I tried on the USRP2 with GNU Radio 3.2.2.
Seems not working.
Is the 8 bit sample ready? or it is just my mistake somewhere?
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hat is basically what this program does.
Do you think the CPU usage is normal?
I also notice that the block timeout is 100ms. Is there a reason for
doing this?
--- On Sun, 2/27/11, Tom Rondeau wrote:
From: Tom Rondeau
Subject: Re: High CPU usage
To: "peng senl"
Cc: dis
> The legacy driver or UHD? Are you using 32-bit complex
> floats or
> 16-bit complex shorts for you data?
In my case, I am using GNU Radio with USRP2 in C++.
The CPU usage for 5MHz is 30% with 3.2 G duo core CPU and around 70% for 20MHz
sample frequency.
> I'd be very interested to hear your
Hello,
I am using a C++ interface with the USRP2 board. I found the CPU usage is about
30% for dual core 3.2G CPU with 5M sample frequency while about 60% usage for
20M sample frequency. I am just keep running the rx_sample() function without
any other operation. Is this CPU usage normal? I t
bject: Re: [Discuss-gnuradio] Question about the HBF in the DDC
To: "peng senl"
Cc: discuss-gnuradio@gnu.org
Date: Tuesday, January 4, 2011, 8:31 PM
On Tue, Jan 4, 2011 at 1:13 PM, peng senl wrote:
Hello,
I get a question about the half band
fi
p { margin-bottom: 0.08in; }
Hello,
I get a question about the half band
filter in the DDC. I found that the LO (local oscillator) in my
daughter board is set at 0.2MHz less than the carrier center
frequency, which means that the IF of the output signal is
p { margin-bottom: 0.08in; }
Hi all,
I need to change some parts of the code
in the UHD driver. I am wondering is it possible for me to debug the
UHD driver code to find out what is wrong in my code. The problem
for me is that I don't know how to change t
p { margin-bottom: 0.08in; }
First, I am not quite sure if it is a
good idea to use UHD with USRP2 right now.
I have the UHD driver installed and the
USRP2 board detected.
What I need to do first is to write a
basic program to collect some data from the
Hi all,
My incoming signal has a bandwidth of 1MHz
while the DBSRX daughter board that I am using has a low pass filter bandwidth
of 60MHz. Is it possible for me to adjust the low pass filter bandwidth in
USRP2?
Thanks!
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Hi all,
I got some periodic phase error in the
output even with external atomic clock connected with USRP2 mother board. I
tried with GPS signals and signals from the Agilent function generator. The
error can be more than 15 degree. Does anyone know what may be the reason?
Thanks
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