Hello,
How can I display the data contained inside a vector_sink on the
terminal? I am doing some tests now...
Thanks
Julian De Lima
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Thanks Chuck!
That works nicely. Much appreciated.
eric
Eric H. Matlis, Ph.D.
Aerospace Mechanical Engineering Dept.
120 Hessert Center for Aerospace Research
University of Notre Dame
Notre Dame, IN 46556-5684
Phone: (574) 631-6054
Fax: (574) 631-8355
Oh, and what is this line for:
self.gain_control.set_k(10**(self.gain/10))
I commented it out and didn't notice any change in behavior...
By the way- have you had issues with cpuspeed? Normally on my system the
processor is clocked down from 2.2 GHz to 1 GHz. I have another gnuradio
I am quite interested in the ATSC project due to some previous HDTV RD experience.
I am not quite sure about the current status of this project.
According to my understanding, ATSC has a very high throughput requirement with a symbol rate=10.72M / sec
Considering this high symbol rate and the
I do have 5 kHz sidebands, and this is verified by the location of the
peaks in the first two fft graphs. It's just the third graph which showed
an aliased signal. Could the filter taps be incorrect?
eric
On Thu, 26 Oct 2006, Matt Ettus wrote:
Eric Hill Matlis wrote:
Hello-
I am
On Sat, 2006-10-28 at 01:19 +1000, Kyle Zhou wrote:
I am quite interested in the ATSC project due to some previous HDTV
RD experience.
I am not quite sure about the current status of this project.
According to my understanding, ATSC has a very high throughput
requirement with a symbol
Has anyone benchmarked the ATSC encode function? Can this be done in
real time? Decode is always harder to do than encode :)
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Charles Swiger
Sent: Friday, October 27, 2006 10:56 AM
To: Kyle Zhou
Cc:
Hi -
I'm bringing up a board
http://recycle.lbl.gov/llrf4/
with a hardware and software USB stack based on and (for this purpose)
equivalent to the GNU Radio design, and measured its USB data transfer
capabilities more carefully than I have done before. There is a
distant possibility someone
Marcus Leech wrote:
In order to do this, I need to know which samples correspond to sky
and which samples correspond to
calibration source as I'm processing them. One thought I had was to
synthesize a pair of identical channels,
one called Sky and the other called Calibration, and have
Marcus Leech wrote:
How can I make sure that the chanels are properly synchronized with the
hardware state of the switch?
If you used a double-pole relay (or solid-state equivalent) you could
use the extra pole to signal back to an I/O pin what state the switch
was in. That would allow you
Matt Ettus wrote:
Dicke switches have typically used rates in the low hundreds of Hz, with
a 50% duty cycle. My understanding is that is not necessary, and was
only done to make things easier with the electronics of the time. I
think I would switch at a much lower rate, 1 Hz or less, and
Matt Ettus wrote:
Dicke switches have typically used rates in the low hundreds of Hz, with
a 50% duty cycle. My understanding is that is not necessary, and was
only done to make things easier with the electronics of the time. I
think I would switch at a much lower rate, 1 Hz or less, and
On Fri, Oct 27, 2006 at 04:29:33PM +0200, De Lima Julian wrote:
Hello,
How can I display the data contained inside a vector_sink on the
terminal? I am doing some tests now...
Thanks
Julian De Lima
There are many examples of its use in
gnuradio-core/src/python/gnuradio/gr/qa_*.py
Note
ldoolitt == ldoolitt [EMAIL PROTECTED] writes:
ldoolitt Hi - I'm bringing up a board http://recycle.lbl.gov/llrf4/
ldoolitt with a hardware and software USB stack based on and (for this
...
Some hints for your part list:
- consider the Spartan 3E family versus Spartan3. 3E is often
Uwe -
On Fri, Oct 27, 2006 at 08:35:22PM +0200, Uwe Bonnes wrote:
ldoolitt == ldoolitt [EMAIL PROTECTED] writes:
ldoolitt Hi - I'm bringing up a board http://recycle.lbl.gov/llrf4/
ldoolitt with a hardware and software USB stack based on and (for this
Some hints for your part list:
On Fri, Oct 27, 2006 at 09:23:19PM +0200, De Lima Julian wrote:
So I tested but I have another question.
I read that the data through the USB cable (from computer to USRP) are in the
format I/Q complex. (Dawei Shen tutorial)
My interpolation factor is 512, so the sample rate is 128M/512 =
On Fri, 2006-10-27 at 11:11 -0500, Meiners, Jason wrote:
Has anyone benchmarked the ATSC encode function? Can this be done in
real time? Decode is always harder to do than encode :)
Actually, an HDTV transmitter function might fulfill a niche that
couldn't be easily implemented otherwise. A
Kyle Jamieson wrote:
After upgrading to FC6, usrp/host/lib/fusb_linux.cc fails to compile
(can't find linux/compiler.h). Turns out for me, that include file
isn't needed at all (trivial patch attached). I wonder if I've broken
something by removing it, or if other systems need it?
I get the
On Fri, 2006-10-27 at 19:47 -0400, Charles Swiger wrote:
On Fri, 2006-10-27 at 11:11 -0500, Meiners, Jason wrote:
Has anyone benchmarked the ATSC encode function? Can this be done in
real time? Decode is always harder to do than encode :)
Actually, an HDTV transmitter function might
Will an RFX400 pass a 6MHz wide signal? (AD834X mixer)
Easily
Matt
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I think the limitation is on the 8051 end. One 512-byte packet takes
8.53 microseconds to cross the USB channel, and the 35.7 MByte/sec
sustained rate implies the 8051 sets up the next packet in only 5.81
microseconds. I don't think there is any pipelining at this level.
You're probably
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