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Re: [Discuss-gnuradio] window sizing issue
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] window sizing issue |
Date: |
Fri, 16 Mar 2007 15:42:11 -0700 |
User-agent: |
Mutt/1.5.9i |
On Fri, Mar 16, 2007 at 06:29:42PM -0400, address@hidden wrote:
> Ok, I can accept that this device was not intended to be used as a
> calibrated measurement device, but maybe I can give it a shot. If I keep
> the decimation constant, and stabilize the temperature, what other
> considerations do I need to take into account (other than the obvious one,
> ie gain) for the basic am-demodulation routine I am using? Can I consider
> the FPGA as a "black box" and just calibrate the output vs the input at
> the physical connector?
>
> thanks,
> eric
Yes, you should be able to make this work.
You'll want to apply a known stimulus at several frequencies and
amplitudes, measure what you get for each of those, then determine
your calibration coefficients.
If you haven't already, I suggest reading up on "two-point calibration".
Eric
- [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/15
- Re: [Discuss-gnuradio] window sizing issue, Michael Dickens, 2007/03/15
- [Discuss-gnuradio] window sizing issue, Michael Dickens, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, Michael Dickens, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, Eric Blossom, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, Eric Blossom, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue,
Eric Blossom <=
- Re: [Discuss-gnuradio] window sizing issue, Matt Ettus, 2007/03/19
- Re: [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/16
- Re: [Discuss-gnuradio] window sizing issue, ematlis, 2007/03/19