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Re : Re : [Discuss-gnuradio] Radar receiver

From: Naoufel Amri
Subject: Re : Re : [Discuss-gnuradio] Radar receiver
Date: Thu, 12 Jun 2008 06:40:53 -0700 (PDT)

Thank you very much for all your explanations. I could store the echoes in a file but I can't open it  to treat  datas that it contains Could you tell me  :

whats the file contain (I ? ,Q, ?....)
What's size of echos ?
The echoes store are  after or before  pulse compress process ?
we use big or short endian ?


----- Message d'origine ----
De : Naoufel Amri <address@hidden>
À : Johnathan Corgan <address@hidden>; address@hidden
Envoyé le : Samedi, 7 Juin 2008, 11h54mn 36s
Objet : Re : [Discuss-gnuradio] Radar receiver

Thank you  Johnathan for your help ;
But where the echo returns complex are stored ? how can I get them back?
(University Paris IX
UFR Télécoms)
----- Message d'origine ----
De : Johnathan Corgan <address@hidden>
À : Naoufel Amri <address@hidden>
Cc : address@hidden
Envoyé le : Samedi, 7 Juin 2008, 2h09mn 42s
Objet : Re: [Discuss-gnuradio] Radar receiver

On Fri, Jun 6, 2008 at 4:02 AM, Naoufel Amri <address@hidden> wrote:

> Do you know if the receiver function of "usrp_radar_mono.py" is complete?
> If yes,where are the datas ,which are recovered by the receiver, store ? And
> how can I get them back?

The gr-radar-mono transceiver records, during the programmed range
gate, the raw echo returns in a complex baseband format.  You will
need to post-process these using your algorithm of choice.

Johnathan Corgan
Corgan Enterprises LLC

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