[hpsdr] large FFT code added to Metis-enabled PowerSDR code

[David McQuate]

Very nice!  Marvelously low noise floor, and great spectral resolution!
Dave
wa8ywq

On 3/7/2011 8:05 PM, w3sz wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I added my code for large FFTs [up to 262144] to Bill KD5TFD's 
> Metis-enabled PowerSDR code.
> I reworked my code a little bit while adding it to the new PowerSDR.  
> Other than the obvious fact that this code works with Metis, the major 
> visible improvements from my old code are:
>
> 1.  can now change FFT size on the fly with no problems
> 2.  code now maintains constant level for noise floor when changing 
> FFT sizes
> 3.  3 waterfall palettes now available: standard, Linrad, and 
> auto-leveling Linrad
>
> There is also some cleaning up of my old code 'under the hood'.
>
> The code [both source and binaries] is at:
>
> http://www.nitehawk.com/w3sz/HPSDR-PowerSDR-Metis-W3SZ.zip
>
> The zipped file is large, approx 98.5 MB
>
> Enjoy!
>


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