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Re: [Discuss-gnuradio] Does GNUradio have an envelope detector block?
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] Does GNUradio have an envelope detector block? |
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Date: |
Thu, 28 Oct 2010 23:24:30 -0400 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 |
On 10/28/2010 10:50 PM, songsong gee wrote:
> Now I'm trying to build an ASK demodulator. I use GRC.
>
> However, I REALLY REALLY couldn't find an envelope detector.
>
> Does GNUradio have an envelope detector block?
>
> Or, do I have to make that one?
>
The RMS block will basically do what you want, you can play with the
alpha parameter to
give you control over the low-pass corner frequency of the envelope
detection.
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org