im not a programmer and im even new to linux .
i used uhd_fft.py to detect specific center frequencies , i succeeded at
that and also detect FM/TV.
now i want to detect band of frequencies (eg. from feq MHz to freq MHz) i
know i can use usrp_spectrum_sense.py but i want to get this data i do not
k
i am new to this and don't have enough experience in programing?
How to get output data from usrp_spectrum_sense.py and save it to file ?
--
Abdelrahman Ahmed
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last week every thing was fine until today when i want to sense the
spectrum i faced this problem
>>./usrp_spectrum_sense.py 1901M 1983M > file.tr
Warning: this is known to have issues on some machines+Python version
combinations to seg fault due to the callback in bin_statitics. If you
9, 2012, Tom Rondeau wrote:
>
>> On Sun, Apr 8, 2012 at 9:59 PM, Abdelrahman Ahmed
>> wrote:
>> > last week every thing was fine until today when i want to sense the
>> >spectrum i faced this problem
>> >>>./usrp_spectrum_sense.py 1901M 1983M
last week every thing was fine until today when i want to sense the
spectrum i faced this problem
>>./usrp_spectrum_sense.py 1901M 1983M > file.tr
Warning: this is known to have issues on some machines+Python version
combinations to seg fault due to the callback in bin_statitics. If you
hii,
i installed gnuradio from script , FM/AM examples worked very well and
other examples also, except usrp_fft.py
it gives me that error after i wrote
usrp_fft.py/.<<
ImportError: cannot import name usrp
but when i wrote
uhd_find_devices<<
linux; GNU C++ version 4.6.1; Boost_104601; UHD_003.004.
2012/3/23 George Nychis
> Finding white space in the spectrum can be done by looking at power across
> the bins you are monitoring. I have done White space research with the
> USRP2 and the WBX, and they worked out great for me. So you're on the
> right track!
>
> Take a look at this work, Sect
2012/3/22, Abdelrahman Ahmed :
> i'm not using VMs at all i just choose install inside windows option
> from ubuntu installation menu and i need to reboot to enter ubuntu os
> so i think it is not VM
>
> 2012/3/22, Jonathan Fox <31...@cardinalmail.cua.edu>:
>> On 3
gt; On Thu, 22 Mar 2012 15:38:18 +0200, Abdelrahman Ahmed wrote:
>>
>>>
>> frist of all i have two laptops with ubuntu 11.10 x32bit installed
>> inside windows 7 professional x64, i used this link in synaptic to
>> install gnuradio packages:
>>>
>>> 11
> problem 3
>
> - when i write usrp_probe i can not get any info about my usrp1.
> - when i write uhd_find_devices it told me that:
>
> Could not locate USRP1 firmware
>
> Please install the images package
>
> so from these problems some programs can ident
2012/3/19 Alexander List
> **
> On 01/-9/-28163 03:59 AM, Abdelrahman Ahmed wrote:
>
> i'm new to this ,i need your help on how to start detecting spectrum in TV
> band and holes in this spectrum.
>
>
> Ahmed,
>
> though others will probable be able to give
2012/3/18 Tom Rondeau
> On Sun, Mar 18, 2012 at 12:13 AM, Abdelrahman Ahmed wrote:
>
>> hi
>> i'm new to this ,i need your help on how to start detecting spectrum in
>> TV band and holes in this spectrum.
>>
>> The equipments i have
>> ===
buntu 10.04 with gnuradio and i tested it successfully.
is there any thing missing?
==
Abdelrahman Ahmed
Communication and electronics Department
final semester
Arab Academy for science and technology and maritime transport
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