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[Discuss-gnuradio] Re: uses gr.file_sink 32 bit or 64 bit

From: Markus Feldmann
Subject: [Discuss-gnuradio] Re: uses gr.file_sink 32 bit or 64 bit
Date: Thu, 26 Mar 2009 22:56:20 +0100
User-agent: Mozilla-Thunderbird (X11/20090103)

Eric Blossom schrieb:
On Thu, Mar 26, 2009 at 07:32:09AM -0700, Johnathan Corgan wrote:
On Thu, Mar 26, 2009 at 4:12 AM, feldmaus <address@hidden> wrote:

i want to save some output from the usrp and watch it with octave.
The usrp.source_c(...) block generates IQ data as pairs of 32-bit
floating point values.

Or to avoid any confustion about how many samples are getting
generated, I think it's easier to think that it generates samples that
are of type std::complex<float>.

Thanks for your posts,

so if i really want to plot this data
in octave i have to collect every 32bit samples ?

If i only plot the vector containnig the float samples:
plot([real(c(t)), imag(c(t))])
i got for the beginning,

And if i do,
plot([real(c(t)), imag(c(t))])

Regards Markus

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