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From: | Sebastian Döring |
Subject: | Re: [Discuss-gnuradio] Architecture of *_rx_cfile.py output vector |
Date: | Tue, 29 Nov 2011 17:12:15 +0100 |
On Mon, 28 Nov 2011 10:32:28 -0500 "Marcus D. Leech" <address@hidden> wrote:
On 28-11-2011 10:21 AM, Sebastian Döring wrote:It's just raw complex-float samples in native-binary format.Hello List,just wanted to know exactly how the output vector of ..._rx_cfile.py is structured. Is the first element of the complex vector v[0] the one at the desired frequency sprecified by "-f FREQ"?Thanks Sebastian 'The first item is I the second is Q then I then Q, etc. They're time-series samples, not FFT outputs.
Uh ok - explains a lot...Since the data is getting recorded as 32-bit complex float, is "read_complex_binary()" the right octave method to put it into a vector I can use for further processing? I found a gnuradio page that says "read_short_binary()" is supposed to be the right method, but the output vector does not make any sense to me...
Regards Sebastian
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