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Re: [Discuss-gnuradio] Some noodling
From: |
Johnathan Corgan |
Subject: |
Re: [Discuss-gnuradio] Some noodling |
Date: |
Wed, 20 Aug 2008 09:15:38 -0700 |
On Tue, Aug 19, 2008 at 2:00 PM, Marcus Leech <address@hidden> wrote:
> Controlling the switching function is no problem. But processing the
> samples as they come in has me a bit stumped,
> unless I write a custom-processing block.
This is your best bet.
> So, the input switches at some rate (a few Hz), which means that the samples
> sometimes represent the "sky", and
> sometimes represent the calibrator. I can tag the samples so that samples
> that come in during the time when
> the input is "sky" will be positive, and those that come in during
> "calibration" will be negative.
It's pretty straightforward to write a new block that only passes
positive samples (or negative, depending on a constructor parameter.)
Then you'd attach two of these to the output of your usrp block and
you'll have the two streams you need.
--
Johnathan Corgan
Corgan Enterprises LLC
http://corganenterprises.com/