e of delay at 10 Msps. Try the following changes.
1) Change the number of points in the QT GUI Time sink to 32768.
2) In the QT GUI range block, change the Stop value to 1 and the Step value
to 100.
Ron
On 05/30/2018 07:39 PM, Yeo Jin Kuang Alvin (IA) wrote:
Hi Ron,
Thanks! It works for me t
t: Re: [Discuss-gnuradio] Variable in Delay block
It works here. Here's a small flow graph that I tested the delay block
operation with.
http://www.w6rz.net/delay.grc
Ron
On 05/28/2018 02:33 AM, Yeo Jin Kuang Alvin (IA) wrote:
Hi Ron,
That means the Delay block is able to change as well, but wh
Noted thank you everyone.
From: Neel Pandeya [neel.pand...@ettus.com]
Sent: 30 May 2018 07:52
To: Yeo Jin Kuang Alvin (IA)
Cc: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Underflow and Overflow
Hello Alvin:
I will emphasize what Derek Kozel
28/2018 01:46 AM, Yeo Jin Kuang Alvin (IA) wrote:
Hi all,
Is it possible for me to create a QT GUI Range and put the ID in the Delay of
the delay block? I tried and the graph doesn't change.
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Hi all,
Is it possible for me to create a QT GUI Range and put the ID in the Delay of
the delay block? I tried and the graph doesn't change.
I also tried generating the python file and created a QT GUI Entry, use the ID
in the QT GUI Entry (delay_amt) and edited the code
def set_delay_amt(self
Hi all,
How do I install QWT to a later version using Ubuntu? I am using 5.2.3 now but
need a later version of 6 or later.
Thank you in advanced!
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Hi,
Yup.
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Friday, 25 May 2018 10:53 PM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Changing delay block value over time
Hi!
So, I guess, full sample delay is far too
advanced!
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Thursday, 24 May 2018 7:15 PM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Changing delay block value over time
I'd recommend that, yes :) But then again
Hi all,
Is there a way to implement control of delays over time? Type out own code?
Thank you in advanced!
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Thursday, 24 May 2018 5:58 PM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
Subject: Re
Hi all,
Am I able to change the value of the delay block automatically in GRC over time
when the flowgraph is running?
Thank you in advanced!
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I on the repeat, signal starts transmitting out. Why is this so?
Thank you in advanced!
From: Kevin McQuiggin [mailto:mcqui...@me.com]
Sent: Wednesday, 23 May 2018 11:35 AM
To: Yeo Jin Kuang Alvin (IA)
Cc: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Underflow and Overflow
Hi Alvin
transceiver should be able
to receive this signal and re-transmit it out.
Thank you in advanced!
From: Kevin McQuiggin [mailto:mcqui...@me.com]
Sent: Wednesday, 23 May 2018 11:35 AM
To: Yeo Jin Kuang Alvin (IA)
Cc: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Underflow and Overflow
Hi
...@ripnet.com]
Sent: Tuesday, 22 May 2018 11:32 AM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] GNURadio Companion LPF
On 05/21/2018 11:28 PM, Yeo Jin Kuang Alvin (IA) wrote:
Hi all,
Thank you! I've noticed my mistake.
Now I've tried both 5000 and 100e3,
Hi Marcus,
Noted with thanks!
Are there any solutions to these to get the LPF working and solve these "U O L"
issues?
Thank you in advanced!
From: Marcus D. Leech [mailto:mle...@ripnet.com]
Sent: Tuesday, 22 May 2018 11:32 AM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
S
Hi all,
Thank you! I've noticed my mistake.
Now I've tried both 5000 and 100e3, instead of overflowing "O", I see lots of
"L" late packets.
Thank you in advanced!
From: Marcus D. Leech [mailto:mle...@ripnet.com]
Sent: Tuesday, 22 May 2018 11:19 AM
To: Yeo
advanced!
From: Discuss-gnuradio
[mailto:discuss-gnuradio-bounces+yjinkuan=dso.org...@gnu.org] On Behalf Of
Marcus D. Leech
Sent: Tuesday, 22 May 2018 11:02 AM
To: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] GNURadio Companion LPF
On 05/21/2018 10:54 PM, Yeo Jin Kuang Alvin (IA) wrote
Hi all,
Apparently, I tried connecting the USRP Source to a Low Pass Filter and to a
File Sink, I get overflows "OO". However, when I removed the LPF, there is
no overflow. The question is, why is this happening? Is the Low Pass Filter in
GRC done in the FPGA or in the computer itself? I am
Hi all,
I would like to ask about the VCO in GRC. What's the function of the
sensitivity? If I connect a signal source (Saw Tooth) into VCO, and I want a
bandwidth of 2MHz. I only can achieve it by setting the Sentivity = 2e6
*(2*3.1416) . Can anyone explain the theory behind this?
Thank you!
connected to the command of the usrp_sink? Kind of
lost and not sure how to start, appreciate if anyone could help me out.
Thank you in advanced!
From: Derek Kozel [mailto:derek.ko...@ettus.com]
Sent: Tuesday, 15 May 2018 7:48 PM
To: Yeo Jin Kuang Alvin (IA)
Cc: br...@brianmwaters.net; discuss
I
can use?
Thank you in advanced!
-Original Message-
From: br...@brianmwaters.net [mailto:br...@brianmwaters.net]
Sent: Tuesday, 15 May 2018 12:56 PM
To: Yeo Jin Kuang Alvin (IA)
Cc: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] TX time control
On Mon, May 14, 2018 at 08:13:13AM
Hi all,
Does this apply to the B210 too?
That is correct, handling data at a rate much higher than 8 MS/s will require
moving DSP into the FPGA. UHD comes with a variety of example RFNoC blocks. The
fosphor block for instance produces a real time spectrum analyzer plot of the
full 61.44 MS/s o
Hi,
I would like to transmit for an amount of samples/seconds, and stop
transmitting for another few seconds and then transmit again. Example, transmit
2s, stop for 3s and then transmit for 2s and rinse and repeat.
How am I able to achieve this in GRC? Are there any examples? I've heard of
tx_
[mailto:brent.staple...@ettus.com]
Sent: Saturday, 12 May 2018 12:59 AM
To: Yeo Jin Kuang Alvin (IA)
Cc: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Rx to tx GNU Radio
Hi Yeo,
Could you provide more details? Providing a GRC file would be helpful. What
kind of USRP are you using? What physical
Hi all,
I've seen some examples and managed to do a tx and rx loopback to file using
both C++ and GNU Radio. However, now I would like to receive and transmit the
same signal out. I tried connecting USRP Source block to USRP Sink, and I see
lots of "LL" which is late packets. Anyone has any
you in advanced!
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Friday, 11 May 2018 3:05 PM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] Tx Burst for Chirp signals
Could you be a little more specific, please, than
result, I have to
send a pulse and stop for a moment while it is receiving and then transmit
again.
Thank you in advanced!
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Thursday, 10 May 2018 9:09 PM
To: Yeo Jin Kuang Alvin (IA); discuss-gnuradio@gnu.org
ot;packet length" samples?
Also, make sure that one packet really contains one chirp. In your
previous flow graph, that wasn't the case, so make sure the packet
length corresponds to the number of samples per chirp.
Best regards,
Marcus
On Thu, 2018-05-10 at 09:20 +, Yeo Jin Kuang A
seems to be happening. Am I doing something wrong and is there a better way
for burst transmission?
Does anyone know this?
Thanks in advanced!
-Original Message-
From: Müller, Marcus (CEL) [mailto:muel...@kit.edu]
Sent: Thursday, 10 May 2018 5:06 PM
To: Yeo Jin Kuang Alvin (IA
Hi all,
Theoretically, in frequency domain, the spectrum for SQUARE wave should be a
SINC and for the spectrum of RAMP wave should be decreasing with every odd
harmonics. A question that I want to ask is, will I get to see these frequency
spectrum in the Spectrum Analyzer after being transmitt
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