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Re: [Discuss-gnuradio] accumulate spectrum

From: madengr
Subject: Re: [Discuss-gnuradio] accumulate spectrum
Date: Tue, 31 May 2016 05:50:34 -0700 (MST)

But the throttle should roughly slow it down to a real-time rate.  The top
half of my grc file updates about 1 spectrum/second via a throttle, and
writes those vectors to disk.  If I read back the the file also through a
throttle, it should have about the same rate, but it's much slower.  Note to
disable the top half when running the bottom half.

Marcus Müller-3 wrote
> Furthermore, and this also is something very often misunderstood, throttle
> doesn't do anything with the samples. Really! It only copies them from in-
> to output. Nothing changes. And just as you can't tell the difference
> between a file that was downloaded with a fast internet connection and the
> same file downloaded through the slowest connection on earth, the sample
> file doesn't contain any difference whether you've used throttle or not.
> GNU Radio works by trying to be the fastest signal processing "pipe"
> possible. Throttle is really just as if someone deliberately stepped on
> and of a hose just to regulate the average amount of stuff going through.

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