On Sep 7, 2008, at 6:40 PM, Eric Blossom wrote:
On Sun, Sep 07, 2008 at 10:16:04AM -0400, Philip M. Lanese wrote:
ChoJin,
Commercial 13.56 MHz RFID systems don't normally use a receiver in
the
traditional sense to recover the tag data.
[...]
Here's a link to the "O
On Sep 7, 2008, at 6:58 AM, Michael Ossmann wrote:
On Sun, Sep 07, 2008 at 02:02:35AM +0200, ChoJin wrote:
I tried a very simple test:
- two loops of wire, one for the LFTX (A slot, antenna TXA) and one
for
the LFRX (slot B, antenna RXB)
- generating the sinus wave using usrp_siggen.py
using the
loop of
wires too, not a real antenna).
Anyway, any help would be welcomed,
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Best Regards,
ChoJin
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t; cannot hear anything on the radio. Could you please give me some
> guidance on that.
If you want to receive the audio on the FM radio, you probably should
transmit in wfm, not using an gmsk modulation (which is a digital
transmission). The blks2/wfm_tx block should do.
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Best Regards,
Cho
ous.
You might be re-discovering the basis of the Van Eck attack but on
the radio receptor itself. That would be quite funny/ironical IMHO ;)
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ChoJin
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irdes.low_pass instead of optfir.low_pass
and why using gr.freq_xlating_fir_filter_ccf instead of
gr.fir_filter_ccf
what difference does it make in these two examples?
Could someone enlighten me?
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ChoJin
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Disc
tiple
other blocks on its outputs)
Thanks for your help
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ChoJin
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On Thu, 10 Jan 2008 17:27:25 +0100, ChoJin wrote:
[...]
> Next, I'm trying to build a double slider for the frequency. One slider
> to set a rough frequency, and another slider to fine tune it more
> precisely. Kind of two synchronized sliders which get both updated (as
> we
case). Or maybe there is an easier
solution?
I think that's pretty much it for my first day of experiment,
Thanks for any pointers you could provide,
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ChoJin
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On Thu, 10 Jan 2008 01:32:33 +0100, ChoJin wrote:
> On Thu, 10 Jan 2008 01:23:25 +0100, ChoJin wrote:
>
> [...]
>
>> And finally now, I'm hitting this problem:
>> checking usb.h usability... yes
>> checking usb.h presence... yes
>> checking for usb.h.
On Thu, 10 Jan 2008 01:23:25 +0100, ChoJin wrote:
[...]
> And finally now, I'm hitting this problem:
> checking usb.h usability... yes
> checking usb.h presence... yes
> checking for usb.h... yes
> checking for library containing usb_bulk_write... no
> USRP requires lib
On Wed, 9 Jan 2008 16:07:37 -0500, Michael Dickens wrote:
> Replying back to the list, with permission:
>
> On Jan 9, 2008, at 12:26 PM, ChoJin wrote:
>> If you have any general recommandation about gnuradio on leopard,
>> don't hesitate ;)
>
>
> ChoJin - The
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