detection.
The algorithm for energy detection goes as f
g a new
> post. New to this.
>
>
> Original message/context:
>
> ======
>
> *From*: Tellrell White
>
> I'm currently in the process of creating a block in python that does two
> things; takes in? a certain number of input items, and once it reaches a
> certain
should be handled in the forecast
function but I'm not sure if I'm going about doing this correctly.
I've attached my flow graph and the code for this "gain setter" block. Any
feedback would be great.
Tellrell
On Mon, Jul 17, 2017 at 1:07 PM, Tellrell White <t_whit...@yahoo.com>
Hello GuysI have a block that I'm developing using python that will ultimately
take in a certain amount of items and as a result, do two things: send a
message to the sink block and also output a stream of 12 samples.
My question is how to exactly account for this within the forecast function??
Hello Guys
I'm currently in the process of creating a block in python that does two
things; takes in a certain number of input items, and once it reaches a
certain number of input items 2) it sends a command to the UHD USRP sink block
to adjust its gain by a certain amount.
I have a few
Hello
I want to know is there a way or even a block that already exists that will
allow you to send a message(pdu) after receiving a certain amount of input
items?? Any info would be great.
Thanks
Tellrell
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Hello GuysI want to have the uhd sink block in my flow graph automatically
cycle through a number of transmit gain values. I'm thinking of developing two
blocks, one which will take in a certain number of items and once it reaches a
certain value a message will be sent to another block which
Well, from looking at doxygen I see the appropriate syntax and key needed to do
this. I guess the question is would I have to modify the .py file or is there a
block I could modify to accomplish this?
Tellrell White
On Friday, June 23, 2017 8:13 AM, Tellrell White <t_whit...@yahoo.
to_msg to translate the variable to a message that you send
to that block. Best regards, Marcus
On 06/21/2017 05:26 PM, Tellrell White wrote:
Hello Guys
I have a flowgraph attached where I'm trying to generate BER curves for
different transmit gain values. Right now, I have gui slider that all
the python script
for the flowgraph. If so, I would appreciate any ideas or examples on how
to do this.
Thanks
Tellrell White
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I'm running the live_signal_detection. I replaced the rtlsdr_source block with
a signal source block. When I run the flowgraph I get
"attributerror: Module object has no attribute 'signal_detector_cvf"
I tried deleting and reinstalling all the dependencies before installing
qtgui_sink_vf" not found when loading category tree
Not sure what possibly went wrong. Any ideas??
Tellrell White
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tensorflow that it may have
changed my python install and possibly caused this error. Hopefully someone
can provide some feedback.
Thanks
Tellrell White
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, 2017 7:33 AM, Bastian Bloessl
<bloe...@ccs-labs.org> wrote:
On 01/25/2017 11:19 AM, Tellrell White wrote:
> I'm looking at energy detection of an IEEE 802.15.4 signal. I was hoping
> to be able to utilize the development done minus the higher layer
> functionality and use the
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